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A5vsA6Diesel
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  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsA5 · A6

Audi A5 Sedan vs Audi A6 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.

saloon · 2026 vs 2026 · 15,000 km/an · Mixed · 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 A5 Sedan

1,901 €per year

5,3 L/100 km weighted · 12.67 € per 100 km · 800 L per year

Gap138 € per yearin favour of the A5 Sedan (−7 %)≈ 58 L diesel
BAudi A6 Avant

2,039 €per year

5,7 L/100 km weighted · 13.59 € per 100 km · 858 L per year

The verdict changes with your usage
ProfileSplitAA · A5BB · A6Gap
City70 / 25 / 570 % city · 25 % road · 5 % motorway1,944 €2,086 €141 € · A5
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway1,901 €2,039 €138 € · A5
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway1,813 €1,945 €132 € · A5

Cumulative saving for the A5 Sedan

1 year
138 €
3 years
415 €
5 years
691 €
10 years
1,382 €

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

What produces these figures

WLTP combined
5.5 L/100 km · 5.9 L/100 km
Powertrain
Combustion · Combustion
Power
204 ch · 204 ch
Kerb weight
1,820 kg · 2,000 kg

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AudiVSBMW

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gap 1 €/year

Frequently asked questions

On a 100 km mixed trip, the Audi A5 Sedan and Audi A6 Avant have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

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