By EV Charge Cost Editorial Team. Published September 28, 2026, updated October 26, 2026.
How we tested the question
Many automakers certify the same EV with different wheel sizes, and the EPA publishes a separate efficiency rating for each. That gives a clean comparison: same model, same year, same motor and battery, different wheels. We matched trims in our EPA data whose names differ only by the wheel size, then compared the smallest and largest wheel options. We kept tire descriptions such as all-season, summer or all-terrain as part of the match, so those are compared only against themselves.
We found 131 such comparisons across 33 models:
- Larger wheels used more energy in 85.
- Essentially no difference (within 0.5%) in 4.
- Larger wheels used less energy in 42.
The median change was +4.4% in kWh per 100 miles.
Model by model
One comparison per model, from the newest model year available, sorted by the size of the change. Extra cost per year is at the U.S. average price of 18.16¢/kWh for 13,500 miles.
| Model | Year | Smaller wheel | kWh/100 mi | Larger wheel | kWh/100 mi | Change | Extra per year |
|---|---|---|---|---|---|---|---|
| BMW i4 | 2026 | 19" | 34.4 | 20" | 41.4 | +20.5% | $172.62 |
| BMW i5 | 2027 | 19" | 28.9 | 21" | 33.9 | +17.0% | $120.79 |
| Audi SQ8 e-tron | 2025 | 20" | 48.1 | 21" | 56.3 | +16.8% | $198.82 |
| Hyundai Ioniq 6 | 2025 | 18" | 28.0 | 20" | 32.5 | +16.1% | $110.82 |
| BMW iX | 2026 | 20" | 34.7 | 23" | 39.6 | +14.0% | $118.93 |
| BMW iX3 | 2027 | 20" | 28.6 | 22" | 32.5 | +13.7% | $95.84 |
| Lucid Air | 2027 | 19" | 23.1 | 20" | 26.1 | +12.8% | $72.59 |
| Maserati Grecale | 2026 | 19" | 41.7 | 21" | 46.7 | +11.8% | $120.98 |
| Tesla Model S | 2025 | 19" | 32.5 | 21" | 36.1 | +11.2% | $89.58 |
| Polestar 3 | 2026 | 21" | 37.5 | 22" | 41.5 | +10.7% | $98.64 |
| Kia EV6 | 2026 | 19" | 31.6 | 20" | 34.6 | +9.5% | $73.65 |
| Hyundai Ioniq 5 | 2027 | 19" | 31.7 | 20" | 34.5 | +8.9% | $69.37 |
| Genesis GV70 | 2026 | 19" | 35.0 | 20" | 38.0 | +8.6% | $73.55 |
| Audi SQ6 e-tron | 2027 | 20" | 36.6 | 21" | 39.7 | +8.4% | $75.36 |
| Audi Q6 e-tron | 2027 | 19" | 32.5 | 20" | 35.1 | +7.9% | $63.24 |
| Hyundai Kona Electric | 2025 | 17" | 29.1 | 19" | 31.0 | +6.6% | $47.01 |
| Tesla Model X | 2025 | 20" | 35.9 | 22" | 38.1 | +6.3% | $55.22 |
| Lexus RZ | 2026 | 18" | 26.6 | 20" | 28.1 | +5.8% | $37.70 |
| Tesla Model Y | 2026 | 18" | 24.3 | 19" | 25.7 | +5.5% | $32.99 |
| Audi Q8 e-tron | 2025 | 20" | 43.2 | 21" | 45.5 | +5.5% | $57.84 |
| Rolls-Royce Spectre | 2027 | 22" | 41.1 | 23" | 43.2 | +5.0% | $50.16 |
| BMW i7 | 2027 | 20" | 36.5 | 21" | 38.3 | +4.9% | $43.69 |
| Polestar 2 | 2025 | 19" | 33.5 | 20" | 35.0 | +4.4% | $36.37 |
| Nissan Ariya | 2025 | 19" | 37.4 | 20" | 38.8 | +3.9% | $35.34 |
| Audi S6 e-tron | 2027 | 20" | 32.7 | 21" | 33.8 | +3.5% | $27.72 |
| Toyota bZ4X | 2025 | 18" | 31.0 | 20" | 32.0 | +3.2% | $24.51 |
| Audi S e-tron | 2027 | 20" | 37.6 | 21" | 38.5 | +2.3% | $20.86 |
| Toyota C-HR | 2026 | 18" | 29.0 | 20" | 29.6 | +2.0% | $14.31 |
| Lexus ES | 2026 | 19" | 27.0 | 21" | 27.5 | +1.9% | $12.77 |
| MINI Countryman | 2027 | 18" | 34.6 | 19" | 34.9 | +0.9% | $7.97 |
| Rivian R1S | 2027 | 20" | 42.9 | 22" | 39.5 | −7.9% | −$83.32 |
| Rivian R1T | 2027 | 20" | 42.9 | 22" | 39.5 | −7.9% | −$83.32 |
| Volvo EX30 | 2026 | 18" | 37.8 | 19" | 34.1 | −9.8% | −$91.19 |
The largest penalty in the table is on the 2026 BMW i4 M60 xDrive Gran Coupe: 19-inch wheels rate 34.4 kWh/100 mi, 20-inch wheels 41.4. EPA range for those two versions is 278 and 232 miles.
Why bigger wheels usually cost energy
- Wider tires. Larger wheel packages often come with wider tires, which add frontal area and rolling resistance.
- Weight. Bigger wheels and tires are usually heavier, and some of that weight is rotating mass that has to be spun up every time you accelerate.
- Tire choice. Low-profile performance tires tend to prioritize grip over low rolling resistance.
- Wheel design. Flat, covered "aero" wheels disturb less air than open spoked designs.
The exceptions in the data are a reminder that wheel diameter alone does not decide the result. A different tire model, wheel design or other equipment bundled with the bigger wheels can offset or reverse the effect. That is why the trim-level EPA number is the one to use.
Does it matter for your bill?
A few percent is modest per month but adds up over years of ownership, and it also shaves range. The effect grows with mileage and with electricity price: the median-sized gap costs about $36.48 a year at the U.S. average price, and more in high-price states such as Hawaii.
Keep the limits of this comparison in mind. Each EPA figure is a test result for one configuration, and small differences can sit within normal test-to-test variation. Real-world tire wear, pressure and the replacement tires you choose later will also move your consumption. Treat a gap of a percent or two as a hint, and a gap of several percent as a real cost.
How to check before you buy
- Open the model on our vehicle pages and look at the trim table.
- Compare the kWh per 100 miles of the wheel options you are considering.
- Multiply the difference by your yearly miles and price, or enter each figure in the calculator.
For the models that are cheapest to run overall, see the most efficient EVs.