Sonic Drive-In vs Whataburger (2026)
Side-by-side comparison of menu prices, calories, and value. 92 items at Sonic Drive-In vs 85 items at Whataburger.
Quick answer: As of April 2026, Sonic Drive-In averages $3.28 per item across 92 menu items, while Whataburger averages $3.88 across 85 items. Sonic Drive-In is $0.61 cheaper per item (16% difference). Whataburger has lower average calories (560 vs 578 per item).
Quick Comparison
| Metric | Sonic Drive-In | Whataburger | Winner |
|---|---|---|---|
| Avg Price | $3.28 | $3.88 | Sonic Drive-In |
| Menu Items | 92 | 85 | Sonic Drive-In |
| Avg Calories | 578 | 560 | Whataburger |
| US Locations | 3,519 | 1,030 | Sonic Drive-In |
| Secret Menu | 7 | 7 | Tie |
Sonic Drive-In is 16% cheaper on average than Whataburger ($0.61 less per item).
Cheapest Items
Sonic Drive-In
Whataburger
Lowest Calorie Options
Sonic Drive-In
Whataburger
Deep Comparison: Sonic Drive-In vs Whataburger
Calorie Value (cents per calorie)
Sonic Drive-In delivers 0.86¢/cal on average, while Whataburger delivers 1.14¢/cal. Sonic Drive-In gives more calories per dollar — a key metric for value-per-meal seekers.
Menu Category Overlap
Sonic Drive-In and Whataburger share 1 menu categories (4% Jaccard overlap). Shared categories: sides. Low overlap — these chains serve mostly different food categories.
Price Differences by Shared Category
Where these chains overlap, here is who undercuts whom on average price:
- sides: Sonic Drive-In avg $1.73 vs Whataburger $1.81 — Sonic Drive-In is 4% cheaper
What Fits in Your Budget
- $10 budget: Sonic Drive-In fits 3 items (320 cal), Whataburger fits 3 items (35 cal)
- $15 budget: Sonic Drive-In fits 3 items (1790 cal), Whataburger fits 3 items (1395 cal)
- $20 budget: Sonic Drive-In fits 3 items (2090 cal), Whataburger fits 3 items (2495 cal)
Where They Rank in Our 414-Chain Dataset
Sonic Drive-In ranks #18 of 414 on price (cheaper than 96% of tracked chains). Whataburger ranks #36 of 414 (cheaper than 92% of chains).
Calorie Distribution (items under 500 cal)
At Sonic Drive-In, 46% of menu items with calorie data come in under 500 calories. At Whataburger, 49% are under 500 calories. Whataburger offers more lower-calorie options proportionally.
Bottom Line
- Budget pick: Sonic Drive-In ($3.28 avg vs $3.88)
- More variety: Sonic Drive-In (92 items)
- More locations: Sonic Drive-In (3,519 US locations)
- Best calorie value: Sonic Drive-In (0.86¢/cal)