Skip to main content
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
FRENDEESIT
© 2026 Caralogy · All rights reserved
  1. Home
  2. /Consumption
  3. /large SUV
CayennevsBoxsterPetrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsCayenne · Boxster

Porsche Cayenne S vs Porsche Boxster Spyder: 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.

large SUV · 2011 vs 2016 · 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 Cayenne S

4,232 €per year

13,0 L/100 km weighted · 28.21 € per 100 km · 1 950 L per year

Gap394 € per yearin favour of the Boxster Spyder (−9 %)≈ 182 L petrol 95
BPorsche Boxster Spyder

3,838 €per year

11,8 L/100 km weighted · 25.58 € per 100 km · 1 769 L per year

The verdict changes with your usage
ProfileSplitAA · CayenneBB · BoxsterGap
City70 / 25 / 570 % city · 25 % road · 5 % motorway4,573 €4,105 €469 € · Boxster
Mixed30 / 50 / 2030 % city · 50 % road · 20 % motorway4,232 €3,838 €394 € · Boxster
Long-distance10 / 40 / 5010 % city · 40 % road · 50 % motorway3,899 €3,558 €342 € · Boxster

Cumulative saving for the Boxster Spyder

1 year
394 €
3 years
1,182 €
5 years
1,969 €
10 years
3,939 €

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

What produces these figures

WLTP combined
12.9 L/100 km · 11.8 L/100 km
Powertrain
Combustion · Combustion
Power
400 ch · 375 ch
Kerb weight
2,065 kg · 1,315 kg

Other similar comparisons

PorscheVSAudi

Cayenne S vs Q7 SUV

gap 955 €/year
PorscheVSBMW

Boxster Spyder vs Z4 M40i

gap 1 766 €/year
PorscheVSAudi

Cayenne S vs Q7 SUV

gap 1 012 €/year
PorscheVSBMW

Boxster Spyder vs Z4 M40i

gap 1 836 €/year

Frequently asked questions

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

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