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RS 5PHEVvsX4Diesel
  • MotorwayMotorwayRange and charging
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  • SpecsRS 5 · X4

Audi RS 5 Avant vs BMW X4 M40d G02: 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.

saloon · 2026 vs 2018 · 15,000 km/an · Mixed · Petrol 95 2.17 €/L · Diesel 2.38 €/L · Home 0.20 €/kWh · 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
Charging type

Result · yearly energy cost

AAudi RS 5 Avant

1,956 €per year

30,5 kWh/100 km weighted · 13.04 € per 100 km · 1 599 L per year

Gap449 € per yearin favour of the RS 5 Avant (−19 %)≈ 189 L diesel
BBMW X4 M40d G02

2,406 €per year

6,8 L/100 km weighted · 16.04 € per 100 km · 1 013 L per year

The verdict changes with your usage
ProfileSplitAA · RS 5BB · X4Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway1,956 €2,522 €565 € · RS 5
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway1,956 €2,406 €449 € · RS 5
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway1,956 €2,324 €368 € · RS 5

Cumulative saving for the RS 5 Avant

1 year
449 €
3 years
1,348 €
5 years
2,247 €
10 years
4,495 €

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

What produces these figures

WLTP combined
29.3 kWh/100 km · 6.6 L/100 km
Powertrain
Plug-in hybrid · Combustion
Power
639 ch · 326 ch
Kerb weight
2,370 kg · 1,895 kg

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Frequently asked questions

On a 100 km mixed trip, the Audi RS 5 Avant is about 20% cheaper than the BMW X4 M40d with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the Audi RS 5 Avant is 75 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

The Audi RS 5 Avant is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.