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AModelBEVvsBCayennePetrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsModel · Cayenne

Tesla Model X Long Range vs Porsche Cayenne GTS

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

large SUV · 2020 vs 2016 · Paris → Marseille · 775 km · 130 km/h
TeslaBEV

Model X Long Range

670 ch · 100 kWh · 2020

VS
PorschePetrolPlus rapide

Cayenne GTS

440 ch · 2016

Simulation trip
Assumptions: 130 km/h · start 100 % · mild weather

Result · total trip time

ATesla Model X Long Range

7h22charging included

2 stops · 63.38 €

Gap1 minin favour of Cayenne GTS
BPorsche Cayenne GTS

7h21charging included

4 stops · 241.75 €

Paris → Marseille · 130 km/h · Caralogy simulation
MeasureModel X Long RangeCayenne GTSGap
Total time7h227h211 min · Cayenne GTS
Charging stops2 stops4 stops2 stops · Model X Long Range
Cost of energy used63.38 €241.75 €178.37 € · Model X Long Range

Visualise the trip

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

TeslaBEV
Model X Long Range
100%
468 km
Range
Paris
0 km · departure
Charge 1
10 min · +40 kWh · 24.00 €
Charge 2
11 min · +42 kWh · 25.22 €
Marseille
775 km · Arrival 7h22
2
Stops
7h22
Duration
63.38 €
Cost of energy used
PorschePetrolFastest
Cayenne GTS
100%
165 km
Range
Paris
0 km · departure
Refuel 1
5 min · +24 L · 51.56 €
Refuel 2
5 min · +24 L · 51.56 €
Refuel 3
5 min · +24 L · 51.56 €
Refuel 4
5 min · +24 L · 51.56 €
Marseille
775 km · Arrival 7h21
4
Stops
7h21
Duration
241.75 €
Cost of energy used

Very close result: less than one minute apart on this route. Both vehicles are evenly matched on the motorway over this distance.

Both vehicles drove at 130 km/h for the entire trip. The Cayenne GTS (combustion) makes 4 stops totalling 20 min, the Model X Long Range (electric) 2 stops totalling 21 min. Road safety reminder: on a trip of this duration, it is recommended to stop for at least 51 min total (17 min every 2h). The energy cost is 63,38 € for Model X Long Range versus 241,75 € for Cayenne GTS.

Motorway consumption: the Caralogy methodology

The official WLTP figures (22,6 kWh/100km for Model X Long Range and 11,5 L/100km for Cayenne GTS) 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 21,4 kWh/100km (Model X Long Range) and 14,4 L/100km (Cayenne GTS). Full methodology: see the assumptions below the controls.

What about a 200 km round trip?

On a 200 km round trip (e.g. a weekend getaway), the electric or plug-in hybrid vehicle completes the entire journey on home energy at 0.20 €/kWh - with no charging stop. The time advantage of the combustion car on long-distance motorways disappears entirely, and the economic advantage of electric strengthens considerably.

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.

Tesla Model X Long Range

SegmentEnergy usedDistanceConsumption€/kmCost (€)
Paris → Limonest, A6initial energy charged at home · 0.20 €/kWh421 km90 kWh consumed0.043 €/km18.01 €
Limonest, A6 → Montélimar, A7energy charged at Supercharger 240 kW · 0.60 €/kWh187 km40 kWh consumed0.128 €/km24.00 €
Montélimar, A7 → Marseilleenergy charged at Supercharger 229 kW · 0.60 €/kWh167 km36 kWh consumed0.128 €/km21.37 €
Trip total63.38 €

Porsche Cayenne GTS

SegmentEnergy usedDistanceConsumption€/kmCost (€)
Paris → Auxerre, A6fuel · 2.17 €/L165 km24 L consumed0.312 €/km51.56 €
Auxerre, A6 → Tournus, A6fuel · 2.17 €/L165 km24 L consumed0.312 €/km51.56 €
Tournus, A6 → Valence, A7fuel · 2.17 €/L165 km24 L consumed0.312 €/km51.56 €
Valence, A7 → Manosque, A51fuel · 2.17 €/L165 km24 L consumed0.312 €/km51.56 €
Manosque, A51 → Marseillefuel · 2.17 €/L114 km16 L consumed0.312 €/km35.51 €
Trip total241.75 €

Range recovered by stop duration

How many kilometres do you recover depending on the time spent at the charger? Comparison at nominal peak power.
Charging stop durationTesla Model X Long RangePorsche Cayenne GTS
5 minutes~68 km-
10 minutes~136 km-
20 minutes~273 km-
Full session 10 → 80 %~328 km · 26 min-

What produces these figures

WLTP combined consumption
22.6 kWh/100 km · 11.5 L/100 km

Compare with another vehicle

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

TeslaBEV

Model X Long Range

670 ch · 100 kWh · 2020

PorschePetrol

Cayenne GTS

440 ch · 2016

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Frequently asked questions

The advantage comes from the combo real range + charging speed. On Paris → Marseille (775 km at 130 km/h), the Cayenne GTS arrives in 7h21 with 4 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 63.38 € (Model X Long Range) and 241.75 € (Cayenne GTS). For reference, an equivalent Peugeot 3008 1.2 PureTech 130 (~7.8 L/100 km) would cost about 112 € in fuel.