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BMW X5 M Competition G05 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.

large SUV · 2021 vs 2024 · Methodology
BMWPetrolFaster

X5 M Competition G05

625 hp · 750 Nm · 2,335 kg · 2021

VS
MercedesHybrid

G 450 d W463

367 hp · 750 Nm · 2,555 kg · 2024

Result · 0–100 km/h

ABMW X5 M Competition G05

3.83 s

Gap2.00 sin favour of X5 M Competition
BMercedes G 450 d W463

5.83 s

Summary · Caralogy simulation
MeasureX5 M Competition G05G 450 d W463Gap
0–100 km/h3.83 s5.83 s2.00 s · X5 M Competition G05
400 m standing start11.95 s14.11 s2.16 s · X5 M Competition G05
1,000 m standing start21.80 s26.23 s4.43 s · X5 M Competition G05
Top speed (electronically limited)250 km/h210 km/h40 km/h · X5 M Competition G05
Power-to-weight ratio3.74 kg/hp6.96 kg/hpbetter ratio · X5 M Competition G05

Watch the race

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

BMWPetrolX5 M Competition G05
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.
StageX5 M Competition G05G 450 d W463
0–30 km/h1.06 s · tight gap1.20 s
0–50 km/h1.73 s2.08 s
0–80 km/h2.90 s3.97 s
0–100 km/h3.83 s5.83 s
0–120 km/h5.02 s8.08 s
0–160 km/h8.23 s15.02 s
0–200 km/h13.32 s29.07 s
400 m standing start11.95 s14.11 s
1,000 m standing start21.80 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

X5 M Competition G05

3,74kg/hpratio better by 3,23 kg/hp
CharacteristicValueDetail
Power625 hpPending
Torque750 Nm
Weight2 335 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed M Steptronic transmission with Drivelogic
Mercedes

G 450 d W463

6,96kg/hpcompensated by −220 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 X5 M Competition hits 100 km/h in 3.83 s versus 5.83 s for the G 450 d. At this point, the X5 M Competition leads by 2.00 s and sits roughly 10 m ahead.

From 100 km/h to 400 metres

At 200 metres, the X5 M Competition is doing 155 km/h against 128 km/h for the G 450 d. The gap is 1.29 s. The challenger starts to claw back ground.

At 400 metres standing start, the X5 M Competition crosses the line in 11.94 s versus 14.11 s. The 2.17 s gap represents roughly 91 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the X5 M Competition continues to build its lead. At 600 metres, it runs at 215 km/h versus 174 km/h. At 1,000 metres, the X5 M Competition finishes in 21.80 s versus 26.22 s, with a 4.43 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the X5 M Competition 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 (3.74 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 2.00 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 X5 M Competition G05
BMW X7 xDrive50i

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MercedesVSBMW

G 450 d vs X7 xDrive40d

BMWVSAudi

X5 M Competition vs RS Q8 SUV

MercedesVSBMW

G 450 d vs X7 xDrive40d

Frequently asked questions

Over 0–100 km/h, X5 M Competition G05 wins (3,83 s vs 5,83 s).

X5 M Competition G05 goes from 0 to 100 km/h in 3,83 seconds (calibrated simulation).

X5 M Competition G05: 625 hp, ratio 3,74 kg/hp. G 450 d W463: 367 hp, ratio 6,96 kg/hp.

X5 M Competition G05: 250 km/h. G 450 d W463: 210 km/h.