Sonic Milkshakes: 2026 Prices, Flavors, Deals & Customizer
Sonic Drive-In serves hand-mixed milkshakes crafted with 100% Real Ice Cream soft serve and signature mix-ins, crowned with whipped topping and a maraschino cherry. Single prices range from $3.39 for a Mini Classic Shake up to $6.59 for a Large Master Shake®, spanning 360 to 1,480 calories across four official drive-in cup sizes.
OREO® Cheesecake Master Shake
940 CalReal OREO® cookie crumbles and rich graham cheesecake flavor hand-mixed into 100% Real Ice Cream.
Explore All 12 Sonic Milkshakes & Prices
Every Sonic milkshake is hand-mixed with 100% Real Ice Cream soft serve and signature flavor mix-ins. Select any cup size below to instantly view exact calories, published Fall 2026 prices, and full FDA nutrition facts.
Banana Shake
750 Cal (Medium)Fresh sliced banana hand-mixed with 100% Real Ice Cream soft serve, topped with whipped topping and a maraschino cherry.
Caramel Shake
730 Cal (Medium)Sweet golden caramel syrup hand-mixed with 100% Real Ice Cream, topped with whipped topping and a cherry.
Chocolate Shake
720 Cal (Medium)Rich cocoa chocolate syrup hand-mixed with creamy 100% Real Ice Cream, whipped topping, and a maraschino cherry.
Hot Fudge Shake
780 Cal (Medium)Warm, velvety dark hot fudge sauce blended into 100% Real Ice Cream, crowned with whipped topping and a stem cherry.
Peanut Butter Shake
840 Cal (Medium)Creamy roasted peanut butter blended with 100% Real Ice Cream, finished with a generous swirl of whipped topping.
Strawberry Shake
690 Cal (Medium)Real sweet strawberries in fruit syrup hand-mixed with 100% Real Ice Cream, whipped topping, and a cherry.
Vanilla Shake
710 Cal (Medium)Sonic’s signature pure 100% Real Ice Cream soft serve hand-mixed with pure vanilla flavor, topped with whipped topping and cherry.
Cheesecake Master Shake
750 Cal (Medium)Velvety cheesecake flavoring and buttery graham cracker crust crumbles hand-mixed with 100% Real Ice Cream.
OREO® Cheesecake Master Shake
940 Cal (Medium)Real OREO® cookie crumbles and rich graham cheesecake flavor hand-mixed into 100% Real Ice Cream.
OREO® Chocolate Master Shake
910 Cal (Medium)Real OREO® cookie pieces and rich chocolate sauce blended with 100% Real Ice Cream, whipped topping, and cherry.
OREO® Peanut Butter Master Shake
1030 Cal (Medium)Roasted peanut butter and crunchy OREO® cookie crumbles hand-mixed with 100% Real Ice Cream.
Strawberry Cheesecake Master Shake
790 Cal (Medium)Real sweet strawberries, graham cracker crust crumbs, and cheesecake flavor hand-mixed into 100% Real Ice Cream.
Sonic Milkshake Sizes: Ounces, Calories & Prices
Sonic serves shakes in four cup sizes from 10 to 32 fluid ounces. Compare volume, calorie ranges, and price-per-ounce value to select the ideal size for your appetite and budget.
Medium Cup Breakdown (20 fl oz)
20 oz cup delivering maximum price-per-ounce efficiency and our most popular drive-in order size.
Want more than shakes? compare calories across the full Sonic menu.
Sonic Half-Price Shakes & App Deals (2026 Guide)
Verified breakdown of Sonic's half-price shake promotions, digital app coupons, and seasonal late-night discount windows.
Sonic App Rewards
Active 2026Download the official Sonic Drive-In App to access frequent digital coupons for 50% off any Hand-Mixed Shake. Sonic routinely drops shake discount codes in the "Rewards" tab on select weekdays and holiday weekends.
- Valid on both Classic & Master Shakes
- Order ahead to skip carhop drive-in lines
Sonic Nights (After 8 PM)
Summer PromoHistorically called Sonic Nights, Sonic frequently launches seasonal late-night campaigns where all shakes drop to half-price daily after 7:00 PM or 8:00 PM throughout late spring and summer months at participating locations.
- Applies automatically at drive-in speakers
- Participating franchise locations vary
Happy Hour Clarification
Important TipSonic's famous afternoon Happy Hour (2:00 PM to 4:00 PM) covers slushes, iced teas, and fountain drinks, not real ice cream milkshakes. However, ordering through the mobile app earns reward points redeemable for free desserts.
- Earn 10 points per \$1 spent via the app
- Free birthday shake treats in reward inbox
Sonic Milkshake Price Matrix: Regular vs. Half-Price (50% Off)
Exact expected drive-in pricing by size during active 50% promotional windows.
| Size | Volume | Classic Shake Regular | Classic (50% Off) | Master Shake Regular | Master (50% Off) | Value Tip |
|---|---|---|---|---|---|---|
| Mini | 10 fl oz | $3.39 | $1.70 | $3.69 | $1.84 | Lowest Out-of-Pocket |
| Small | 14 fl oz | $4.39 | $2.19 | $4.79 | $2.40 | Balanced Quick Treat |
| Medium | 20 fl oz | $4.99 | $2.50 | $5.49 | $2.75 | ⭐ Best Volume Per Dollar |
| Large | 32 fl oz | $6.19 | $3.10 | $6.59 | $3.29 | Huge 32 oz for under $3.30 |
Pro Tip: Customize Shakes During Half-Price Promos for Maximum Value
During active 50% promotions, the half-price discount applies to the shake base. Add-on mix-ins like real malted barley powder (+\$0.59), extra hot fudge (+\$0.69), or sliced fresh bananas (+\$0.59) remain at their regular nominal cost. This lets you build a gourmet diner-style creation for less than the normal cost of an unadorned small shake!
Sonic Milkshake vs. SONIC Blast®: What’s the Difference?
While both treats are crafted with Sonic’s 100% Real Ice Cream soft serve, their preparation, texture, mix-ins, and eating experience are completely different. Prefer a cone or sundae? See the Sonic ice cream and sundae menu.
Sonic Hand-Mixed Shake
Velvety, hand-mixed Real Ice Cream soft serve blended with rich flavor syrups to achieve a smooth, sippable diner consistency.
- How it’s consumed: Drunk through a signature red straw.
- Garnish: Fluffy whipped topping + stem maraschino cherry.
- Mix-in style: Purees and syrups blended completely uniform.
SONIC Blast®
Dense, spoon-thick Real Ice Cream churned directly with heavy loads of candy bars and cookie chunks.
- How it’s consumed: Eaten exclusively with a long spoon.
- Garnish: Heavy mound of matching candy chunks on top.
- Mix-in style: Crunchy, solid whole pieces layered throughout.
| Feature | Sonic Milkshake | SONIC Blast® |
|---|---|---|
| Primary Texture & Thickness | Thick yet drinkable through a wide red straw; hand-mixed with real ice cream soft serve and flavor syrups. | Dense and spoon-thick; 100% solid soft-serve spun with mix-ins; eaten exclusively with a long red spoon. |
| Mix-In Integration | Syrups, fruit purees, and malt are smoothly blended throughout the shake for uniform flavor sip-to-sip. | Whole and crushed candy chunks (OREO, REESE'S, HEATH) layered from top to bottom for intense crunch. |
| Topping Presentation | Always crowned with a swirl of whipped topping and Sonic's signature maraschino stem cherry. | Topped with a generous mound of matching candy/cookie crumbles; whipped cream is optional or absent. |
| Average Calorie Range (Medium) | 690 to 1,030 Calories depending on Classic vs Master flavor profiles. | 850 to 1,300 Calories due to the higher volume of solid candy and peanut butter cup chunks. |
| Price Range (Medium) | $4.99 (Classic) to $5.49 (Master) | $5.69 to $6.29 (higher baseline due to premium name-brand candy inclusions) |
Sonic Milkshake Meal Customizer
Select any of the 12 base shakes, pick a cup size, add malt, fruit, or candy mix-ins, and toggle whipped cream to calculate exact nutrition and estimated price.
*Calculated based on official Sonic Fall 2026 National Nutrition Guide. Individual drive-in pricing may vary.
Sonic Secret Menu Milkshake Hacks & Custom Blends
Sonic hand-mixes every shake to order, allowing customers to customize syrups, real fruit, candies, and malt powder. Below are four proven secret menu flavor combinations with exact ordering scripts.
The Neapolitan Shake
Three-layer profile combining cocoa syrup, vanilla soft serve, and strawberry compote.
“Ask for a Vanilla Shake blended with half Chocolate Syrup and half Real Strawberry fruit compote.”
Chocolate Peanut Butter Banana Shake
Combination of roasted peanut butter, dark hot fudge, and fresh sliced banana.
“Order a Peanut Butter Classic Shake, then add hot fudge sauce and real fresh sliced banana.”
Cookie Butter Crunch Shake
Cheesecake soft serve base layered with caramel drizzle and graham cracker crumbs.
“Request a Cheesecake Master Shake blended with caramel drizzle and extra graham cracker crust crumbs.”
Chocolate-Covered Strawberry Malt
Old-fashioned malted barley powder paired with strawberry puree and hot fudge sauce.
“Order a Strawberry Classic Shake, add real malt powder and hot fudge drizzle inside the cup.”
How to Order Sonic Secret Menu Items Successfully
Never just ask for a “Neapolitan Shake” or “Cookie Butter Crunch” by name, as carhops and line cooks do not have buttons with these exact titles on their point-of-sale screens. Instead, order the base shake first, then kindly ask to add the specific mix-ins or syrups. In the official Sonic Mobile App, you can achieve the exact same customization by tapping “Customize” on any shake and selecting additional syrup pumps or candy fold-ins.
Sonic Milkshake Allergens, Caffeine & Health Insights
Sonic Drive-In prepares real ice cream desserts in fast-paced commercial kitchens with shared equipment. Review the verified allergen matrix, caffeine quantities, and practical ordering tips before pulling into a stall. Filter any item by allergen in the Sonic allergen menu.
Milk & Dairy
Present in ALL ShakesAll Sonic Classic and Master Shakes are prepared using 100% Real Dairy Soft Serve Ice Cream and topped with whipped topping. Sonic does not currently offer a dairy-free, oat milk, or vegan shake base.
Peanuts & Tree Nuts
High Cross-Contact RiskPeanut butter is used in the Peanut Butter Classic Shake and OREO® Peanut Butter Master Shake. Because all shakes are blended using shared machines and spindles, severe peanut allergies carry high risk.
Wheat & Gluten
Select Flavors OnlyShakes containing baked goods (OREO® cookies, graham cracker crust in Cheesecake Master Shakes) contain wheat flour. Additionally, ordering any shake as a "Malt" adds malted barley powder which contains gluten.
Soy & Eggs
Present in Syrups & InclusionsSoy lecithin is commonly present in chocolate syrups and confectionery toppings. Egg ingredients are present in cheesecake pastry bases and select bakery mix-in crumbles.
Flavor-by-Flavor Shake Allergen & Caffeine Breakdown
Verified from Sonic Drive-In official nutrition & allergen documentation.
| Shake Flavor | Category | Milk | Wheat | Peanuts | Soy | Caffeine (Med) |
|---|---|---|---|---|---|---|
| Banana Shake | Classic | Yes | No | No | No | 0 mg |
| Caramel Shake | Classic | Yes | No | No | No | 0 mg |
| Chocolate Shake | Classic | Yes | No | No | Yes | ~15 mg |
| Hot Fudge Shake | Classic | Yes | No | No | Yes | ~15 mg |
| Peanut Butter Shake | Classic | Yes | No | Yes | No | 0 mg |
| Strawberry Shake | Classic | Yes | No | No | No | 0 mg |
| Vanilla Shake | Classic | Yes | No | No | No | 0 mg |
| Cheesecake Master Shake | Master | Yes | Yes | No | Yes | 0 mg |
| OREO® Cheesecake Master Shake | Master | Yes | Yes | No | Yes | ~5 mg |
| OREO® Chocolate Master Shake | Master | Yes | Yes | No | Yes | ~15 mg |
| OREO® Peanut Butter Master Shake | Master | Yes | Yes | Yes | Yes | ~5 mg |
| Strawberry Cheesecake Master Shake | Master | Yes | Yes | No | Yes | 0 mg |
Lighter Shake Ordering Strategies
- Opt for the Mini Size (10 oz): Cuts calories down to 360–530 Cal compared to 1,000+ Cal in large sizes while still delivering the full rich dessert experience.
- Skip Whipped Cream & Cherry: Requesting “no whip and no cherry” trims roughly 60 calories and 4.5g of fat instantly.
- Choose Fruit-Based Classics: Fresh Banana and Strawberry Classic Shakes offer lower baseline caloric density than heavy peanut butter or cheesecake blends.
Cross-Contact & Kitchen Notice
Sonic Drive-In operates commercial open kitchens. All milkshakes and Blasts are mixed using high-speed spinning spindles that are rinsed between orders, but not completely sterilized against microscopic allergens.
Guests with severe or life-threatening airborne or contact allergies to peanuts, tree nuts, or dairy should notify carhop staff immediately, though absolute zero-cross-contact cannot be guaranteed by Sonic.
Sonic Drive-In Milkshakes FAQ (2026)
Direct answers on Sonic milkshake pricing, cup sizes, nutrition, half-price app promotions, and ingredient customizations.
Sonic offers 12 core hand-mixed milkshakes split into two categories. Hand-Mixed Classic Shakes include Vanilla, Chocolate, Strawberry, Fresh Banana, Caramel, Hot Fudge, and Peanut Butter. Hand-Mixed Master Shakes® feature decadent bakery blends: Cheesecake, Strawberry Cheesecake, OREO® Cheesecake, OREO® Chocolate, and OREO® Peanut Butter. Seasonal rotating flavors (such as Banana Pudding) also appear during limited-time promotions.
Explore More Sonic Menus & Pairing Guides
Pair your hand-mixed milkshake with savory sides, discover drive-in drinks, or track exact meal macros.
Sonic Desserts, Blasts & Sundaes
Explore all Sonic sweet treats including sundaes, dishes, and ice cream floats.
Sonic Drinks & Slushes
Calories, flavor combos, and happy hour pricing across all cold beverages.
Sonic Nutrition Facts & Calories
Calories, carbs, protein and sodium for every Sonic menu item.
Sonic Corn Dog Menu & Deals
Check $0.50 Halloween deals, calories, and pork & turkey ingredients.
Prices displayed on Sonic Menu are independent estimates based on typical US drive-in retail benchmarks, not live prices from any single restaurant. Exact menu prices, combo meal promotions, and product availability vary by independent franchise location, drive-in stall vs. drive-thru, and delivery service app markups (DoorDash, Uber Eats, Grubhub).