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M550dDieselvsA5Petrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsM550d · A5

BMW M550d xDrive G30 vs Audi A5 Avant: 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 2026 · 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 M550d xDrive G30

2,505 €per year

7,0 L/100 km weighted · 16.70 € per 100 km · 1 055 L per year

Gap83 € per yearin favour of the A5 Avant (−3 %)≈ 35 L diesel
BAudi A5 Avant

2,423 €per year

7,4 L/100 km weighted · 16.15 € per 100 km · 1 116 L per year

The verdict changes with your usage
ProfileSplitAA · M550dBB · A5Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,734 €2,464 €270 € · A5
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,505 €2,423 €83 € · A5
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,327 €2,344 €Nearly level

Cumulative saving for the A5 Avant

1 year
83 €
3 years
248 €
5 years
414 €
10 years
827 €

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

What produces these figures

WLTP combined
6.8 L/100 km · 7.6 L/100 km
Powertrain
Combustion · Combustion
Power
400 ch · 204 ch
Kerb weight
1,955 kg · 1,710 kg

Other similar comparisons

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M550d xDrive vs A6 Avant TDI quattro S tronic 220 kW

gap 436 €/year
AudiVSBMW

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BMWVSAudi

M550d xDrive vs A6 Sedan TDI quattro S tronic 220 kW

gap 530 €/year
AudiVSBMW

A5 Avant vs 320i Sedan

gap 644 €/year

Frequently asked questions

On a 100 km mixed trip, the BMW M550d xDrive and Audi A5 Avant have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

The Audi A5 Avant is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.