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S5vs540iPetrol
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  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsS5 · 540i

Audi S5 Sedan vs BMW 540i 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.

saloon · 2026 vs 2020 · 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

AAudi S5 Sedan

2,462 €per year

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

Gap222 € per yearin favour of the 540i (−9 %)≈ 102 L petrol 95
BBMW 540i G30

2,239 €per year

6,9 L/100 km weighted · 14.93 € per 100 km · 1 032 L per year

The verdict changes with your usage
ProfileSplitAA · S5BB · 540iGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,517 €2,554 €Nearly level
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,462 €2,239 €222 € · 540i
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,348 €2,002 €346 € · 540i

Cumulative saving for the 540i

1 year
222 €
3 years
667 €
5 years
1,111 €
10 years
2,222 €

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

What produces these figures

WLTP combined
7.8 L/100 km · 6.5 L/100 km
Powertrain
Combustion · Combustion
Power
367 ch · 333 ch
Kerb weight
1,950 kg · 1,685 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW 540i is about 10% cheaper than the Audi S5 Sedan with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW 540i is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.