On a 100 km mixed trip, the BMW 420i is about 40% cheaper than the Porsche Boxster S 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 | Boxster | 420i | Gap |
|---|---|---|---|---|
| City | 70 % city · 25 % road · 5 % motorway | 3,414 € | 2,055 € | 1,359 € · 420i |
| Mixed | 30 % city · 50 % road · 20 % motorway | 3,117 € | 1,848 € | 1,269 € · 420i |
| Long-distance | 10 % city · 40 % road · 50 % motorway | 2,829 € | 1,689 € | 1,140 € · 420i |
Cumulative saving for the 420i
Energy only. Excludes purchase, insurance, servicing, depreciation.
On a 100 km mixed trip, the BMW 420i is about 40% cheaper than the Porsche Boxster S with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.
The BMW 420i is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.