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M340ivsS5Petrol
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  • SpecsM340i · S5

BMW M340i xDrive Touring G20 vs Audi S5 Sedan: 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 Touring G20

2,594 €per year

8,0 L/100 km weighted · 17.29 € per 100 km · 1 195 L per year

Gap133 € per yearin favour of the S5 Sedan (−5 %)≈ 61 L petrol 95
BAudi S5 Sedan

2,462 €per year

7,6 L/100 km weighted · 16.41 € per 100 km · 1 134 L per year

The verdict changes with your usage
ProfileSplitAA · M340iBB · S5Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,931 €2,517 €414 € · S5
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,594 €2,462 €133 € · S5
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,331 €2,348 €Nearly level

Cumulative saving for the S5 Sedan

1 year
133 €
3 years
398 €
5 years
663 €
10 years
1,326 €

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

What produces these figures

WLTP combined
7.6 L/100 km · 7.8 L/100 km
Powertrain
Combustion · Combustion
Power
374 ch · 367 ch
Kerb weight
1,770 kg · 1,950 kg

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M340i xDrive Touring vs S5 Avant

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BMWVSAudi

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gap 391 €/year

Frequently asked questions

On a 100 km mixed trip, the BMW M340i xDrive Touring and Audi S5 Sedan have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

The Audi S5 Sedan is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.