Sonic Drive-In

441 N Placentia Ave, Fullerton
(714) 223-1415

Recent Reviews Order Online

Customers' Favorites

Hand Made Onion Rings
Chili Cheese Fries
Chili Cheese Tots
Mozzarella Sticks
Strawberry Shake
Blue Raspberry
Grilled Cheese
Popcorn Chicken
Butterfinger
Cheeseburger

Menu

Featured items
SONIC Blasts®
Candy and cookie pieces and Real Ice Cream the way they should be. All mixed up.
Mozzarella Sticks
Crispy on the outside, gooey on the inside. Melty, real mozzarella cheese, breaded and fried to perfection. Dunking in a side dipping cup of creamy marinara sauce is a must. ***Please choose your dipping sauce preference below.
Quarter Pound Double Cheeseburger
A classic American icon made with Sonic style. Two 100% pure beef jr. hamburgers layered with two thick slices of melty American cheese, with ketchup, mustard and pickles.
Tots
Pop some of these crispy little potato pieces in your mouth and you'll never think of a spud the same way again.
Hand-Mixed Classic Shakes
Real Ice Cream hand-mixed with your favorite flavors into a thick, cold, creamy shake and finished with whipped topping and a cherry. The perfect treat or addition to your meal.
Jumbo Popcorn Chicken®
Enjoy a crispy snack, made with juicy all white meat. Spice it up with Signature Sauce.
Fries
Made from Whole Russet Potatoes, the new Natural-Cut, ‘skin-on' fry brings more crispy crunch to deliver an all new taste sensation.
Chili Cheese Fries
Crispy, golden brown sticks of potato goodness. Get 'em with your combo, or on their own smothered with warm, chili and cheese. But who are we to tell you how to eat?
Ched ‘R' Peppers®
It will be love at first bite. Spicy jalapenos filled with melty Cheddar cheese, breaded and fried to perfection. Cool it off with a side dipping cup of creamy Ranch dressing.
Footlong Quarter Pound Coney
Want something filling that's also a great deal? Try SONIC's Footlong Chili Cheese Coney. A grilled hot dog topped with warm chili and melty cheddar cheese served in a soft, warm bakery bun.
Pickle Fries
Dill pickles cut in a fry shape and fried to pickle perfection!
Chili Cheese Tots
Crispy, golden brown tots smothered with warm, chili and cheese. Get 'em with your combo or on their own!
French Toast Sticks
Three's a crowd, and four is a delicious bundle of breakfast delight. At least when it comes to our thick, golden French Toast Sticks complete with One maple-flavored syrup for dipping.
Garlic Butter Bacon Burger
Hand-Mixed Master Shakes
SONIC's classic shake made even more indulgent with premium flavors and ingredients, then finished with whipped topping and a cherry.
Onion Rings
There's really nothing better than SONIC's crispy, handmade onion rings
Crispy Chicken Tenders
Crispy-on-the-outside, juicy-on-the-inside, these all-white meat chicken tenders are packed with flavor. So, let's face it - sometimes it's what's on the outside that counts most! Made with extra crispiness for extra flavor, dip these in our NEW Signature Sauce or any of our other great dipping sauce options! Available in 3 or 5 pieces. ***Please choose your dipping sauce preference below.
Chili Cheese Coney
Want something filling that's also a great deal? Try SONIC's Premium Beef Chili Cheese Coney. A grilled beef hot dog topped with warm chili and melty cheddar cheese served in a soft, warm bakery bun.
SuperSONIC® Bacon Double Cheeseburger
Bacon makes everything better - especially when it's as good as our SuperSONIC® Double Cheeseburger. We start with two quarter-pound, 100% pure beef hamburgers, two melty slices of American cheese, lettuce, fresh sliced tomatoes, creamy mayo, and top it all off with crispy bacon.
All-American Dog
Take a bite out of Americana with SONIC's Premium Beef All-American Dog. It's a beef hot dog made with 100% pure beef that's grilled to perfection and topped with ketchup, yellow mustard, relish and chopped onions and served in a soft, warm bakery bun.

Featured
Pickle Fries
Dill pickles cut in a fry shape and fried to pickle perfection!
Chocolate Trick Or Treat Blast
Vanilla Trick Or Treat Blast
FRITOS® Chili Cheese Jr. Wrap

Combos
Jumbo Popcorn Chicken® Combo
Enjoy a crispy snack, or put together the perfect combo meal with our Jumbo Popcorn Chicken®, made with juicy all white meat. Even better with a Side and Drink included!
SuperSONIC® Bacon Double Cheeseburger Combo
Bacon makes everything better - especially when it's as good as our SuperSONIC® Double Cheeseburger. We start with two quarter-pound, 100% pure beef hamburgers, two melty slices of American cheese, lettuce, fresh sliced tomatoes, with mayo and top it all off with crispy bacon. Even better with a Side and Drink included!
SONIC® Cheeseburger Combo
What you see is what you get. A juicy, perfectly seasoned, quarter pound, 100% pure beef patty layered with melty American cheese, crisp, crinkle cut pickles, tangy ketchup, diced onions, creamy mayo, crisp lettuce, and hand sliced tomatoes on a golden, toasted bun. Straightforward and tasty, just the way it should be. Even better with a Side and Drink included!
Footlong Quarter Pound Coney Combo
Want something filling that's also a great deal? Try SONIC's Footlong Chili Cheese Coney. A grilled hot dog topped with warm chili and melty cheddar cheese served in a soft, warm bakery bun. Even better with a Side and Drink included!
SuperSONIC® Double Cheeseburger Combo
Double the SONIC® goodness with the SuperSONIC® Cheeseburger. Two juicy, perfectly seasoned, quarter pound, 100% pure beef patties that are layered with two slices of melty American cheese, crisp, crinkle cut pickles, tangy ketchup, diced onions, creamy mayo, crisp lettuce, and hand sliced tomatoes on a golden, toasted bun. Seeing double has never been tastier. Even better with a Side and Drink included!
Crispy Chicken Sandwich Combo
Lightly seasoned and breaded 100% all white meat chicken breast topped with fresh lettuce, ripe tomatoes and mayo; served on a warm Brioche bun. Even better with a Side and Drink included!
Garlic Butter Bacon Cheeseburger Combo
Chili Cheese Coney Combo
Want something filling that's also a great deal? Try SONIC's Premium Beef Chili Cheese Coney. A grilled beef hot dog topped with warm chili and melty cheddar cheese served in a soft, warm bakery bun. Even better with a Side and Drink included!
All-American Dog Combo
Take a bite out of Americana with SONIC's Premium Beef All-American Dog. It's a beef hot dog made with 100% pure beef that's grilled to perfection and topped with ketchup, yellow mustard, relish and chopped onions and served in a soft, warm bakery bun. Even better with a Side and Drink included!
Ultimate Meat & Cheese Breakfast Burrito™ Combo
Breakfast doesn't get better than the all-new Ultimate Meat & Cheese Breakfast Burrito™ with crispy bacon, savory sausage, golden tots, fluffy scrambled eggs and melty cheddar cheese, all wrapped in a warm flour tortilla. Even better with a Side and Drink included!
Bacon Breakfast Burrito Combo
Kick start your morning with the same SONIC goodness of a simple breakfast burrito. Scrambled eggs, melty cheddar cheese and crispy bacon, all wrapped up in a warm flour tortilla. Even better with a Side and Drink included!
Bacon Breakfast TOASTER® Combo
Behold – melty cheese, crispy bacon all stacked up on thick Texas Toast and served with fluffy eggs. Sounds like breakfast heaven if you ask us. Even better with a Side and Drink included!
French Toast Sticks Combo
Three's a crowd, and four is a delicious bundle of breakfast delight. At least when it comes to our thick, golden French Toast Sticks complete with One maple-flavored syrup for dipping. Drink Included!
SuperSONIC® Breakfast Burrito Combo
Let the big flavor of the SuperSONIC® Breakfast Burrito get you out of bed. A medley of savory sausage, fluffy scrambled eggs, melty cheddar cheese, golden tots, diced onions, ripe tomatoes and spicy jalapeños all wrapped up in a warm flour tortilla. It'll sing to your taste buds. Which, if you ask us, is a pretty cool way to start your morning. Even better with a Side and Drink included!
Sausage Breakfast Burrito Combo
Kick start your morning with the same SONIC goodness of a simple breakfast burrito. Scrambled eggs, melty cheddar cheese and savory sausage, all wrapped up in a warm flour tortilla. Even better with a Side and Drink included!
Sausage Breakfast TOASTER® Combo
Behold – melty cheese, your choice of savory sausage, crispy bacon or delicious ham, all stacked up on thick Texas Toast and served with fluffy eggs. Sounds like breakfast heaven if you ask us. Even better with a Side and Drink included!
Hickory BBQ Cheeseburger Combo

Ultimate Drink Stop
Famous Slushes
So good, they're famous. That's probably all you need to know. Oh, and they're only at SONIC.
Soft Drinks
More options of cold, bubbly refreshments with your choice of flavor add-ins, all served over our famous SONIC ice.
Limeades and Lemonades
Tangy and sweet limeade with your choice of some favorite SONIC® flavors – all made with fresh fruit and all signature to Sonic.
Real Fruit Slushes
SONIC's craveable, icy slush made more delicious with real fruit!
Twisted Lime Recharger
Cup of SONIC® Ice
World Famous SONIC® Crushed Ice
Iced Tea
Your destination for everything iced tea!
French Vanilla Cold Brew Iced Coffee
SONIC's smooth iced coffee poured over SONIC® ice, vanilla flavor and sweet cream.
Minute Maid® 100%25 Apple Juice Box
Get the best of both worlds with MINUTE MAID® 100% Apple Juice. It's good and good for you.
Milk Jug (1%25) - White
It's good. Good for you. And tastes like milk. What's not to love? Ultra-Pasteurized and the perfect cold and creamy addition to any Combo or Wacky Pack® meal. 8 FL OZ (236 mL)
Green Mountain Coffee Roasters® Coffee
Green Mountain Coffee Roasters® Coffee is now available at SONIC, made exclusively from 100 percent Arabica beans and brewed to perfection.
Blood Orange Recharger
Dragon Fruit Recharger
Red Bull Energy Drink

Burgers
Quarter Pound Double Cheeseburger
A classic American icon made with Sonic style. Two 100% pure beef jr. hamburgers layered with two thick slices of melty American cheese, with ketchup, mustard and pickles.
SONIC® Cheeseburger
What you see is what you get. Melty American cheese, crinkle-cut pickles, chopped onions, fresh shredded lettuce & ripe tomatoes on a perfectly seasoned, 100% pure beef patty. Straightforward and tasty, just the way it should be.
SuperSONIC® Bacon Double Cheeseburger
Bacon makes everything better - especially when it's as good as our SuperSONIC® Double Cheeseburger. We start with two quarter-pound, 100% pure beef hamburgers, two melty slices of American cheese, lettuce, fresh sliced tomatoes, creamy mayo, and top it all off with crispy bacon.
Plain SONIC Cheeseburger
The Plain SONIC Cheeseburger is a juicy 100% pure beef patty and melty American cheese.
SuperSONIC® Double Cheeseburger
Double the SONIC® goodness with the SuperSONIC® Cheeseburger. Two juicy, perfectly seasoned, quarter pound, 100% pure beef patties that are layered with two slices of melty American cheese, crisp, crinkle cut pickles, tangy ketchup, diced onions, creamy mayo, crisp lettuce, and hand sliced tomatoes on a golden, toasted bun. Seeing double has never been tastier.
Garlic Butter Bacon Burger
Hickory BBQ Cheeseburger

Chicken
Jumbo Popcorn Chicken®
Enjoy a crispy snack, made with juicy all white meat. Spice it up with Signature Sauce.
Crispy Chicken Tenders
Crispy-on-the-outside, juicy-on-the-inside, these all-white meat chicken tenders are packed with flavor. So, let's face it - sometimes it's what's on the outside that counts most! Made with extra crispiness for extra flavor, dip these in our NEW Signature Sauce or any of our other great dipping sauce options! Available in 3 or 5 pieces. ***Please choose your dipping sauce preference below.
Chicken Slinger
Get the flavor you crave with this chicken sandwich! Made with juicy 100% all-white meat chicken, crink-cut pickles and creamy mayonnaise all served on a warm brioche bun.
Crispy Chicken Sandwich
Lightly seasoned and breaded 100% all white meat chicken breast topped with fresh lettuce, ripe tomatoes and your choice of mustard, mayo or ketchup, served on a warm Brioche bun.
Crispy Tenders Dinner
100% all-white meat chicken tenders are crispy and packed with flavor. Enjoy them by themself, or pair them with SONIC's great dipping sauce options.

Hot Dogs
Corn Dog
Simple food at its finest. A delicious hot dog surrounded in sweet corn batter and fried to a crispy golden brown. It's like hot dog utopia on a stick.
Footlong Quarter Pound Coney
Want something filling that's also a great deal? Try SONIC's Footlong Chili Cheese Coney. A grilled hot dog topped with warm chili and melty cheddar cheese served in a soft, warm bakery bun.
Chili Cheese Coney
Want something filling that's also a great deal? Try SONIC's Premium Beef Chili Cheese Coney. A grilled beef hot dog topped with warm chili and melty cheddar cheese served in a soft, warm bakery bun.
All-American Dog
Take a bite out of Americana with SONIC's Premium Beef All-American Dog. It's a beef hot dog made with 100% pure beef that's grilled to perfection and topped with ketchup, yellow mustard, relish and chopped onions and served in a soft, warm bakery bun.

Kids' Meals
Wacky Pack® Chicken Strips
A kid-friendly finger food. Two crispy-on-the-outside, juicy-on-the-inside all white meat chicken strips. Dip them in sauce or eat them plain. They're good either way. Includes Kid Sized Drink & Side Item, plus a Fun Toy.
Wacky Pack® Corn Dog
Simple food at its finest. A delicious hot dog surrounded in sweet corn batter and fried to a crispy golden brown. Try it with some mustard or ketchup if you want. It's like a hot dog utopia on a stick. Includes Kid Sized Drink & Side Item, plus a Fun Toy.
Wacky Pack® Grill Cheese Sandwich
The delicious cheesy concoction all kids know and love. Two thick slices of Texas Toast with classic melted American cheese. Includes Kid Sized Drink & Side Item, plus a Fun Toy.
Wacky Pack® 100%25 Beef Hot Dog
Take a bite out of Americana with SONIC's Premium Beef Hot Dog. It's made with 100% pure beef that's grilled to perfection and served in a soft, warm bakery bun. Includes Kid Sized Drink & Side Item, plus a Fun Toy.
Wacky Pack® Jr Burger
A juicy, 100% pure beef patty, and crinkle-cut pickles with your choice of mustard, mayo or ketchup. Includes Kid Sized Drink & Side Item, plus a Fun Toy.

All Day Breakfast
French Toast Sticks
Three's a crowd, and four is a delicious bundle of breakfast delight. At least when it comes to our thick, golden French Toast Sticks complete with One maple-flavored syrup for dipping.
Ultimate Meat & Cheese Breakfast Burrito™
Breakfast doesn't get better than the all-new Ultimate Meat & Cheese Breakfast Burrito™ with crispy bacon, savory sausage, golden tots, fluffy scrambled eggs and melty cheddar cheese, all wrapped in a warm flour tortilla.
SuperSONIC® Breakfast Burrito
Let the big flavor of the SuperSONIC® Breakfast Burrito get you out of bed. A medley of savory sausage, fluffy scrambled eggs, melty cheddar cheese, golden tots, diced onions, ripe tomatoes and spicy jalapeños all wrapped up in a warm flour tortilla. It'll sing to your taste buds. Which, if you ask us, is a pretty cool way to start your morning.
French Vanilla Cold Brew Iced Coffee
SONIC's smooth iced coffee poured over SONIC® ice, vanilla flavor and sweet cream.
Bacon Breakfast Burrito
Kick start your morning with the same SONIC goodness of a simple breakfast burrito. Scrambled eggs, melty cheddar cheese and crispy bacon, all wrapped up in a warm flour tortilla.
Jr. Bacon, Egg and Cheese Breakfast Burrito
Bacon, eggs and cheese, oh my! The Jr. Breakfast Burrito is packed with savory sausage, fluffy eggs and melty cheese, and all wrapped up in a warm flour tortilla. Value tastes good, doesn't it?
Sausage Breakfast Burrito
Kick start your morning with the same SONIC goodness of a simple breakfast burrito. Scrambled eggs, melty cheddar cheese and savory sausage, all wrapped up in a warm flour tortilla.
Sausage Breakfast TOASTER®
Behold – melty cheese, your choice of savory sausage, crispy bacon or delicious ham, all stacked up on thick Texas Toast and served with fluffy eggs. Sounds like breakfast heaven if you ask us.
Jr. Sausage, Egg and Cheese Breakfast Burrito
Sausage, eggs and cheese, oh my! The Jr. Breakfast Burrito is packed with savory sausage, fluffy eggs and melty cheese, and all wrapped up in a warm flour tortilla. Value tastes good, doesn't it?
Bacon Breakfast TOASTER®
Behold – melty cheese, crispy bacon all stacked up on thick Texas Toast and served with fluffy eggs. Sounds like breakfast heaven if you ask us.
Green Mountain Coffee Roasters® Coffee
Green Mountain Coffee Roasters® Coffee is now available at SONIC, made exclusively from 100 percent Arabica beans and brewed to perfection.

Snacks & Sides
Mozzarella Sticks
Crispy on the outside, gooey on the inside. Melty, real mozzarella cheese, breaded and fried to perfection. Dunking in a side dipping cup of creamy marinara sauce is a must. ***Please choose your dipping sauce preference below.
Soft Pretzel Twist
A soft pretzel twisted into a tasty treat and served with One Signature Cheese Sauce!
Fries
Made from Whole Russet Potatoes, the new Natural-Cut, ‘skin-on' fry brings more crispy crunch to deliver an all new taste sensation.
Tots
Pop some of these crispy little potato pieces in your mouth and you'll never think of a spud the same way again.
Chili Cheese Fries
Crispy, golden brown sticks of potato goodness. Get 'em with your combo, or on their own smothered with warm, chili and cheese. But who are we to tell you how to eat?
Pickle Fries
Dill pickles cut in a fry shape and fried to pickle perfection!
Ched ‘R' Peppers®
It will be love at first bite. Spicy jalapenos filled with melty Cheddar cheese, breaded and fried to perfection. Cool it off with a side dipping cup of creamy Ranch dressing.
Chili Cheese Tots
Crispy, golden brown tots smothered with warm, chili and cheese. Get 'em with your combo or on their own!
Corn Dog
Simple food at its finest. A delicious hot dog surrounded in sweet corn batter and fried to a crispy golden brown. It's like hot dog utopia on a stick.
Cheese Tots
Crispy, golden brown tots smothered with warm American cheese. Get 'em with your combo or on their own!
Jumbo Popcorn Chicken®
Enjoy a crispy snack, made with juicy all white meat. Spice it up with Signature Sauce.
Onion Rings
There's really nothing better than SONIC's crispy, handmade onion rings
Cheese Fries
Crispy, golden brown sticks of potato goodness with cheese.
FRITOS® Chili Cheese Jr. Wrap

Frozen Zone
SONIC Blasts®
Candy and cookie pieces and Real Ice Cream the way they should be. All mixed up.
Hand-Mixed Classic Shakes
Real Ice Cream hand-mixed with your favorite flavors into a thick, cold, creamy shake and finished with whipped topping and a cherry. The perfect treat or addition to your meal.
Chocolate Trick Or Treat Blast
Hand-Mixed Master Shakes
SONIC's classic shake made even more indulgent with premium flavors and ingredients, then finished with whipped topping and a cherry.
Hot Fudge Sundae
Our Hot Fudge Sundaes start with creamy, real vanilla ice cream swirled together with hot fudge, and finished with whipped topping and a cherry.
Ice Cream Dish
Creamy, real vanilla ice cream served in a dish.
Strawberry Sundae
Strawberry Sundaes start with creamy, real vanilla ice cream swirled together with strawberry and finished with whipped topping and a cherry.
Caramel Sundae
Caramel Sundaes start with creamy, real vanilla ice cream swirled together with caramel and finished with whipped topping and a cherry.
Vanilla Trick Or Treat Blast

Everyday Deals
Quarter Pound Double Cheeseburger
A classic American icon made with Sonic style. Two 100% pure beef jr. hamburgers layered with two thick slices of melty American cheese, with ketchup, mustard and pickles.
Jr. Sausage, Egg and Cheese Breakfast Burrito
Sausage, eggs and cheese, oh my! The Jr. Breakfast Burrito is packed with savory sausage, fluffy eggs and melty cheese, and all wrapped up in a warm flour tortilla. Value tastes good, doesn't it?
Jr. Bacon, Egg and Cheese Breakfast Burrito
Bacon, eggs and cheese, oh my! The Jr. Breakfast Burrito is packed with savory sausage, fluffy eggs and melty cheese, and all wrapped up in a warm flour tortilla. Value tastes good, doesn't it?
Grilled Cheese
The delicious cheesy concoction all kids (and big kids) know and love. Two thick slices of Texas Toast with classic melted American cheese.

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Recent Reviews

I make the rounds to all of the Sonics here in Orange County because I love their real fruit slushes. If you use the app a medium is less than three bucks. It's one love out of my many that I can afford.
March 2025
Everyday is a Cherry limeade day in Fullerton. There are no truer words. I live for Cherry limeade. My blood is Cherry limeade. My existence is only for the limeade. Thank you sonic for fueling my addiction.
The only criticisms I have to say is that the mozzarella sticks could use some work.
That’s is all thank you for your limeade service.
January 2025
This Sonics is awesome! Every time I go (almost every day on my way home from work) I alway order the 44 oz Blackberry Slush. Thats the flavor Im stuck on right now! I've never had a bad experience here and all of the employee's I've encountered have been nothing but polite and friendly. Infact I've never been greeted with anything but smiles! This place and everyone who works there are the best! Alexis is one of the guys who works the cash register... and...
August 2024

More Reviews

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Sonic Drive-In

441 N Placentia Ave, Fullerton, CA 92831
(714) 223-1415