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120dvs620dDiesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs120d · 620d

BMW 120d F40 vs BMW 620d 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.

compact · 2020 vs 2018 · 15,000 km/an · Mixed · Diesel 2.38 €/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 120d F40

1,686 €per year

4,7 L/100 km weighted · 11.24 € per 100 km · 710 L per year

Gap93 € per yearin favour of the 120d (−5 %)≈ 39 L diesel
BBMW 620d Gran Turismo G32

1,778 €per year

5,0 L/100 km weighted · 11.86 € per 100 km · 749 L per year

The verdict changes with your usage
ProfileSplitAA · 120dBB · 620dGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway1,807 €1,866 €59 € · 120d
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway1,686 €1,778 €93 € · 120d
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway1,593 €1,711 €118 € · 120d

Cumulative saving for the 120d

1 year
93 €
3 years
278 €
5 years
463 €
10 years
927 €

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

What produces these figures

WLTP combined
4.6 L/100 km · 4.9 L/100 km
Powertrain
Combustion · Combustion
Power
190 ch · 190 ch
Kerb weight
1,450 kg · 1,765 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW 120d and BMW 620d Gran Turismo have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

The BMW 120d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.