On a 100 km mixed trip, the BMW i7 M70 xDrive and Porsche Taycan have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.
What each kilometre costs, depending on your driving profile and how you charge. Annual projection and cumulative savings over 10 years.
702 €per year
23,4 kWh/100 km weighted · 4.68 € per 100 km · 3 510 kWh per year
| Profile | Split | AA · i7 | BB · Taycan | Gap |
|---|---|---|---|---|
| City70 / 25 / 5 | 70 % city · 25 % road · 5 % motorway | 598 € | 746 € | 148 € · i7 |
| Mixed30 / 50 / 20 | 30 % city · 50 % road · 20 % motorway | 702 € | 688 € | Nearly level |
| Long-distance10 / 40 / 50 | 10 % city · 40 % road · 50 % motorway | 831 € | 682 € | 149 € · Taycan |
Cumulative saving for the Taycan
Energy only. Excludes purchase, insurance, servicing, depreciation.
On a 100 km mixed trip, the BMW i7 M70 xDrive and Porsche Taycan have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.
BMW i7 M70 xDrive offers more range: 560 km vs 431 km for Porsche Taycan (WLTP/EPA). In real motorway use, expect 10-20% less depending on temperature.
The Porsche Taycan is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.