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718vsBoxsterPetrol
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  • Specs718 · Boxster

Porsche 718 Spyder vs Porsche Boxster S: 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 · 2020 vs 2011 · 15,000 km/an · Mixed · 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

APorsche 718 Spyder

3,776 €per year

11,6 L/100 km weighted · 25.17 € per 100 km · 1 740 L per year

Gap452 € per yearin favour of the 718 Spyder (−11 %)≈ 209 L petrol 95
BPorsche Boxster S

4,228 €per year

13,0 L/100 km weighted · 28.19 € per 100 km · 1 948 L per year

The verdict changes with your usage
ProfileSplitAA · 718BB · BoxsterGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway4,218 €5,365 €1,147 € · 718
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway3,776 €4,228 €452 € · 718
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,432 €3,540 €108 € · 718

Cumulative saving for the 718 Spyder

1 year
452 €
3 years
1,357 €
5 years
2,262 €
10 years
4,525 €

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

What produces these figures

WLTP combined
11.1 L/100 km · 10.9 L/100 km
Powertrain
Combustion · Combustion
Power
420 ch · 310 ch
Kerb weight
1,454 kg · 1,355 kg

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BMWVSPorsche

Z4 M40i vs Boxster S

gap 2 287 €/year

Frequently asked questions

On a 100 km mixed trip, the Porsche 718 Spyder is about 10% cheaper than the Porsche Boxster S with default parameters. This ratio shifts with your actual energy prices - simulate for your profile.

The Porsche 718 Spyder is cheaper across all distances with default rates. If your energy prices differ significantly, simulate to see the real impact on your budget.