Tesla Model S vs BMW i7

The Tesla Model S is the more efficient of the two: it reaches 124 mpg combined versus 92 mpg for the BMW i7, a 32 mpg advantage and costs about $200 less per year to fuel.

Across 4 measured categories, the Tesla Model S leads in 4. Figures are EPA test data, not manufacturer claims.

2015–2026

Tesla Model S

Large Cars · 62 configurations

124mpg combined (best)
All Tesla Model S specs

2023–2027

BMW i7

Large Cars · 34 configurations

92mpg combined (best)
All BMW i7 specs

Head-to-head specifications

MetricTesla Model SBMW i7
Best combined MPG124 mpg92 mpg
Best city MPG132 mpg91 mpg
Best highway MPG116 mpg95 mpg
Lowest annual fuel costEPA estimate at 15,000 miles per year$600$800
Lowest CO2 outputNot availableNot available
Engines offeredNot availableNot available
TransmissionsAutomatic (A1)Automatic (A1)
DrivetrainsAll-Wheel Drive, Rear-Wheel DriveAll-Wheel Drive, Rear-Wheel Drive, 4-Wheel Drive
Fuel typesElectricityElectricity
EPA classLarge CarsLarge Cars
Years covered2015–20262023–2027
Configurations on record6234

Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.

Model S vs i7: common questions

Which is better on gas, the Tesla Model S or the BMW i7?

The Tesla Model S is the more efficient of the two: it reaches 124 mpg combined versus 92 mpg for the BMW i7, a 32 mpg advantage and costs about $200 less per year to fuel.

Which costs less to run per year?

By EPA estimates at 15,000 miles a year, the Tesla Model S runs about $600 a year in fuel at its most efficient configuration, versus about $800 for the BMW i7 — a difference of roughly $200 per year.

What engines do the Model S and i7 offer?

Tesla Model S: no engine data on record. BMW i7: no engine data on record.

Are they in the same vehicle class?

Yes — the EPA classifies both the Tesla Model S and the BMW i7 as Large Cars, so they compete directly.

More Model S comparisons

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