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RSPetrolvsGHybrid
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  • SpecsRS · G

Audi RS Q8 SUV vs Mercedes G 450 d W463: 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.

large SUV · 2026 vs 2024 · 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

AAudi RS Q8 SUV

5,081 €per year

15,6 L/100 km weighted · 33.87 € per 100 km · 2 342 L per year

Gap1,394 € per yearin favour of the G 450 d (−27 %)≈ 642 L petrol 95
BMercedes G 450 d W463

3,687 €per year

10,3 L/100 km weighted · 24.58 € per 100 km · 1 552 L per year

The verdict changes with your usage
ProfileSplitAA · RSBB · GGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway5,343 €4,119 €1,224 € · G
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway5,081 €3,687 €1,394 € · G
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway5,280 €3,352 €1,928 € · G

Cumulative saving for the G 450 d

1 year
1,394 €
3 years
4,182 €
5 years
6,970 €
10 years
13,939 €

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

What produces these figures

WLTP combined
13.6 L/100 km · 9.9 L/100 km
Powertrain
Combustion · Mild hybrid 48 V
Power
600 ch · 367 ch
Kerb weight
2,315 kg · 2,555 kg

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Frequently asked questions

On a 100 km mixed trip, the Mercedes G 450 d is about 25% cheaper than the Audi RS Q8 SUV with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The Mercedes G 450 d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.