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Home›Duel›Mercedes G 450 vs BMW X7

Performance comparison

Mercedes G 450 d W463 vs BMW X7 xDrive40i G07: which is truly faster?

Simulated drag race 0 → 1,000 m in real time. Synchronised speed counters and stopwatch. Physics calibration on 7 manufacturer measurements.

MercedesHybridFaster

G 450 d W463

367 hp · 750 Nm · 2,555 kg · 2024

VS
BMWHybrid

X7 xDrive40i G07

333 hp · 450 Nm · 2,360 kg · 2021

MotorwayRange & chargingPerformance0-100, top speedConsumptionAnnual TCO

Parameters and assumptions

Simulation

Start
Standing, straight line
Surface
Dry asphalt, 23°C
Wind
None
Driver
1 person, 75 kg

Calibration

Splits
0–100, 0–200 manufacturer
Power curve
Real measurement (Caralogy)
VMax
Manufacturer limited
Transmission
Losses integrated in model

Physics model calibrated on manufacturer splits. The limited top speed is not the real aerodynamic top speed of the vehicles.

G 450 d W463X7 xDrive40i G07
0–100 km/h5,83 s−0,52 s6,35 s
400 m standing start14,11 s−0,44 s14,55 s
1,000 m standing start26,23 s−0,41 s26,64 s
Top speed (electronically limited)210 km/h243 km/h−33 km/h
Power-to-weight ratio6,96 kg/hpbetter ratio7,09 kg/hp

Watch the race

Standing-start drag race, calibrated on manufacturer splits. The gap shows at each stage.

MercedesHybridG 450 d W463
Speed
0km/h
Timer
0,00s
Distance
0m
BMWHybridX7 xDrive40i G07
Speed
0km/h
Timer
0,00s
Distance
0m
100 m
200 m
300 m
400 m
500 m
600 m
700 m
800 m
900 m
1000 m
0m → 1000m
Gap0m

Stage-by-stage comparison

Simulated performance at each stage. Winner in green.

PalierG 450 d W463X7 xDrive40i G07
0–30 km/h1,20 s1,40 s
0–50 km/h2,08 s2,39 s
0–80 km/h3,97 s4,50 s
0–100 km/h5,83 s6,35 s
0–120 km/h8,08 s8,69 s
0–160 km/h15,02 s15,48 s
0–200 km/h29,07 s27,65 s
400 m standing start14,11 s14,55 s
1,000 m standing start26,23 s26,64 s
Top speed210 km/h243 km/h

Under the bonnet

Manufacturer technical specifications. The power-to-weight ratio is the key physical factor in a drag race.

Mercedes

G 450 d W463

6,96kg/hpratio better by 0,13 kg/hp
CharacteristicValueDetail
Power367 hpPending
Torque750 Nm
Weight2 555 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxUnknown
BMW

X7 xDrive40i G07

7,09kg/hpcompensated by −195 kg
CharacteristicValueDetail
Power333 hp6 cyl
Torque450 Nm
Weight2 360 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission

The start: 0 to 100 km/h

Off the line, the G 450 d hits 100 km/h in 5.83 s versus 6.35 s for the Bmw X7 xDrive40i. At this point, the G 450 d leads by 0.52 s and sits roughly 8 m ahead.

From 100 km/h to 400 metres

At 200 metres, the G 450 d is doing 128 km/h against 125 km/h for the Bmw X7 xDrive40i. The gap is 0.36 s. The challenger starts to claw back ground.

At 400 metres standing start, the G 450 d crosses the line in 14.11 s versus 14.54 s. The 0.43 s gap represents roughly 19 m of track — two to three car lengths.

Beyond 400 metres: top speed comes into play

Past 400 metres, the G 450 d continues to build its lead. At 600 metres, it runs at 174 km/h versus 174 km/h. At 1,000 metres, the G 450 d finishes in 26.22 s versus 26.63 s, with a 0.41 s lead. Despite a higher top speed (243 km/h), the Bmw X7 xDrive40i never recovers its launch deficit.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the G 450 d is capped at 210 km/h, the Bmw X7 xDrive40i at 243 km/h. This isn’t a physical engine limit — it’s a manufacturer choice, usually for tyre safety or homologation reasons. Neither car reaches its true aerodynamic top speed.

With two combustion powertrains, the difference comes down to power-to-weight ratio (6.96 kg/hp vs 7.09 kg/hp) and transmission (Unknown vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 10.14 seconds. The 0.52 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

Compare with other alternatives

Swap one of the two models to explore an equivalent duel in the same segment.

Instead of G 450 d W463
Bmw X5 xDrive40dBmw X3 M40dBmw X7 xDrive40d
Instead of X7 xDrive40i G07
Mercedes G 450 dBmw X5 xDrive40iBmw X5 xDrive40d

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Frequently asked questions

Sur 0–100 km/h, G 450 d W463 gagne (5,83 s vs 6,35 s).

G 450 d W463 passe de 0 à 100 km/h en 5,83 secondes (simulation calibrée).

G 450 d W463 : 367 hp, ratio 6,96 kg/hp. X7 xDrive40i G07 : 333 hp, ratio 7,09 kg/hp.

G 450 d W463 : 210 km/h. X7 xDrive40i G07 : 243 km/h.