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A5Petrolvs318dDiesel
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  • SpecsA5 · 318d

Audi A5 Avant vs BMW 318d F30: 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 2012 · 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 A5 Avant

2,619 €per year

8,0 L/100 km weighted · 17.46 € per 100 km · 1 207 L per year

Gap1,129 € per yearin favour of the 318d (−43 %)≈ 520 L petrol 95
BBMW 318d F30

1,490 €per year

4,2 L/100 km weighted · 9.93 € per 100 km · 627 L per year

The verdict changes with your usage
ProfileSplitAA · A5BB · 318dGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,926 €1,664 €1,262 € · 318d
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,619 €1,490 €1,129 € · 318d
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,381 €1,354 €1,027 € · 318d

Cumulative saving for the 318d

1 year
1,129 €
3 years
3,388 €
5 years
5,647 €
10 years
11,294 €

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

What produces these figures

WLTP combined
7.7 L/100 km · 4.0 L/100 km
Power
150 ch · 143 ch
Kerb weight
1,710 kg · 1,495 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW 318d is about 45% cheaper than the Audi A5 Avant with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW 318d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.