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AiXBEVvsB420dDiesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsiX · 420d

BMW iX xDrive40 vs BMW 420d F32

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

large SUV · 2021 vs 2020 · Paris → Marseille · 775 km · 130 km/h
BMWBEV

iX xDrive40

326 ch · 76.6 kWh · 2021

VS
BMWDieselPlus rapide

420d F32

190 ch · 2020

Simulation trip
Assumptions: 130 km/h · start 100 % · mild weather

Result · total trip time

ABMW iX xDrive40

8h21charging included

5 stops · 96.24 €

Gap80 minin favour of 420d
BBMW 420d F32

7h01no stop

0 stops · 65.59 €

Paris → Marseille · 130 km/h · Caralogy simulation
MeasureiX xDrive40420d F32Gap
Total time8h217h0180 min · 420d F32
Charging stops5 stops0 stops5 stops · 420d F32
Cost of energy used96.24 €65.59 €30.65 € · 420d F32

Visualise the trip

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

BMWBEV
iX xDrive40
100%
288 km
Range
Paris
0 km · departure
Charge 1
17 min · +31 kWh · 18.38 €
Charge 2
17 min · +31 kWh · 18.38 €
Charge 3
17 min · +31 kWh · 18.38 €
Charge 4
17 min · +31 kWh · 18.38 €
Charge 5
13 min · +23 kWh · 13.70 €
Marseille
775 km · Arrival 8h21
5
Stops
8h21
Duration
96.24 €
Cost of energy used
BMWDieselFastest
420d F32
100%
1513 km
Range
Paris
0 km · departure
Marseille
775 km · Arrival 7h01
0
Stops
7h01
Duration
65.59 €
Cost of energy used

The 80-minute lead of the 420d F32 (combustion) comes from not needing a charging stop: no stop versus 5 stops totalling 80 min for the iX xDrive40 (electric).

Both vehicles drove at 130 km/h for the entire trip. The 420d F32 (combustion) makes no stop, the iX xDrive40 (electric) 5 stops totalling 80 min. Road safety reminder: on a trip of this duration, it is recommended to stop for at least 68 min total (17 min every 2h). The energy cost is 96,24 € for iX xDrive40 versus 65,59 € for 420d F32.

Motorway consumption: the Caralogy methodology

The official WLTP figures (21,3 kWh/100km for iX xDrive40 and 4,2 L/100km for 420d F32) 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 26,6 kWh/100km (iX xDrive40) and 3,9 L/100km (420d F32). Full methodology: see the assumptions below the controls.

What about a 200 km round trip?

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 0.20 €/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.

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 iX xDrive40

SegmentEnergy usedDistanceConsumption€/kmCost (€)
Paris → Beaune, A6initial energy charged at home · 0.20 €/kWh259 km69 kWh consumed0.053 €/km13.79 €
Beaune, A6 → Tournus, A6energy charged at Ionity 108 kW · 0.60 €/kWh115 km31 kWh consumed0.160 €/km18.38 €
Tournus, A6 → Valence, A7energy charged at Ionity 108 kW · 0.60 €/kWh115 km31 kWh consumed0.160 €/km18.38 €
Valence, A7 → Montélimar, A7energy charged at Ionity 108 kW · 0.60 €/kWh115 km31 kWh consumed0.160 €/km18.38 €
Montélimar, A7 → Manosque, A51energy charged at Ionity 108 kW · 0.60 €/kWh115 km31 kWh consumed0.160 €/km18.38 €
Manosque, A51 → Marseilleenergy charged at Ionity 105 kW · 0.60 €/kWh56 km15 kWh consumed0.159 €/km8.91 €
Trip total96.24 €

BMW 420d F32

SegmentEnergy usedDistanceConsumption€/kmCost (€)
Paris → Marseillefuel · 2.17 €/L775 km30 L consumed0.085 €/km65.59 €
Trip total65.59 €

Range recovered by stop duration

How many kilometres do you recover depending on the time spent at the charger? Comparison at nominal peak power.
Charging stop durationBMW iX xDrive40BMW 420d F32
5 minutes--
10 minutes--
20 minutes--
Full session 10 → 80 %--

What produces these figures

WLTP combined consumption
21.3 kWh/100 km · 4.2 L/100 km

Compare with another vehicle

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

BMWBEV

iX xDrive40

326 ch · 76.6 kWh · 2021

BMWDiesel

420d F32

190 ch · 2020

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S60 B4 vs 420d

Frequently asked questions

The advantage comes from the combo real range + charging speed. On Paris → Marseille (775 km at 130 km/h), the 420d F32 arrives in 7h01 with 0 fuel stops.

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 96.24 € (iX xDrive40) and 65.59 € (420d F32). For reference, an equivalent Peugeot 3008 1.2 PureTech 130 (~7.8 L/100 km) would cost about 112 € in fuel.