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630dDieselvs320iPetrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs630d · 320i

BMW 630d xDrive Gran Turismo G32 vs BMW 320i G20: 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.

grand tourer · 2018 vs 2019 · 15,000 km/an · Mixed · Diesel 2.38 €/L · 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 630d xDrive Gran Turismo G32

2,181 €per year

6,1 L/100 km weighted · 14.54 € per 100 km · 918 L per year

Gap189 € per yearin favour of the 320i (−9 %)≈ 80 L diesel
BBMW 320i G20

1,992 €per year

6,1 L/100 km weighted · 13.28 € per 100 km · 918 L per year

The verdict changes with your usage
ProfileSplitAA · 630dBB · 320iGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,390 €2,182 €207 € · 320i
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,181 €1,992 €189 € · 320i
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,021 €1,846 €175 € · 320i

Cumulative saving for the 320i

1 year
189 €
3 years
567 €
5 years
946 €
10 years
1,891 €

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

What produces these figures

WLTP combined
5.9 L/100 km · 5.9 L/100 km
Powertrain
Combustion · Combustion
Power
265 ch · 184 ch
Kerb weight
1,880 kg · 1,460 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW 320i is about 10% cheaper than the BMW 630d xDrive Gran Turismo with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW 320i is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.