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SHybridvsA5Petrol
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  • SpecsS · A5

Mercedes S 450 4MATIC Saloon, long version W223 vs Audi A5 Avant: 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 · 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 450 4MATIC Saloon, long version W223

3,061 €per year

9,4 L/100 km weighted · 20.41 € per 100 km · 1 411 L per year

Gap639 € per yearin favour of the A5 Avant (−21 %)≈ 294 L petrol 95
BAudi A5 Avant

2,423 €per year

7,4 L/100 km weighted · 16.15 € per 100 km · 1 116 L per year

The verdict changes with your usage
ProfileSplitAA · SBB · A5Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway3,420 €2,464 €957 € · A5
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway3,061 €2,423 €639 € · A5
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,783 €2,344 €439 € · A5

Cumulative saving for the A5 Avant

1 year
639 €
3 years
1,916 €
5 years
3,193 €
10 years
6,385 €

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

What produces these figures

WLTP combined
9.0 L/100 km · 7.6 L/100 km
Powertrain
Mild hybrid 48 V · Combustion
Power
381 ch · 204 ch
Kerb weight
2,185 kg · 1,710 kg

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AudiVSBMW

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Frequently asked questions

On a 100 km mixed trip, the Audi A5 Avant is about 20% cheaper than the Mercedes S 450 4MATIC Saloon, long version with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The Audi A5 Avant is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.