On a 100 km mixed trip, the BMW 840i xDrive is about 20% cheaper than the Porsche 718 Cayman with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.
Same car, two powertrains. The simulator below calculates the gap based on your mileage and charging type.
| Profile | Split | 840i | 718 | Gap |
|---|---|---|---|---|
| City | 70 % city · 25 % road · 5 % motorway | 2,735 € | 3,266 € | 531 € · 840i |
| Mixed | 30 % city · 50 % road · 20 % motorway | 2,449 € | 3,031 € | 583 € · 840i |
| Long-distance | 10 % city · 40 % road · 50 % motorway | 2,223 € | 2,818 € | 595 € · 840i |
Cumulative saving for the 840i xDrive
Energy only. Excludes purchase, insurance, servicing, depreciation.
On a 100 km mixed trip, the BMW 840i xDrive is about 20% cheaper than the Porsche 718 Cayman with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.
The BMW 840i xDrive is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.