On a 100 km mixed trip, the BMW 420i is about 45% cheaper than the Porsche 911 Carrera 4 (Manual) with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.
What each kilometre costs, depending on your driving profile and how you charge. Annual projection and cumulative savings over 10 years.
3,750 €per year
11,5 L/100 km weighted · 25.00 € per 100 km · 1 728 L per year
| Profile | Split | AA · 911 | BB · 420i | Gap |
|---|---|---|---|---|
| City70 / 25 / 5 | 70 % city · 25 % road · 5 % motorway | 4,067 € | 2,194 € | 1,873 € · 420i |
| Mixed30 / 50 / 20 | 30 % city · 50 % road · 20 % motorway | 3,750 € | 1,973 € | 1,777 € · 420i |
| Long-distance10 / 40 / 50 | 10 % city · 40 % road · 50 % motorway | 3,443 € | 1,803 € | 1,640 € · 420i |
Cumulative saving for the 420i
Energy only. Excludes purchase, insurance, servicing, depreciation.
On a 100 km mixed trip, the BMW 420i is about 45% cheaper than the Porsche 911 Carrera 4 (Manual) 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.