2026 head-to-head · Large Car
2026 BMW i7 vs Tesla Model S
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2026 Tesla Model S is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, it costs about $732 a year to fuel (124 MPGe), versus $1,031 for the 2026 BMW i7 (88 MPGe). That's roughly $300 a year, or about $1,499 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- BMW i7
- Tesla Model S
Side by side
| BMW i7 | Tesla Model S | |
|---|---|---|
| $1,031 | Your annual fuel cost | $732 |
| 88 MPGe | Combined efficiency | 124 MPGe |
| 85 MPGe | City | 132 MPGe |
| 93 MPGe | Highway | 116 MPGe |
| 38.2 kWh | Electricity use (kWh/100 mi) | 27.1 kWh |
| 314 mi | Driving range | 410 mi |
| 109 cu ft | Passenger volume | 94 cu ft |
| 14 cu ft | Cargo volume | 26 cu ft |
| 0 g/mi | Tailpipe CO₂ (g/mi) | 0 g/mi |
| 9/10 | EPA fuel economy score | 10/10 |
| 10/10 | EPA greenhouse gas score | 10/10 |
| 10 hrs | Charge time at 240V | 9.7 hrs |
| Electric | Powertrain | Electric |
| Electricity | Fuel | Electricity |
| Electric motor (335 kW) | Engine / motor | Electric motors (491 kW) |
| Single-speed | Transmission | Single-speed |
| RWD | Drivetrain | AWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
BMW i7 vs Tesla Model S across model years
- BMW i7
- Tesla Model S
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
The Tesla Model S goes farther between stops: about 410 miles on a charge, compared with 314 miles for the BMW i7.
Per EPA interior volume figures, the BMW i7 has more passenger space (109 vs. 94 cu ft); the Tesla Model S has more cargo space (26 vs. 14 cu ft).
Among 24 2026 large cars, the BMW i7 ranks 7th and the Tesla Model S 2nd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2026 BMW i7 or the 2026 Tesla Model S?
Measured by cost to drive, the Tesla Model S. The BMW i7 is rated 88 MPGe combined and the Tesla Model S 124 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 BMW i7 vs. the Tesla Model S per year?
At 15,000 miles a year with 18¢/kWh electricity, about $1,031 for the BMW i7 and $732 for the Tesla Model S.
Which has more range?
The Tesla Model S: about 410 miles versus 314 miles.
Which has more cargo space?
The Tesla Model S, with 26 cu ft of luggage volume versus 14 cu ft (EPA interior volume index).
BMW i7 vs Tesla Model S in other years
More 2026 comparisons
BMW i7 vs…
Or compare the 2026 BMW i7 with anything else: