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718Petrolvs220dDiesel
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  • Specs718 · 220d

Porsche 718 Boxster S vs BMW 220d xDrive Gran Coupe F44: 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.

sports car · 2017 vs 2021 · 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

APorsche 718 Boxster S

4,283 €per year

13,2 L/100 km weighted · 28.56 € per 100 km · 1 974 L per year

Gap2,419 € per yearin favour of the 220d xDrive Gran Coupe (−56 %)≈ 1,115 L petrol 95
BBMW 220d xDrive Gran Coupe F44

1,864 €per year

5,2 L/100 km weighted · 12.43 € per 100 km · 785 L per year

The verdict changes with your usage
ProfileSplitAA · 718BB · 220dGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway5,575 €1,985 €3,590 € · 220d
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway4,283 €1,864 €2,419 € · 220d
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,516 €1,771 €1,745 € · 220d

Cumulative saving for the 220d xDrive Gran Coupe

1 year
2,419 €
3 years
7,258 €
5 years
12,097 €
10 years
24,194 €

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

What produces these figures

WLTP combined
10.7 L/100 km · 5.1 L/100 km
Powertrain
Combustion · Combustion
Power
350 ch · 190 ch
Kerb weight
1,355 kg · 1,565 kg

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Frequently asked questions

On a 100 km mixed trip, the BMW 220d xDrive Gran Coupe is about 55% cheaper than the Porsche 718 Boxster S with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The BMW 220d xDrive Gran Coupe is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.