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  • Specs718 · Panamera

Porsche 718 Cayman GT4 vs Porsche Panamera

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

sports car · 2020 vs 2018 · Paris → Marseille · 775 km · 130 km/h
PorschePetrolPlus rapide

718 Cayman GT4

420 ch · 2020

VS
PorschePetrol

Panamera

335 ch · 2018

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

Result · total trip time

APorsche 718 Cayman GT4

7h06charging included

1 stop · 194.24 €

Gap10 minin favour of 718 Cayman GT4
BPorsche Panamera

7h16charging included

3 stops · 141.27 €

Paris → Marseille · 130 km/h · Caralogy simulation
Measure718 Cayman GT4PanameraGap
Total time7h067h1610 min · 718 Cayman GT4
Charging stops1 stop3 stops2 stops · 718 Cayman GT4
Cost of energy used194.24 €141.27 €52.97 € · Panamera

Visualise the trip

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

PorschePetrolFastest
718 Cayman GT4
100%
498 km
Range
Paris
0 km · departure
Refuel 1
5 min · +58 L · 124.94 €
Marseille
775 km · Arrival 7h06
1
Stops
7h06
Duration
194.24 €
Cost of energy used
PorschePetrol
Panamera
100%
254 km
Range
Paris
0 km · departure
Refuel 1
5 min · +21 L · 46.29 €
Refuel 2
5 min · +21 L · 46.29 €
Refuel 3
5 min · +21 L · 46.29 €
Marseille
775 km · Arrival 7h16
3
Stops
7h16
Duration
141.27 €
Cost of energy used

The 10-minute lead of the 718 Cayman GT4 does not come from driving speed, but from 2 fewer charging stops on this route (1 vs 3).

Both vehicles drove at 130 km/h for the entire trip. The gap is built at the stops: 1 stop of 5 min for the 718 Cayman GT4 versus 3 stops totalling 15 min for the Panamera.

Motorway consumption: the Caralogy methodology

The official WLTP figures (11,0 L/100km for 718 Cayman GT4 and 9,8 L/100km for Panamera) 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 11,6 L/100km (718 Cayman GT4) and 8,4 L/100km (Panamera). 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 718 Cayman GT4

SegmentEnergy usedDistanceConsumption€/kmCost (€)
Paris → Valence, A7fuel · 2.17 €/L498 km58 L consumed0.251 €/km124.94 €
Valence, A7 → Marseillefuel · 2.17 €/L277 km32 L consumed0.250 €/km69.30 €
Trip total194.24 €

Porsche Panamera

SegmentEnergy usedDistanceConsumption€/kmCost (€)
Paris → Beaune, A6fuel · 2.17 €/L254 km21 L consumed0.182 €/km46.29 €
Beaune, A6 → Valence, A7fuel · 2.17 €/L254 km21 L consumed0.182 €/km46.29 €
Valence, A7 → Aix-en-Provence, A7fuel · 2.17 €/L254 km21 L consumed0.182 €/km46.29 €
Aix-en-Provence, A7 → Marseillefuel · 2.17 €/L13 km1 L consumed0.185 €/km2.41 €
Trip total141.27 €

What produces these figures

WLTP combined consumption
11.0 L/100 km · 9.8 L/100 km
Fuel tank
64.0 L · 23.7 L

Compare with another vehicle

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

PorschePetrol

718 Cayman GT4

420 ch · 2020

PorschePetrol

Panamera

335 ch · 2018

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Frequently asked questions

On Paris → Marseille (775 km at 130 km/h), the 718 Cayman GT4 arrives in 7h06 with 1 fuel stop.

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 194.24 € (718 Cayman GT4) and 141.27 € (Panamera). For reference, an equivalent BMW M340i (~9.5 L/100 km) would cost about 136 € in fuel.