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BMW X7 M50i G07 vs Mercedes G 450 d W463: 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.

luxury SUV · 2019 vs 2024 · Methodology
BMWPetrolFaster

X7 M50i G07

530 hp · 750 Nm · 2,480 kg · 2019

VS
MercedesHybrid

G 450 d W463

367 hp · 750 Nm · 2,555 kg · 2024

Result · 0–100 km/h

ABMW X7 M50i G07

4.72 s

Gap1.11 sin favour of X7 M50i
BMercedes G 450 d W463

5.83 s

Summary · Caralogy simulation
MeasureX7 M50i G07G 450 d W463Gap
0–100 km/h4.72 s5.83 s1.11 s · X7 M50i G07
400 m standing start12.87 s14.11 s1.24 s · X7 M50i G07
1,000 m standing start23.20 s26.23 s3.03 s · X7 M50i G07
Top speed (electronically limited)250 km/h210 km/h40 km/h · X7 M50i G07
Power-to-weight ratio4.68 kg/hp6.96 kg/hpbetter ratio · X7 M50i G07

Watch the race

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

BMWPetrolX7 M50i G07
Speed
0km/h
Timer
0,00s
Distance
0m
MercedesHybridG 450 d W463
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. Best value in bold.
StageX7 M50i G07G 450 d W463
0–30 km/h1.34 s1.20 s · tight gap
0–50 km/h2.20 s2.08 s · tight gap
0–80 km/h3.59 s3.97 s
0–100 km/h4.72 s5.83 s
0–120 km/h6.14 s8.08 s
0–160 km/h10.02 s15.02 s
0–200 km/h15.97 s29.07 s
400 m standing start12.87 s14.11 s
1,000 m standing start23.20 s26.23 s
Top speed limited250 km/h210 km/h

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.

Under the bonnet

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

BMW

X7 M50i G07

4,68kg/hpratio better by 2,28 kg/hp
CharacteristicValueDetail
Power530 hpPending
Torque750 Nm
Weight2 480 kgmanufacturer kerb weight
Drivetrain-
GearboxEight-speed Steptronic transmission
Mercedes

G 450 d W463

6,96kg/hpcompensated by −75 kg
CharacteristicValueDetail
Power367 hpPending
Torque750 Nm
Weight2 555 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxUnknown

The start: 0 to 100 km/h

Off the line, the X7 M50i hits 100 km/h in 4.72 s versus 5.83 s for the G 450 d. At this point, the X7 M50i leads by 1.11 s and sits roughly 2 m ahead.

From 100 km/h to 400 metres

At 200 metres, the X7 M50i is doing 146 km/h against 128 km/h for the G 450 d. The gap is 0.59 s. The challenger starts to claw back ground.

At 400 metres standing start, the X7 M50i crosses the line in 12.87 s versus 14.11 s. The 1.24 s gap represents roughly 53 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the X7 M50i continues to build its lead. At 600 metres, it runs at 203 km/h versus 174 km/h. At 1,000 metres, the X7 M50i finishes in 23.20 s versus 26.22 s, with a 3.02 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the X7 M50i is capped at 250 (i.e. 155 mph - industry threshold) km/h, the G 450 d at 210 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 (4.68 kg/hp vs 6.96 kg/hp) and transmission (Automatic vs Unknown).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 9.41 seconds. The 1.11 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 X7 M50i G07
BMW X7 xDrive50iBMW X7 M50d
Instead of G 450 d W463
Mercedes G 500

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MercedesVSBMW

G 450 d vs X7 xDrive40d

Frequently asked questions

Over 0–100 km/h, X7 M50i G07 wins (4,72 s vs 5,83 s).

X7 M50i G07 goes from 0 to 100 km/h in 4,72 seconds (calibrated simulation).

X7 M50i G07: 530 hp, ratio 4,68 kg/hp. G 450 d W463: 367 hp, ratio 6,96 kg/hp.

X7 M50i G07: 250 km/h. G 450 d W463: 210 km/h.