MercedesBEV
GLC 400 4MATIC X254
489 ch · 94 kWh · 2025
Trip mapped at a glance. Charging stops visible, total duration predictable. Caralogy simulation at 130 km/h.
| Measure | GLC 400 4MATIC X254 | I-PACE EV400 | Gap |
|---|---|---|---|
| Total time | 7h11 | 7h54 | 43 min · GLC 400 4MATIC X254 |
| Charging stops | 1 stop | 3 stops | 2 stops · GLC 400 4MATIC X254 |
| Cost of energy used | 42.89 € | 74.14 € | 31.25 € · GLC 400 4MATIC X254 |
Both vehicles drove at 130 km/h for the entire trip. The gap is built at the stops: 1 stop of 10 min for the GLC 400 4MATIC X254 versus 3 stops totalling 53 min for the I-PACE EV400.
The official WLTP figures (13,2 kWh/100km for GLC 400 4MATIC X254 and 18,0 kWh/100km for I-PACE EV400) 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 16,5 kWh/100km (GLC 400 4MATIC X254) and 22,5 kWh/100km (I-PACE EV400). Full methodology: see the assumptions below the controls.
During the 10 minutes of charging for the GLC 400 4MATIC X254, range recovers by 292 km. During the 53 cumulative minutes for the I-PACE EV400, range recovers by 466 km. Per minute: the GLC 400 4MATIC X254 recovers 3,3× faster. At this rate, the charging stop blends into the trip rhythm - just enough time for a coffee. At a lower rate, it dictates the pace.
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 2,6× the electric cost of the GLC 400 4MATIC X254 and 1,5× that of the I-PACE EV400. The gap narrows in winter but never reverses.
| Segment | Energy used | Distance | Consumption | €/km | Cost (€) |
|---|---|---|---|---|---|
| Paris → Valence, A7 | initial energy charged at home · 0.20 €/kWh | 513 km | 85 kWh consumed | 0.033 €/km | 16.93 € |
| Valence, A7 → Marseille | energy charged at Ionity 289 kW · 0.60 €/kWh | 262 km | 43 kWh consumed | 0.099 €/km | 25.96 € |
| Trip total | 42.89 € |
| Segment | Energy used | Distance | Consumption | €/km | Cost (€) |
|---|---|---|---|---|---|
| Paris → Tournus, A6 | initial energy charged at home · 0.20 €/kWh | 339 km | 76 kWh consumed | 0.045 €/km | 15.25 € |
| Tournus, A6 → Valence, A7 | energy charged at Ionity 120 kW · 0.60 €/kWh | 151 km | 34 kWh consumed | 0.135 €/km | 20.33 € |
| Valence, A7 → Montélimar, A7 | energy charged at Ionity 120 kW · 0.60 €/kWh | 151 km | 34 kWh consumed | 0.135 €/km | 20.33 € |
| Montélimar, A7 → Marseille | energy charged at Ionity 117 kW · 0.60 €/kWh | 135 km | 30 kWh consumed | 0.135 €/km | 18.23 € |
| Trip total | 74.14 € |
| Charging stop duration | Mercedes GLC 400 4MATIC X254 | Jaguar I-PACE EV400 |
|---|---|---|
| 5 minutes | ~117 km | - |
| 10 minutes | ~233 km | - |
| 20 minutes | ~467 km | - |
| Full session 10 → 80 % | ~399 km · 18 min | - |
Replace one of the two with an alternative from the same segment
489 ch · 94 kWh · 2025
400 ch · 84.7 kWh · 2019
The advantage comes from the combo real range + charging speed. On Paris → Marseille (775 km at 130 km/h), the GLC 400 4MATIC X254 arrives in 7h11 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: 42,89 € (GLC 400 4MATIC X254) and 74,14 € (I-PACE EV400). An equivalent Peugeot 3008 1.2 PureTech 130 (~7,8 L/100 km) would cost about 112 € in motorway fuel. Electric costs less in energy but adds charging stops.