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Porsche 911 Carrera 4 991.1 vs Porsche Boxster

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

sports car · 2013 vs 2013 · Paris → Marseille · 775 km · 130 km/h
PorschePetrolPlus rapide

911 Carrera 4 991.1

355 ch · 2013

VS
PorschePetrol

Boxster

269 ch · 2013

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

Result · total trip time

APorsche 911 Carrera 4 991.1

7h06charging included

1 stop · 146.31 €

Gap15 minin favour of 911 Carrera 4
BPorsche Boxster

7h21charging included

4 stops · 504.52 €

Paris → Marseille · 130 km/h · Caralogy simulation
Measure911 Carrera 4 991.1BoxsterGap
Total time7h067h2115 min · 911 Carrera 4 991.1
Charging stops1 stop4 stops3 stops · 911 Carrera 4 991.1
Cost of energy used146.31 €504.52 €358.21 € · 911 Carrera 4 991.1

Visualise the trip

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

PorschePetrolFastest
911 Carrera 4 991.1
100%
705 km
Range
Paris
0 km · departure
Refuel 1
5 min · +61 L · 133.07 €
Marseille
775 km · Arrival 7h06
1
Stops
7h06
Duration
146.31 €
Cost of energy used
PorschePetrol
Boxster
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

The 15-minute lead of the 911 Carrera 4 991.1 does not come from driving speed, but from 3 fewer charging stops on this route (1 vs 4).

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 911 Carrera 4 991.1 versus 4 stops totalling 20 min for the Boxster.

Motorway consumption: the Caralogy methodology

The official WLTP figures (10,7 L/100km for 911 Carrera 4 991.1 and 9,8 L/100km for Boxster) 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 8,7 L/100km (911 Carrera 4 991.1) and 30,0 L/100km (Boxster). 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 911 Carrera 4 991.1

SegmentEnergy usedDistanceConsumption€/kmCost (€)
Paris → Manosque, A51fuel · 2.17 €/L705 km61 L consumed0.189 €/km133.07 €
Manosque, A51 → Marseillefuel · 2.17 €/L70 km6 L consumed0.189 €/km13.24 €
Trip total146.31 €

Porsche Boxster

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 €

What produces these figures

WLTP combined consumption
10.7 L/100 km · 9.8 L/100 km
Fuel tank
68.1 L · 64.0 L

Compare with another vehicle

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

PorschePetrol

911 Carrera 4 991.1

355 ch · 2013

PorschePetrol

Boxster

269 ch · 2013

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Frequently asked questions

On Paris → Marseille (775 km at 130 km/h), the 911 Carrera 4 991.1 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 146.31 € (911 Carrera 4 991.1) and 504.52 € (Boxster). For reference, an equivalent BMW M340i (~9.5 L/100 km) would cost about 136 € in fuel.