XpengBEV
G9
543 ch · 91 kWh · 2024
Motorway range comparison
Trip mapped at a glance. Charging stops visible, total duration predictable. Caralogy simulation at 130 km/h.
Paris → Marseille · 130 km/h · Caralogy simulation
| G9 | S 450 e Saloon W223 | |
|---|---|---|
| Total time | 7h27 | 7h06−21 min |
| Charging stops | 3 stops | 1 stop−2 stops |
| Total cost | 84,66 €−58,28 € | 142,94 € |
Both vehicles drive at 130 km/h. The difference comes from charging stops.
Analysis
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 S 450 e Saloon W223 versus 3 stops totalling 26 min for the G9.
The official WLTP figures (20,2 kWh/100km for G9 and 18,0 kWh/100km for S 450 e Saloon W223) 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 25,3 kWh/100km (G9) and 10,1 L/100km (S 450 e Saloon W223). Full methodology: see the dedicated button above the summary.
A Peugeot 3008 1.2 PureTech 130 (equivalent segment) consumes about 7,8 L/100km on the motorway at 130 km/h. At 1,9 €/L, this Paris → Marseille trip would cost ~112 €. That is 1,3× the electric cost of the G9 and 0,8× that of the S 450 e Saloon W223. The gap narrows in winter but never reverses.
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.
| Segment | Distance | €/km | Cost |
|---|---|---|---|
| Paris → Tournus, A6initial energy charged at home · 0,20 €/kWh | 324 km82 kWh consumed | 0,051 €/km | 16,39 € |
| Tournus, A6 → Limonest, A6energy charged at Ionity 273 kW · 0,60 €/kWh | 144 km36 kWh consumed | 0,152 €/km | 21,84 € |
| Limonest, A6 → Montélimar, A7energy charged at Ionity 273 kW · 0,60 €/kWh | 144 km36 kWh consumed | 0,152 €/km | 21,84 € |
| Montélimar, A7 → Marseilleenergy charged at Ionity 265 kW · 0,60 €/kWh | 162 km41 kWh consumed | 0,152 €/km | 24,59 € |
| Trip total | 84,66 € | ||
| Segment | Distance | €/km | Cost |
|---|---|---|---|
| Paris → Manosque, A51initial energy charged at home · 0,20 €/kWh | 95 km17 kWh consumed | 0,036 €/km | 3,42 € |
| Paris → Manosque, A51fuel · 2,03 €/L | 598 km60 L consumed | 0,205 €/km | 122,59 € |
| Manosque, A51 → Marseillefuel · 2,03 €/L | 82 km8 L consumed | 0,206 €/km | 16,93 € |
| Trip total | 142,94 € | ||
How many kilometres do you recover depending on the time spent at the charger? Comparison at nominal peak power.
| Charging stop duration | Xpeng G9 | Mercedes S 450 e Saloon W223 |
|---|---|---|
| 5 minutes | ~69 km | - |
| 10 minutes | ~139 km | - |
| 20 minutes | ~277 km | - |
| Full session 10 → 80 % | ~252 km20 min | - |
Replace one of the two with an alternative from the same segment
543 ch · 91 kWh · 2024
435 ch · 22 kWh · 2026
The advantage comes from the combo real range + charging speed. On Paris → Marseille (775 km at 130 km/h), the S 450 e Saloon W223 arrives in 7h06 with 1 charging 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.
Electric: 84,66 € (G9) and 142,94 € (S 450 e Saloon W223). An equivalent petrol SUV (~8 L/100 km) would cost about 115 € in motorway fuel. Electric costs less in energy but adds charging stops.