On a 100 km mixed trip, the BMW 840d xDrive Convertible is about 30% cheaper than the BMW M4 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.
2,119 €per year
6,3 L/100 km weighted · 14.13 € per 100 km · 944 L per year
| Profile | Split | AA · M4 | BB · 840d | Gap |
|---|---|---|---|---|
| City70 / 25 / 5 | 70 % city · 25 % road · 5 % motorway | 3,080 € | 2,362 € | 718 € · 840d |
| Mixed30 / 50 / 20 | 30 % city · 50 % road · 20 % motorway | 3,080 € | 2,119 € | 961 € · 840d |
| Long-distance10 / 40 / 50 | 10 % city · 40 % road · 50 % motorway | 3,080 € | 1,937 € | 1,143 € · 840d |
Cumulative saving for the 840d xDrive Convertible
Energy only. Excludes purchase, insurance, servicing, depreciation.
On a 100 km mixed trip, the BMW 840d xDrive Convertible is about 30% cheaper than the BMW M4 with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.
The BMW 840d xDrive Convertible is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.