AudiPHEV
Q7 SUV
394 ch · 22 kWh · 2025
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
| Q7 SUV | 520i G30 | |
|---|---|---|
| Total time | 7h06 | 7h01−5 min |
| Charging stops | 1 stop | 0 stops−1 stop |
| Total cost | 179,99 € | 83,28 €−96,71 € |
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 520i G30 (combustion) makes no stop, the Q7 SUV (plug-in hybrid) 1 stop of 5 min. Road safety reminder: on a trip of this duration, it is recommended to stop for at least 51 min total (17 min every 2h). The energy cost is 179,99 € for Q7 SUV versus 83,28 € for 520i G30.
The official WLTP figures (28,6 kWh/100km for Q7 SUV and 6,0 L/100km for 520i G30) 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 12,6 L/100km (Q7 SUV) and 5,4 L/100km (520i G30). Full methodology: see the dedicated button above the summary.
On a 200 km round trip (e.g. a weekend getaway), the electric or plug-in hybrid vehicle completes the entire journey on home energy at 0.18 €/kWh - with no charging stop. The time advantage of the combustion car on long-distance motorways disappears entirely, and the economic advantage of electric strengthens considerably.
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 → Montélimar, A7initial energy charged at home · 0,21 €/kWh | 77 km22 kWh consumed | 0,060 €/km | 4,62 € |
| Paris → Montélimar, A7fuel · 1,99 €/L | 535 km68 L consumed | 0,251 €/km | 134,32 € |
| Montélimar, A7 → Marseillefuel · 1,99 €/L | 163 km21 L consumed | 0,252 €/km | 41,04 € |
| Trip total | 179,99 € | ||
| Segment | Distance | €/km | Cost |
|---|---|---|---|
| Paris → Marseillefuel · 1,99 €/L | 775 km42 L consumed | 0,107 €/km | 83,28 € |
| Trip total | 83,28 € | ||
Replace one of the two with an alternative from the same segment
394 ch · 22 kWh · 2025
184 ch · 2018
On Paris → Marseille (775 km at 130 km/h), the 520i G30 arrives in 7h01 with 0 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: 179,99 € (Q7 SUV) and 83,28 € (520i G30). An equivalent petrol SUV (~8 L/100 km) would cost about 115 € in motorway fuel. Electric costs less in energy but adds charging stops.