On a 100 km mixed trip, the BMW 420d is about 55% cheaper than the Porsche Boxster Spyder 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.
3,327 €per year
10,2 L/100 km weighted · 22.18 € per 100 km · 1 533 L per year
| Profile | Split | AA · Boxster | BB · 420d | Gap |
|---|---|---|---|---|
| City70 / 25 / 5 | 70 % city · 25 % road · 5 % motorway | 3,644 € | 1,666 € | 1,978 € · 420d |
| Mixed30 / 50 / 20 | 30 % city · 50 % road · 20 % motorway | 3,327 € | 1,550 € | 1,776 € · 420d |
| Long-distance10 / 40 / 50 | 10 % city · 40 % road · 50 % motorway | 3,020 € | 1,468 € | 1,552 € · 420d |
Cumulative saving for the 420d
Energy only. Excludes purchase, insurance, servicing, depreciation.
On a 100 km mixed trip, the BMW 420d is about 55% cheaper than the Porsche Boxster Spyder with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.
The BMW 420d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.