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RSBEVvsSHybrid
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Audi RS e-tron GT vs Mercedes S 450 d 4MATIC Limousine Langversion W223: 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.

grand tourer · 2022 vs 2026 · 15,000 km/an · Mixed · 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 e-tron GT

346 €per year

11,5 kWh/100 km weighted · 2.31 € per 100 km · 1 732 kWh per year

Gap2,223 € per yearin favour of the RS e-tron GT (−87 %)≈ 936 L diesel
BMercedes S 450 d 4MATIC Limousine Langversion W223

2,570 €per year

7,2 L/100 km weighted · 17.13 € per 100 km · 1 082 L per year

The verdict changes with your usage
ProfileSplitAA · RSBB · SGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway295 €2,871 €2,576 € · RS
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway346 €2,570 €2,223 € · RS
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway410 €2,336 €1,926 € · RS

Cumulative saving for the RS e-tron GT

1 year
2,223 €
3 years
6,670 €
5 years
11,117 €
10 years
22,233 €

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

What produces these figures

WLTP combined
11.1 L/100 km · 6.9 L/100 km
Powertrain
Fully electric · Mild hybrid 48 V
Power
671 ch · 367 ch
Kerb weight
2,395 kg · 2,255 kg

Other similar comparisons

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AudiVSPorsche

RS e-tron GT vs Taycan Turbo Cross Turismo

gap 493 €/year
MercedesVSBMW

S 450 d 4MATIC Limousine Langversion vs 740Ld xDrive

gap 742 €/year

Frequently asked questions

On a 100 km mixed trip, the Audi RS e-tron GT is about 85% cheaper than the Mercedes S 450 d 4MATIC Limousine Langversion with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The declared range of the Audi RS e-tron GT is 528 km (WLTP/EPA). In real-world conditions, expect 10-20% less.

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

Consumption
Yearly cost
  • SpecsRS · S