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M3vs640iPetrol
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  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsM3 · 640i

BMW M3 F80 vs BMW 640i Gran Turismo G32: 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.

saloon · 2020 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 M3 F80

3,802 €per year

11,7 L/100 km weighted · 25.35 € per 100 km · 1 752 L per year

Gap1,136 € per yearin favour of the 640i Gran Turismo (−30 %)≈ 523 L petrol 95
BBMW 640i Gran Turismo G32

2,666 €per year

8,2 L/100 km weighted · 17.77 € per 100 km · 1 229 L per year

The verdict changes with your usage
ProfileSplitAA · M3BB · 640iGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway4,564 €3,055 €1,509 € · 640i
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway3,802 €2,666 €1,136 € · 640i
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,216 €2,376 €840 € · 640i

Cumulative saving for the 640i Gran Turismo

1 year
1,136 €
3 years
3,408 €
5 years
5,680 €
10 years
11,360 €

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

What produces these figures

WLTP combined
10.8 L/100 km · 7.7 L/100 km
Powertrain
Combustion · Combustion
Power
480 ch · 340 ch
Kerb weight
1,705 kg · 1,770 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW 640i Gran Turismo is about 30% cheaper than the BMW M3 with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW 640i Gran Turismo is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.