Aller au contenu principal
CaralogyCaralogy
HomeBrandsRoad TripBudgetDuelGuides
Caralogy

The car comparison platform. Physics simulation, road trips, real costs.

Navigation
All brandsCar duelRunning costsMotorwayMethodology
Simulators
Motorway simulatorRunning costsPerformance duel
Brands
VolkswagenBMWMercedesToyotaTeslaAudi
FRDEESIT
© 2026 Caralogy · All rights reserved
Home›Consumption›Porsche Boxster vs Porsche Boxster

Consumption comparison

Porsche Boxster Spyder 987 vs Porsche Boxster 981: how much do I save per year?

Same car, two powertrains. The simulator below calculates the gap based on your mileage and charging type.

PorschePetrol

Boxster Spyder 987

54.131363 L · 2011

10,9 L/100km

VS
PorschePetrolMost economical

Boxster 981

63.973429 L · 2013

9,8 L/100km

MotorwayRange & chargingPerformance0-100, top speedConsumptionAnnual TCO

Annual mileage

15 000 km/an

5 000 km50 000 km

Simulated driving mix

Drag anywhere on the bar to adjust

Fuel price

Petrol 95 : 1,99 €/L·Diesel : 1,75 €/L

Annual energy cost · 15 000 km

Typical annual usage : Mix 30% city / 50% road / 20% motorway

PorschePetrol

Boxster Spyder 987

Annual energy cost · 15 000 km

3 877€

25,85 € / 100 km

Equivalent to 1 948 L of petrol 95 per year

Weighted consumption
13,0 L/100km
Fuel price
1,99 €/L
Fuel used
1948,4 L per year
PorschePetrolMost economical

Boxster 981

Annual energy cost · 15 000 km

3 722€

24,81 € / 100 km

Equivalent to 1 870 L of petrol 95 per year

Weighted consumption
12,5 L/100km
Fuel price
1,99 €/L
Fuel used
1870,2 L per year
Annual gap Boxster vs Boxster Spyder+156 €/an≈ 78 L petrol 95

Porsche Boxster 981 costs 156 €/an less in energy than Porsche Boxster Spyder 987, over 15 000 km for this driving mix.

≈ 78 L of petrol 95 saved per year

Your savings over the ownership period

Cumulative projection by annual mileage. The cheaper-to-run vehicle widens the gap year after year.

Annual mileage

15 000 km/an

1 year

156 €

≈ 78 L petrol 95

3 years

467 €

≈ 235 L petrol 95

5 years

778 €

≈ 391 L petrol 95

10 years

1 557 €

≈ 782 L petrol 95

Cumulative savings for Porsche Boxster 981 versus Porsche Boxster Spyder 987. Excluding purchase, insurance, maintenance and depreciation.

Annual fuel cost breakdown

Projection over 15 000 km/year.

Porsche

Boxster Spyder 987

Fuelkm/year€/kmAnnual cost
Annual fuel1,99 €/L15 000 km0,258 €/km3 877 €
Porsche

Boxster 981

Fuelkm/year€/kmAnnual cost
Annual fuel1,99 €/L15 000 km0,248 €/km3 722 €

Other similar comparisons

BmwVSPorsche

Z4 M40i vs Boxster Spyder

PorscheVSBmw

Boxster vs Z4 sDrive30i

BmwVSPorsche

Z4 M40i vs Boxster Spyder

PorscheVSBmw

Boxster vs Z4 sDrive30i

Frequently asked questions

On a 100 km mixed trip, the Porsche Boxster Spyder and Porsche Boxster have a near-identical cost per km with default parameters. The gap becomes significant once you enter your actual energy prices.

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