BMW X5 vs Toyota 4Runner
The BMW X5 is the more efficient of the two: it reaches 27 mpg combined versus 23 mpg for the Toyota 4Runner, a 4 mpg advantage and costs about $250 less per year to fuel.
Across 5 measured categories, the BMW X5 leads in 4. Figures are EPA test data, not manufacturer claims.
2015–2027
BMW X5
Standard Sport Utility Vehicle 4WD · 61 configurations
2015–2026
Toyota 4Runner
Standard Sport Utility Vehicle 4WD · 42 configurations
Head-to-head specifications
| Metric | BMW X5 | Toyota 4Runner |
|---|---|---|
| Best combined MPG | 27 mpg ✓ | 23 mpg |
| Best city MPG | 24 mpg ✓ | 23 mpg |
| Best highway MPG | 31 mpg ✓ | 26 mpg |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $2,900 | $2,650 ✓ |
| Lowest CO2 output | 130 g/mi ✓ | 380 g/mi |
| Engines offered | SIDI & PFI; Mild Hybrid, SIDI; PHEV, SIDI; Mild Hybrid, SIDI | SIDI & PFI; Hybrid, SIDI & PFI, SIDI & PFI; with Stop-Start, 4.0 |
| Transmissions | Automatic (S8) | Automatic (S8), Automatic (S5) |
| Drivetrains | All-Wheel Drive, Rear-Wheel Drive | 4-Wheel Drive, Part-time 4-Wheel Drive, Rear-Wheel Drive |
| Fuel types | Premium, Premium and Electricity, Diesel | Regular |
| EPA class | Standard Sport Utility Vehicle 4WD | Standard Sport Utility Vehicle 4WD |
| Years covered | 2015–2027 | 2015–2026 |
| Configurations on record | 61 | 42 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
X5 vs 4Runner: common questions
Which is better on gas, the BMW X5 or the Toyota 4Runner?
The BMW X5 is the more efficient of the two: it reaches 27 mpg combined versus 23 mpg for the Toyota 4Runner, a 4 mpg advantage and costs about $250 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the Toyota 4Runner runs about $2,650 a year in fuel at its most efficient configuration, versus about $2,900 for the BMW X5 — a difference of roughly $250 per year.
What engines do the X5 and 4Runner offer?
BMW X5: SIDI & PFI; Mild Hybrid, SIDI; PHEV, SIDI; Mild Hybrid, SIDI. Toyota 4Runner: SIDI & PFI; Hybrid, SIDI & PFI, SIDI & PFI; with Stop-Start, 4.0.
Are they in the same vehicle class?
Yes — the EPA classifies both the BMW X5 and the Toyota 4Runner as Standard Sport Utility Vehicle 4WD, so they compete directly.
More X5 comparisons
Comparison id: bmw-x5-vs-toyota-4runner