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M8vsPanameraPetrol
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  • SpecsM8 · Panamera

BMW M8 Competition Gran Coupe F92 vs Porsche Panamera Turbo: which is cheaper to run?

What each kilometre costs, depending on your driving profile and how you charge. Annual projection and cumulative savings over 10 years.

limousine · 2021 vs 2018 · 15,000 km/an · Mixed · Petrol 95 2.17 €/L · Methodology
Annual mileage
15,000 km
5,000 km50,000 km
Driving mix

30 % City · 50 % Road · 20 % Motorway

Fuel price
Petrol 95 2.17 €/L · Diesel 2.38 €/Lprix-carburants.gouv.fr — moyenne nationale du 05/10/2026 ; EDF Tarif Bleu Base au 01/08/2026 ; DC autoroute : moyenne des réseaux sans abonnement

Result · yearly energy cost

ABMW M8 Competition Gran Coupe F92

4,007 €per year

12,3 L/100 km weighted · 26.71 € per 100 km · 1 847 L per year

Gap293 € per yearin favour of the Panamera Turbo (−7 %)≈ 135 L petrol 95
BPorsche Panamera Turbo

3,714 €per year

11,4 L/100 km weighted · 24.76 € per 100 km · 1 712 L per year

The verdict changes with your usage
ProfileSplitAA · M8BB · PanameraGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway4,879 €4,049 €830 € · Panamera
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway4,007 €3,714 €293 € · Panamera
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,336 €3,414 €Nearly level

Cumulative saving for the Panamera Turbo

1 year
293 €
3 years
879 €
5 years
1,465 €
10 years
2,930 €

Energy only. Excludes purchase, insurance, servicing, depreciation.

What produces these figures

WLTP combined
11.3 L/100 km · 11.2 L/100 km
Powertrain
Combustion · Combustion
Power
625 ch · 550 ch
Kerb weight
1,995 kg · 1,996 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW M8 Competition Gran Coupe and Porsche Panamera Turbo have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

The Porsche Panamera Turbo is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.