BMW X6 vs Toyota Highlander
The Toyota Highlander is the more efficient of the two: it reaches 36 mpg combined versus 24 mpg for the BMW X6, a 12 mpg advantage and costs about $1,450 less per year to fuel.
Across 5 measured categories, the Toyota Highlander leads in 5. Figures are EPA test data, not manufacturer claims.
2015–2027
BMW X6
Standard Sport Utility Vehicle 4WD · 47 configurations
2015–2026
Toyota Highlander
Standard Sport Utility Vehicle 4WD · 72 configurations
Head-to-head specifications
| Metric | BMW X6 | Toyota Highlander |
|---|---|---|
| Best combined MPG | 24 mpg | 36 mpg ✓ |
| Best city MPG | 23 mpg | 36 mpg ✓ |
| Best highway MPG | 27 mpg | 35 mpg ✓ |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $3,150 | $1,700 ✓ |
| Lowest CO2 output | 359 g/mi | 245 g/mi ✓ |
| Engines offered | SIDI; Mild Hybrid, SIDI & PFI; Mild Hybrid, SIDI, SIDI; | SIDI & PFI; Hybrid, SIDI & PFI, SIDI & PFI; with Stop-Start, SIDI & PFI; with Stop-start |
| Transmissions | Automatic (S8) | Automatic (AV-S6), Automatic (S8), Automatic (S6) |
| Drivetrains | All-Wheel Drive, Rear-Wheel Drive | All-Wheel Drive, Front-Wheel Drive |
| Fuel types | Premium | Regular |
| EPA class | Standard Sport Utility Vehicle 4WD | Standard Sport Utility Vehicle 4WD |
| Years covered | 2015–2027 | 2015–2026 |
| Configurations on record | 47 | 72 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
X6 vs Highlander: common questions
Which is better on gas, the BMW X6 or the Toyota Highlander?
The Toyota Highlander is the more efficient of the two: it reaches 36 mpg combined versus 24 mpg for the BMW X6, a 12 mpg advantage and costs about $1,450 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the Toyota Highlander runs about $1,700 a year in fuel at its most efficient configuration, versus about $3,150 for the BMW X6 — a difference of roughly $1,450 per year.
What engines do the X6 and Highlander offer?
BMW X6: SIDI; Mild Hybrid, SIDI & PFI; Mild Hybrid, SIDI, SIDI;. Toyota Highlander: SIDI & PFI; Hybrid, SIDI & PFI, SIDI & PFI; with Stop-Start, SIDI & PFI; with Stop-start.
Are they in the same vehicle class?
Yes — the EPA classifies both the BMW X6 and the Toyota Highlander as Standard Sport Utility Vehicle 4WD, so they compete directly.
More X6 comparisons
Comparison id: bmw-x6-vs-toyota-highlander