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Mercedes S 350 d 4MATIC Saloon, long version W223 vs Audi SQ2: 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.

limousine · 2026 vs 2026 · 15,000 km/an · Mixed · Diesel 2.38 €/L · Petrol 95 2.17 €/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

AMercedes S 350 d 4MATIC Saloon, long version W223

2,570 €per year

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

Gap52 € per yearin favour of the S 350 d 4MATIC Saloon, long version (−2 %)≈ 24 L petrol 95
BAudi SQ2

2,622 €per year

8,1 L/100 km weighted · 17.48 € per 100 km · 1 208 L per year

The verdict changes with your usage
ProfileSplitAA · SBB · SQ2Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,871 €2,684 €187 € · SQ2
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,570 €2,622 €Nearly level
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,336 €2,499 €163 € · S

Cumulative saving for the S 350 d 4MATIC Saloon, long version

1 year
52 €
3 years
156 €
5 years
259 €
10 years
519 €

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

What produces these figures

WLTP combined
6.9 L/100 km · 8.3 L/100 km
Powertrain
Mild hybrid 48 V · Combustion
Power
313 ch · 300 ch
Kerb weight
2,250 kg · 1,535 kg

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Frequently asked questions

On a 100 km mixed trip, the Mercedes S 350 d 4MATIC Saloon, long version and Audi SQ2 have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

The Mercedes S 350 d 4MATIC Saloon, long version is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.