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M440iHybridvsS4Diesel
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  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsM440i · S4

BMW M440i Gran Coupé G22 vs Audi S4 TDI: 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 · 2022 vs 2020 · 15,000 km/an · Mixed · Petrol 95 2.17 €/L · Diesel 2.38 €/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 M440i Gran Coupé G22

2,721 €per year

8,4 L/100 km weighted · 18.14 € per 100 km · 1 254 L per year

Gap189 € per yearin favour of the S4 TDI (−7 %)≈ 87 L petrol 95
BAudi S4 TDI

2,533 €per year

7,1 L/100 km weighted · 16.88 € per 100 km · 1 066 L per year

The verdict changes with your usage
ProfileSplitAA · M440iBB · S4Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway3,040 €2,829 €211 € · S4
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,721 €2,533 €189 € · S4
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,474 €2,302 €171 € · S4

Cumulative saving for the S4 TDI

1 year
189 €
3 years
566 €
5 years
943 €
10 years
1,886 €

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

What produces these figures

WLTP combined
8.0 L/100 km · 6.8 L/100 km
Powertrain
Mild hybrid 48 V · Combustion
Power
374 ch · 354 ch
Kerb weight
1,765 kg · 1,805 kg

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AudiVSBMW

S4 TDI vs M340d xDrive

gap 497 €/year

Frequently asked questions

On a 100 km mixed trip, the BMW M440i Gran Coupé and Audi S4 TDI have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

The Audi S4 TDI is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.