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S3Petrolvs125dDiesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsS3 · 125d

Audi S3 Sedan vs BMW 125d F20LCI: 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 · 2026 vs 2018 · 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 S3 Sedan

2,708 €per year

8,3 L/100 km weighted · 18.05 € per 100 km · 1 248 L per year

Gap958 € per yearin favour of the 125d (−35 %)≈ 442 L petrol 95
BBMW 125d F20LCI

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 · S3BB · 125dGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway2,728 €1,876 €851 € · 125d
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway2,708 €1,750 €958 € · 125d
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway2,669 €1,647 €1,023 € · 125d

Cumulative saving for the 125d

1 year
958 €
3 years
2,875 €
5 years
4,792 €
10 years
9,583 €

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

What produces these figures

WLTP combined
8.4 L/100 km · 4.8 L/100 km
Powertrain
Combustion · Combustion
Power
333 ch · 224 ch
Kerb weight
1,535 kg · 1,480 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW 125d is about 35% cheaper than the Audi S3 Sedan with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW 125d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.