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AX5vsBX7Petrol
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BMW X5 M50i G05 vs BMW X7 xDrive50i 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.

large SUV · 2019 vs 2018 · Methodology
BMWPetrolFaster

X5 M50i G05

530 hp · 750 Nm · 2,250 kg · 2019

VS
BMWPetrol

X7 xDrive50i G07

462 hp · 650 Nm · 2,460 kg · 2018

Result · 0–100 km/h

ABMW X5 M50i G05

4.34 s

Gap0.99 sin favour of X5 M50i
BBMW X7 xDrive50i G07

5.33 s

Summary · Caralogy simulation
MeasureX5 M50i G05X7 xDrive50i G07Gap
0–100 km/h4.34 s5.33 s0.99 s · X5 M50i G05
400 m standing start12.43 s13.57 s1.14 s · X5 M50i G05
1,000 m standing start22.51 s24.64 s2.13 s · X5 M50i G05
Top speed (electronically limited)250 km/h250 km/hSame
Power-to-weight ratio4.25 kg/hp5.32 kg/hpbetter ratio · X5 M50i G05

Watch the race

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

BMWPetrolX5 M50i G05
Speed
0km/h
Timer
0,00s
Distance
0m
BMWPetrolX7 xDrive50i 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. Best value in bold.
StageX5 M50i G05X7 xDrive50i G07
0–30 km/h1.23 s1.39 s
0–50 km/h2.03 s2.29 s
0–80 km/h3.29 s3.92 s
0–100 km/h4.34 s5.33 s
0–120 km/h5.63 s7.08 s
0–160 km/h9.15 s12.00 s
0–200 km/h14.54 s19.96 s
400 m standing start12.43 s13.57 s
1,000 m standing start22.51 s24.64 s
Top speed limited250 km/h250 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 M50i G05

4,25kg/hpratio better by 1,08 kg/hp
CharacteristicValueDetail
Power530 hpPending
Torque750 Nm
Weight2 250 kgmanufacturer kerb weight
Drivetrain-
GearboxEight-speed Steptronic transmission
BMW

X7 xDrive50i G07

5,32kg/hpcompensated by −210 kg
CharacteristicValueDetail
Power462 hp8 cyl
Torque650 Nm
Weight2 460 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission

The start: 0 to 100 km/h

Off the line, the X5 M50i hits 100 km/h in 4.34 s versus 5.33 s for the X7 xDrive50i. At this point, the X5 M50i leads by 0.99 s and sits roughly 8 m ahead.

From 100 km/h to 400 metres

At 200 metres, the X5 M50i is doing 150 km/h against 137 km/h for the X7 xDrive50i. The gap is 0.71 s. The challenger starts to claw back ground.

At 400 metres standing start, the X5 M50i crosses the line in 12.43 s versus 13.57 s. The 1.14 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 X5 M50i continues to build its lead. At 600 metres, it runs at 209 km/h versus 190 km/h. At 1,000 metres, the X5 M50i finishes in 22.50 s versus 24.64 s, with a 2.14 s lead. Both vehicles have similar top speeds (250 (i.e. 155 mph - industry threshold) vs 250 (i.e. 155 mph - industry threshold) km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals share the same electronic speed cap: the X5 M50i and the X7 xDrive50i are governed to 250 (i.e. 155 mph - industry threshold) km/h. At that speed, standard-fit tyres approach their safety threshold - an industrial ceiling common to most electric vehicles in this segment. Neither car shows its true aerodynamic potential in this duel.

With two combustion powertrains, the difference comes down to power-to-weight ratio (4.25 kg/hp vs 5.32 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 8.16 seconds. The 0.99 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

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Frequently asked questions

Over 0–100 km/h, X5 M50i G05 wins (4,34 s vs 5,33 s).

X5 M50i G05 goes from 0 to 100 km/h in 4,34 seconds (calibrated simulation).

X5 M50i G05: 530 hp, ratio 4,25 kg/hp. X7 xDrive50i G07: 462 hp, ratio 5,32 kg/hp.

X5 M50i G05: 250 km/h. X7 xDrive50i G07: 250 km/h.