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ASPHEVvsBiX3BEV
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  • SpecsS · iX3

Mercedes S 580 e 4MATIC W223 vs BMW iX3 G08

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

limousine · 2026 vs 2020 · Paris → Marseille · 775 km · 130 km/h
MercedesPHEVPlus rapide

S 580 e 4MATIC W223

585 ch · 22 kWh · 2026

VS
BMWBEV

iX3 G08

286 ch · 74 kWh · 2020

Simulation trip

Paris → Marseille · 130 km/h · Caralogy simulation

S 580 e 4MATIC W223iX3 G08
Total time7h06−67 min8h13
Charging stops1 stop−3 stops4 stops
Cost of energy used145.09 €83.80 €−61.29 €

Visualise the trip

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

MercedesPHEVFastest
S 580 e 4MATIC W223
100%
Battery
100%
Fuel tank
519 km
Range
Paris
0 km · departure
Refuel 1
5 min · +60 L · 122.59 €
Marseille
775 km · Arrival 7h06
1
Stops
7h06
Duration
145.09 €
Cost of energy used
BMWBEV
iX3 G08
100%
312 km
Range
Paris
0 km · departure
Charge 1
17 min · +30 kWh · 17.76 €
Charge 2
17 min · +30 kWh · 17.76 €
Charge 3
17 min · +30 kWh · 17.76 €
Charge 4
22 min · +36 kWh · 21.47 €
Marseille
775 km · Arrival 8h13
4
Stops
8h13
Duration
83.80 €
Cost of energy used

Analysis

The 67-minute lead of the S 580 e 4MATIC W223 does not come from driving speed, but from 3 fewer charging stops on this route (1 vs 4).

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 580 e 4MATIC W223 versus 4 stops totalling 72 min for the iX3 G08.

Motorway consumption: the Caralogy methodology

The official WLTP figures (18,2 kWh/100km for S 580 e 4MATIC W223 and 19,0 kWh/100km for iX3 G08) 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 10,2 L/100km (S 580 e 4MATIC W223) and 23,7 kWh/100km (iX3 G08). Full methodology: see the dedicated button above the summary.

For reference: how much would an equivalent petrol SUV cost?

A Mercedes S 450 (equivalent segment) consumes about 9,0 L/100km on the motorway at 130 km/h. At 1,9 €/L, this Paris → Marseille trip would cost ~129 €. That is 0,9× the electric cost of the S 580 e 4MATIC W223 and 1,5× that of the iX3 G08. The gap narrows in winter but never reverses.

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.

Mercedes

S 580 e 4MATIC W223

SegmentDistance€/kmCost (€)
Paris → Manosque, A51initial energy charged at home · 0,20 €/kWh92 km17 kWh consumed0,036 €/km3,35 €
Paris → Manosque, A51fuel · 2,03 €/L591 km60 L consumed0,207 €/km122,59 €
Manosque, A51 → Marseillefuel · 2,03 €/L92 km9 L consumed0,208 €/km19,15 €
Trip total145,09 €
BMW

iX3 G08

SegmentDistance€/kmCost (€)
Paris → Beaune, A6initial energy charged at home · 0,20 €/kWh280 km67 kWh consumed0,048 €/km13,33 €
Beaune, A6 → Limonest, A6energy charged at Ionity 104 kW · 0,60 €/kWh125 km30 kWh consumed0,142 €/km17,76 €
Limonest, A6 → Valence, A7energy charged at Ionity 104 kW · 0,60 €/kWh125 km30 kWh consumed0,142 €/km17,76 €
Valence, A7 → Manosque, A51energy charged at Ionity 104 kW · 0,60 €/kWh125 km30 kWh consumed0,142 €/km17,76 €
Manosque, A51 → Marseilleenergy charged at Ionity 98 kW · 0,60 €/kWh121 km29 kWh consumed0,142 €/km17,20 €
Trip total83,80 €

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 durationMercedes S 580 e 4MATIC W223BMW iX3 G08
5 minutes--
10 minutes--
20 minutes--
Full session 10 → 80 %--

Compare with another vehicle

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

MercedesPHEV

S 580 e 4MATIC W223

585 ch · 22 kWh · 2026

BMWBEV

iX3 G08

286 ch · 74 kWh · 2020

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Frequently asked questions

The advantage comes from the combo real range + charging speed. On Paris → Marseille (775 km at 130 km/h), the S 580 e 4MATIC 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: 145,09 € (S 580 e 4MATIC W223) and 83,80 € (iX3 G08). An equivalent petrol SUV (~8 L/100 km) would cost about 115 € in motorway fuel. Electric costs less in energy but adds charging stops.