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740dDieselvs520iPetrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs740d · 520i

BMW 740d xDrive G11 vs BMW 520i G30: 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 · 2018 vs 2020 · 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 740d xDrive G11

2,270 €per year

6,4 L/100 km weighted · 15.14 € per 100 km · 956 L per year

Gap405 € per yearin favour of the 520i (−18 %)≈ 171 L diesel
BBMW 520i G30

1,865 €per year

5,7 L/100 km weighted · 12.43 € per 100 km · 860 L per year

The verdict changes with your usage
ProfileSplitAA · 740dBB · 520iGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,532 €2,073 €459 € · 520i
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,270 €1,865 €405 € · 520i
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,067 €1,702 €365 € · 520i

Cumulative saving for the 520i

1 year
405 €
3 years
1,215 €
5 years
2,026 €
10 years
4,052 €

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

What produces these figures

WLTP combined
6.1 L/100 km · 5.5 L/100 km
Powertrain
Combustion · Combustion
Power
320 ch · 184 ch
Kerb weight
1,870 kg · 1,610 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW 520i is about 20% cheaper than the BMW 740d xDrive with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW 520i is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.