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. /Motorway
  3. /sports car
ACaymanPetrolvsBCayenneDiesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsCayman · Cayenne

Porsche Cayman vs Porsche Cayenne Diesel

Trip mapped at a glance. Charging stops visible, total duration predictable. Caralogy simulation at 130 km/h.

sports car · 2014 vs 2015 · Paris → Marseille · 775 km · 130 km/h
PorschePetrol

Cayman

279 ch · 2014

VS
PorscheDieselPlus rapide

Cayenne Diesel

262 ch · 2015

Simulation trip
Assumptions: 130 km/h · start réservoir plein · mild weather

Result · total trip time

APorsche Cayman

7h21charging included

4 stops · 504.52 €

Gap10 minin favour of Cayenne Diesel
BPorsche Cayenne Diesel

7h11charging included

2 stops · 136.22 €

Paris → Marseille · 130 km/h · Caralogy simulation
MeasureCaymanCayenne DieselGap
Total time7h217h1110 min · Cayenne Diesel
Charging stops4 stops2 stops2 stops · Cayenne Diesel
Cost of energy used504.52 €136.22 €368.30 € · Cayenne Diesel

Visualise the trip

Both vehicles drive at 130 km/h. The difference comes from charging stops.

PorschePetrol
Cayman
100%
192 km
Range
Paris
0 km · departure
Refuel 1
5 min · +58 L · 124.94 €
Refuel 2
5 min · +58 L · 124.94 €
Refuel 3
5 min · +58 L · 124.94 €
Refuel 4
5 min · +58 L · 124.94 €
Marseille
775 km · Arrival 7h21
4
Stops
7h21
Duration
504.52 €
Cost of energy used
PorscheDieselFastest
Cayenne Diesel
100%
293 km
Range
Paris
0 km · departure
Refuel 1
5 min · +24 L · 51.56 €
Refuel 2
5 min · +24 L · 51.56 €
Marseille
775 km · Arrival 7h11
2
Stops
7h11
Duration
136.22 €
Cost of energy used

The 10-minute lead of the Cayenne Diesel does not come from driving speed, but from 2 fewer charging stops on this route (2 vs 4).

Both vehicles drove at 130 km/h for the entire trip. The gap is built at the stops: 2 stops totalling 10 min for the Cayenne Diesel versus 4 stops totalling 20 min for the Cayman.

Motorway consumption: the Caralogy methodology

The official WLTP figures (9,7 L/100km for Cayman and 10,2 L/100km for Cayenne Diesel) are measured on a mixed cycle averaging ~46 km/h. At a steady 130 km/h, aerodynamic drag weighs much more heavily - it grows with the square of speed. Caralogy calculates a motorway consumption specific to each vehicle based on its aerodynamic profile (SCx), weight and power curve - not a uniform correction factor. For this trip, the simulation yields 30,0 L/100km (Cayman) and 8,1 L/100km (Cayenne Diesel). Full methodology: see the assumptions below the controls.

Energy cost breakdown for your trip Paris → Marseille

The cost per kilometre depends on the electricity rate applied to each segment - based on the energy source used at that point of the trip.

Porsche Cayman

SegmentEnergy usedDistanceConsumption€/kmCost (€)
Paris → Auxerre, A6fuel · 2.17 €/L192 km58 L consumed0.651 €/km124.94 €
Auxerre, A6 → Limonest, A6fuel · 2.17 €/L192 km58 L consumed0.651 €/km124.94 €
Limonest, A6 → Montélimar, A7fuel · 2.17 €/L192 km58 L consumed0.651 €/km124.94 €
Montélimar, A7 → Aix-en-Provence, A7fuel · 2.17 €/L192 km58 L consumed0.651 €/km124.94 €
Aix-en-Provence, A7 → Marseillefuel · 2.17 €/L7 km2 L consumed0.681 €/km4.76 €
Trip total504.52 €

Porsche Cayenne Diesel

SegmentEnergy usedDistanceConsumption€/kmCost (€)
Paris → Tournus, A6fuel · 2.17 €/L293 km24 L consumed0.176 €/km51.56 €
Tournus, A6 → Montélimar, A7fuel · 2.17 €/L293 km24 L consumed0.176 €/km51.56 €
Montélimar, A7 → Marseillefuel · 2.17 €/L188 km15 L consumed0.176 €/km33.10 €
Trip total136.22 €

What produces these figures

WLTP combined consumption
9.7 L/100 km · 10.2 L/100 km
Fuel tank
64.0 L · 26.4 L

Compare with another vehicle

Replace one of the two with an alternative from the same segment

PorschePetrol

Cayman

279 ch · 2014

PorscheDiesel

Cayenne Diesel

262 ch · 2015

Other duels you might be interested in

PorscheVSBMW

Cayman vs Z4 sDrive30i

BMWVSPorsche

X5 xDrive30d vs Cayenne Diesel

PorscheVSBMW

Cayman vs Z4 sDrive30i

PorscheVSBMW

Cayenne Diesel vs X6 xDrive30d

Frequently asked questions

On Paris → Marseille (775 km at 130 km/h), the Cayenne Diesel arrives in 7h11 with 2 fuel stops.

WLTP consumption does not reflect motorway reality. Aerodynamic drag grows with the square of speed, so real consumption is 15 to 25 % higher than WLTP combined. Caralogy calculates a highway consumption specific to each vehicle based on its aerodynamic profile (SCx), weight and power curve.

Total time = driving time + charging time. Driving time is calculated at an average speed of 130 km/h on the motorway (adjustable). Charging time is calculated based on the real power curve of each vehicle, respecting the optimal 10 → 80 % range and the maximum power accepted by the chargers on the route.

No. The displayed cost covers only the energy consumed during the trip: kWh × energy rate, with a mix of home charging and DC fast chargers. Battery wear is a long-term ownership cost, not a trip cost.

On this trip, the energy used costs 504.52 € (Cayman) and 136.22 € (Cayenne Diesel). For reference, an equivalent BMW M340i (~9.5 L/100 km) would cost about 136 € in fuel.