Drinks · Updated 2026-08-01
Sonic Mello Yello, 2026
Price, calories, and what it actually costs at 216 drive-ins across 14 states.
How much is the Sonic Mello Yello, and how many calories?
The Sonic Mello Yello (medium) costs $2.69 at a typical drive-in and has 190 calories. Every Sonic is franchised and sets its own price, so it runs from $1.20 to $3.89 depending on which drive-in you pull into. It is sold at 216 Sonics.
From the real menu price at 216 drive-ins, refreshed 2026-08-01.
Price & Details
- Typical price, medium
- $2.69
- Calories
- 190
- Price range
- $1.20 to $3.89
- Most common price
- $2.49 (21% of stores)
- Calories per dollar
- 70
- Category
- Drinks
- Sold at
- 216 drive-ins
- Sizes
- Mini, Small, Medium, Large, Route 44
What is in the Sonic Mello Yello
The smooth citrus taste of Mello Yello® served over SONIC's famous ice
Compared
How the Mello Yello Compare in Drinks
Calories per dollar is the column that says which is the better deal, not just the cheaper one.
| Item | Typical price | Calories | Cal / $ |
|---|---|---|---|
| Watermelon Peach Refresher | $3.89 | 120 | 29 |
| Berry Citrus Frozen Refresher | $3.89 | 350 | 88 |
| Mango Peach Frozen Refresher | $3.89 | 350 | 88 |
| Strawberry Passion Fruit Frozen Refresher | $3.89 | 340 | 86 |
| Watermelon Peach Frozen Refresher | $3.89 | 330 | 83 |
| Dirty Dr Pepper® | $3.89 | 270 | 69 |
| Strawberry Lemonade | $3.65 | 310 | 83 |
| Shark Bite | $3.59 | 280 | 77 |
Median price across every drive-in that sells it. The highlighted row is this item.
What it costs
How Much Is the Sonic Mello Yello?
Most Sonic drive-ins charge about $2.69 for the Mello Yello (Medium). A few go as low as $1.20 or as high as $3.89, because every Sonic is owned separately and sets its own price.
Cheapest
$1.20
the lowest anywhere
Usual price
$2.69
what most people pay
Most expensive
$3.89
the highest anywhere
Every Size
Sonic Mello Yello Prices by Size
5 sizes, not priced proportionally. The largest is the cheapest per calorie.
Mini
$1.59
70 cal · 44 per $
Small
$2.19
110 cal · 50 per $
Medium
$2.69
190 cal · 71 per $
Large
$3.19
290 cal · 91 per $
Route 44
$3.79
390 cal · 103 per $
| Size | Typical | Range | Calories | Cal / $ |
|---|---|---|---|---|
| Mini | $1.59 | $0.99 to $2.49 | 70 | 44 |
| Small | $2.19 | $0.95 to $2.99 | 110 | 50 |
| Medium | $2.69 | $1.20 to $3.89 | 190 | 71 |
| Large | $3.19 | $1.40 to $4.39 | 290 | 91 |
| Route 44 | $3.79 | $1.65 to $5.19 | 390 | 103 |
Median price across every Sonic that sells the size. The highlighted row is the size most stores stock.
State by State
Sonic Mello Yello Price by State
Sonic is franchised, so the price is set drive-in by drive-in rather than nationally. Across the 14 states with enough stores to average honestly, the medium runs from $2.43 in AR to $3.29 in CT, a 224% swing for identical food.
| # | State | Avg price | Range | vs national |
|---|---|---|---|---|
| 1 | AR22 stores | $2.43 | $1.20to$2.69 | -$0.29-10.7% |
| 2 | MI12 stores | $2.48 | $2.29to$3.89 | -$0.24-8.8% |
| 3 | NC11 stores | $2.51 | $2.49to$2.69 | -$0.21-7.7% |
| 4 | TN34 stores | $2.57 | $2.49to$3.19 | -$0.15-5.5% |
| 5 | KY38 stores | $2.64 | $1.40to$2.89 | -$0.08-2.9% |
| 6 | IN11 stores | $2.66 | $2.39to$3.69 | -$0.06-2.2% |
| 7 | WV7 stores | $2.80 | $2.79to$2.89 | +$0.08+2.9% |
| 8 | NY9 stores | $2.81 | $2.49to$3.19 | +$0.09+3.3% |
| 9 | PA6 stores | $2.86 | $2.69to$2.89 | +$0.14+5.1% |
| 10 | MN5 stores | $2.89 | $2.89to$2.89 | +$0.17+6.2% |
| 11 | WA13 stores | $2.98 | $2.89to$2.99 | +$0.26+9.6% |
| 12 | MD7 stores | $3.00 | $2.89to$3.29 | +$0.28+10.3% |
| 13 | OR9 stores | $3.13 | $3.00to$3.20 | +$0.41+15.1% |
| 14 | CT6 stores | $3.29 | $2.99to$3.89 | +$0.57+21% |
Ranked cheapest to dearest. Diff is against the $2.72 national average. States with fewer than five stores are left out.
Quick answers
Sonic Mello Yello: Common Questions
How much is the Sonic Mello Yello?
About $2.69 at a typical drive-in. It runs from $1.20 to $3.89 because each Sonic sets its own price.
How many calories are in the Sonic Mello Yello?
190 calories. Sonic publishes no protein or carbohydrate figures.
What sizes does the Sonic Mello Yello come in?
5: Mini, Small, Medium, Large, Route 44. Most drive-ins stock the Medium.
Why does the Sonic Mello Yello cost more at some locations?
Sonic is franchised, so each owner sets the price. That is why this page shows a range, not one number.
Where is the Sonic Mello Yello cheapest?
AR, averaging $2.43. CT is the priciest at $3.29.
Does every Sonic sell the Mello Yello?
It is on the menu at 216 of the 3,357 drive-ins in our data. A few franchises drop items, so check yours.
Is the Sonic Mello Yello half price during Happy Hour?
Yes. Happy Hour runs 2 to 4 PM every day and halves all drinks and slushes, so it drops to about $1.35.
How do I find the Sonic Mello Yello near me?
Use the Sonic app or the store locator to find your nearest drive-in, then order it at the stall or for pickup.
Can I order the Sonic Mello Yello on the app?
Yes. You can order it in the Sonic app for drive-in pickup or delivery, and app-only deals sometimes apply.
What is in the Sonic Mello Yello?
The smooth citrus taste of Mello Yello® served over SONIC's famous ice
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Diet Coke
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Diet CokePrices and calories come from Sonic's own store-level menu data across 3,357 open drive-ins in 46 states, last refreshed 2026-08-01. Sonic sets prices per franchise, so we publish the median rather than the mean, and the range beside it. This is an independent guide and is not affiliated with Sonic Drive-In.