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BMW M8 Competition Coupe F92 vs Porsche Boxster S

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

limousine · 2021 vs 2012 · Paris → Marseille · 775 km · 130 km/h
BMWPetrolPlus rapide

M8 Competition Coupe F92

625 ch · 2021

VS
PorschePetrol

Boxster S

314 ch · 2012

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

Result · total trip time

ABMW M8 Competition Coupe F92

7h06charging included

1 stop · 134.54 €

Gap10 minin favour of M8 Competition Coupe
BPorsche Boxster S

7h16charging included

3 stops · 437.25 €

Paris → Marseille · 130 km/h · Caralogy simulation
MeasureM8 Competition Coupe F92Boxster SGap
Total time7h067h1610 min · M8 Competition Coupe F92
Charging stops1 stop3 stops2 stops · M8 Competition Coupe F92
Cost of energy used134.54 €437.25 €302.71 € · M8 Competition Coupe F92

Visualise the trip

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

BMWPetrolFastest
M8 Competition Coupe F92
100%
765 km
Range
Paris
0 km · departure
Refuel 1
5 min · +61 L · 132.80 €
Marseille
775 km · Arrival 7h06
1
Stops
7h06
Duration
134.54 €
Cost of energy used
PorschePetrol
Boxster S
100%
221 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 €
Marseille
775 km · Arrival 7h16
3
Stops
7h16
Duration
437.25 €
Cost of energy used

The 10-minute lead of the M8 Competition Coupe F92 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 M8 Competition Coupe F92 versus 3 stops totalling 15 min for the Boxster S.

Motorway consumption: the Caralogy methodology

The official WLTP figures (11,2 L/100km for M8 Competition Coupe F92 and 10,7 L/100km for Boxster S) 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 8,0 L/100km (M8 Competition Coupe F92) and 26,0 L/100km (Boxster S). 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.

BMW M8 Competition Coupe F92

SegmentEnergy usedDistanceConsumption€/kmCost (€)
Paris → Aix-en-Provence, A7fuel · 2.17 €/L765 km61 L consumed0.174 €/km132.80 €
Aix-en-Provence, A7 → Marseillefuel · 2.17 €/L10 km1 L consumed0.174 €/km1.74 €
Trip total134.54 €

Porsche Boxster S

SegmentEnergy usedDistanceConsumption€/kmCost (€)
Paris → Beaune, A6fuel · 2.17 €/L221 km58 L consumed0.565 €/km124.94 €
Beaune, A6 → Limonest, A6fuel · 2.17 €/L221 km58 L consumed0.565 €/km124.94 €
Limonest, A6 → Manosque, A51fuel · 2.17 €/L221 km58 L consumed0.565 €/km124.94 €
Manosque, A51 → Marseillefuel · 2.17 €/L111 km29 L consumed0.562 €/km62.43 €
Trip total437.25 €

What produces these figures

WLTP combined consumption
11.2 L/100 km · 10.7 L/100 km
Fuel tank
68 L · 64.0 L

Compare with another vehicle

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

BMWPetrol

M8 Competition Coupe F92

625 ch · 2021

PorschePetrol

Boxster S

314 ch · 2012

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Frequently asked questions

On Paris → Marseille (775 km at 130 km/h), the M8 Competition Coupe F92 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 134.54 € (M8 Competition Coupe F92) and 437.25 € (Boxster S). For reference, an equivalent Mercedes S 450 (~9.0 L/100 km) would cost about 129 € in fuel.