A4 40Dieselvs520dHybrid

Audi A4 40 TDI vs BMW 520d G30: which is cheaper to run?

What each kilometre costs, depending on your driving profile, how you charge and the share of the trip driven on electricity or fuel.

saloon2020 vs 202115,000 km/anMixedDiesel 2.38 €/LHome 0.20 €/kWhMethodology

Annual mileage

15,000 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

Charging type

Result · yearly energy cost

AAudi A4 40 TDI

1,750 €per year

4,9 L/100 km weighted · 11.67 € per 100 km · 737 L per year

GapComparison unavailable - manufacturer data being validated.

BBMW 520d G30

Comparison unavailable - manufacturer data being validated.

5,2 L/100 km weighted · 784 L per year

What produces these figures

WLTP combined: 4.7 L/100 km · 4.3 L/100 km
Powertrain: Combustion · Mild hybrid 48 V
Power: 190 ch · 190 ch
Kerb weight: 1,575 kg · 1,675 kg

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