Tesla Model X vs BMW iX
The Tesla Model X is the more efficient of the two: it reaches 105 mpg combined versus 97 mpg for the BMW iX, a 8 mpg advantage and costs about $100 less per year to fuel.
Across 4 measured categories, the Tesla Model X leads in 4. Figures are EPA test data, not manufacturer claims.
2016–2026
Tesla Model X
Standard Sport Utility Vehicle 4WD · 41 configurations
2022–2026
BMW iX
Standard Sport Utility Vehicle 4WD · 35 configurations
Head-to-head specifications
| Metric | Tesla Model X | BMW iX |
|---|---|---|
| Best combined MPG | 105 mpg ✓ | 97 mpg |
| Best city MPG | 110 mpg ✓ | 99 mpg |
| Best highway MPG | 101 mpg ✓ | 94 mpg |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $700 ✓ | $800 |
| Lowest CO2 output | Not available | Not available |
| Engines offered | Not available | Not available |
| Transmissions | Automatic (A1) | Automatic (A1) |
| Drivetrains | All-Wheel Drive | All-Wheel Drive |
| Fuel types | Electricity | Electricity |
| EPA class | Standard Sport Utility Vehicle 4WD | Standard Sport Utility Vehicle 4WD |
| Years covered | 2016–2026 | 2022–2026 |
| Configurations on record | 41 | 35 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
Model X vs iX: common questions
Which is better on gas, the Tesla Model X or the BMW iX?
The Tesla Model X is the more efficient of the two: it reaches 105 mpg combined versus 97 mpg for the BMW iX, a 8 mpg advantage and costs about $100 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the Tesla Model X runs about $700 a year in fuel at its most efficient configuration, versus about $800 for the BMW iX — a difference of roughly $100 per year.
What engines do the Model X and iX offer?
Tesla Model X: no engine data on record. BMW iX: no engine data on record.
Are they in the same vehicle class?
Yes — the EPA classifies both the Tesla Model X and the BMW iX as Standard Sport Utility Vehicle 4WD, so they compete directly.
More Model X comparisons
Comparison id: tesla-model-x-vs-bmw-ix