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  • SpecsM340i · A5

BMW M340i xDrive G20 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.

saloon · 2019 vs 2026 · 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 M340i xDrive G20

2,539 €per year

7,8 L/100 km weighted · 16.93 € per 100 km · 1 170 L per year

Gap116 € per yearin favour of the A5 Avant (−5 %)≈ 54 L petrol 95
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 · M340iBB · A5Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,889 €2,464 €425 € · A5
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,539 €2,423 €116 € · A5
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,269 €2,344 €75 € · M340i

Cumulative saving for the A5 Avant

1 year
116 €
3 years
348 €
5 years
581 €
10 years
1,161 €

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

What produces these figures

WLTP combined
7.4 L/100 km · 7.6 L/100 km
Powertrain
Combustion · Combustion
Power
374 ch · 204 ch
Kerb weight
1,670 kg · 1,710 kg

Other similar comparisons

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gap 574 €/year
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M340i xDrive vs S5 Sedan

gap 103 €/year
AudiVSBMW

A5 Avant vs 320i Sedan

gap 644 €/year

Frequently asked questions

On a 100 km mixed trip, the BMW M340i 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.