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CLAHybridvsA4 40Diesel
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  • SpecsCLA · A4 40

Mercedes CLA 220 Saloon vs Audi A4 40 TDI: 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.

compact · 2025 vs 2020 · 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

AMercedes CLA 220 Saloon

1,871 €per year

5,7 L/100 km weighted · 12.47 € per 100 km · 862 L per year

Gap120 € per yearin favour of the A4 40 TDI (−6 %)≈ 55 L petrol 95
BAudi A4 40 TDI

1,750 €per year

4,9 L/100 km weighted · 11.67 € per 100 km · 737 L per year

The verdict changes with your usage
ProfileSplitAA · CLABB · A4 40Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,090 €1,956 €134 € · A4 40
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway1,871 €1,750 €120 € · A4 40
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway1,701 €1,591 €109 € · A4 40

Cumulative saving for the A4 40 TDI

1 year
120 €
3 years
361 €
5 years
602 €
10 years
1,204 €

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

What produces these figures

WLTP combined
5.5 L/100 km · 4.7 L/100 km
Powertrain
Mild hybrid 48 V · Combustion
Power
211 ch · 190 ch
Kerb weight
1,705 kg · 1,575 kg

Other similar comparisons

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CLA 220 Saloon vs A3 allstreet

gap 1 507 €/year
AudiVSBMW

A4 40 TDI vs 320d

gap 15 €/year
MercedesVSAudi

CLA 220 Saloon vs A3 Sportback TFSI e 150 kW

gap 1 330 €/year
AudiVSBMW

A4 40 TDI vs 320d

gap 343 €/year

Frequently asked questions

On a 100 km mixed trip, the Mercedes CLA 220 Saloon and Audi A4 40 TDI have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

The Audi A4 40 TDI is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.