On a 100 km mixed trip, the Audi A4 40 TDI and BMW 420d xDrive have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.
Same car, two powertrains. The simulator below calculates the gap based on your mileage and charging type.
| Profile | Split | A4 40 | 420d | Gap |
|---|---|---|---|---|
| City | 70 % city · 25 % road · 5 % motorway | 1,849 € | 1,684 € | 164 € · 420d |
| Mixed | 30 % city · 50 % road · 20 % motorway | 1,655 € | 1,583 € | 71 € · 420d |
| Long-distance | 10 % city · 40 % road · 50 % motorway | 1,504 € | 1,503 € | Nearly level |
Cumulative saving for the 420d xDrive
Energy only. Excludes purchase, insurance, servicing, depreciation.
On a 100 km mixed trip, the Audi A4 40 TDI and BMW 420d xDrive have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.
The BMW 420d xDrive is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.