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118dDieselvsLeonPetrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs118d · Leon

BMW 118d F20LCI vs SEAT Leon 1.5 TSI 150 7DSG: 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 · 2018 vs 2022 · 15,000 km/an · Mixed · Diesel 2.38 €/L · 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

ABMW 118d F20LCI

1,679 €per year

4,7 L/100 km weighted · 11.19 € per 100 km · 707 L per year

Gap167 € per yearin favour of the 118d (−9 %)≈ 77 L petrol 95
BSEAT Leon 1.5 TSI 150 7DSG

1,846 €per year

5,7 L/100 km weighted · 12.30 € per 100 km · 851 L per year

The verdict changes with your usage
ProfileSplitAA · 118dBB · LeonGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway1,805 €2,085 €280 € · 118d
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway1,679 €1,846 €167 € · 118d
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway1,575 €1,660 €85 € · 118d

Cumulative saving for the 118d

1 year
167 €
3 years
501 €
5 years
835 €
10 years
1,669 €

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

What produces these figures

WLTP combined
4.6 L/100 km · 5.4 L/100 km
Powertrain
Combustion · Combustion
Power
150 ch · 150 ch
Kerb weight
1,395 kg · 1,280 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW 118d is about 10% cheaper than the SEAT Leon 1.5 TSI 150 7DSG with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW 118d is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.