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A545ePHEVvsBX5Hybrid
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs545e · X5

BMW 545e xDrive G30 vs BMW X5 xDrive40i G05: 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.

grand tourer · 2020 vs 2021 · Methodology
BMWPHEVFaster

545e xDrive G30

394 hp · 600 Nm · 1,945 kg · 2020

VS
BMWHybrid

X5 xDrive40i G05

333 hp · 450 Nm · 2,100 kg · 2021

Result · 0–100 km/h

ABMW 545e xDrive G30

4.67 s

Gap0.98 sin favour of 545e xDrive
BBMW X5 xDrive40i G05

5.65 s

Summary · Caralogy simulation
Measure545e xDrive G30X5 xDrive40i G05Gap
0–100 km/h4.67 s5.65 s0.98 s · 545e xDrive G30
400 m standing start12.92 s13.93 s1.01 s · 545e xDrive G30
1,000 m standing start23.40 s25.55 s2.15 s · 545e xDrive G30
Top speed (electronically limited)250 km/h243 km/h7 km/h · 545e xDrive G30
Power-to-weight ratio4.94 kg/hp6.31 kg/hpbetter ratio · 545e xDrive G30

Watch the race

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

BMWPHEV545e xDrive G30
Speed
0km/h
Timer
0,00s
Distance
0m
BMWHybridX5 xDrive40i G05
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.
Stage545e xDrive G30X5 xDrive40i G05
0–30 km/h1.21 s · tight gap1.31 s
0–50 km/h2.02 s2.21 s
0–80 km/h3.41 s4.04 s
0–100 km/h4.67 s5.65 s
0–120 km/h6.25 s7.68 s
0–160 km/h10.49 s13.49 s
0–200 km/h16.71 s23.80 s
400 m standing start12.92 s13.93 s
1,000 m standing start23.40 s25.55 s
Top speed limited250 km/h243 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

545e xDrive G30

4,94kg/hpratio better by 1,37 kg/hp
CharacteristicValueDetail
Power394 hp6 cyl
Torque600 Nm
Weight1 945 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission
BMW

X5 xDrive40i G05

6,31kg/hpcompensated by −155 kg
CharacteristicValueDetail
Power333 hp6 cyl
Torque450 Nm
Weight2 100 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission

The start: 0 to 100 km/h

Off the line, the 545e xDrive hits 100 km/h in 4.68 s versus 5.65 s for the X5 xDrive40i. The instant torque of 600 Nm from the electric motor makes the difference. At this point, the 545e xDrive leads by 0.98 s and sits roughly 7 m ahead.

From 100 km/h to 400 metres

At 200 metres, the 545e xDrive is doing 143 km/h against 131 km/h for the X5 xDrive40i. The gap is 0.61 s. The challenger starts to claw back ground.

At 400 metres standing start, the 545e xDrive crosses the line in 12.91 s versus 13.93 s. The 1.01 s gap represents roughly 45 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the 545e xDrive continues to build its lead. At 600 metres, it runs at 200 km/h versus 181 km/h. At 1,000 metres, the 545e xDrive finishes in 23.40 s versus 25.54 s, with a 2.15 s lead. Both vehicles have similar top speeds (250 (i.e. 155 mph - industry threshold) vs 243 km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the 545e xDrive is capped at 250 (i.e. 155 mph - industry threshold) km/h, the X5 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.

Instant electric torque gives an advantage off the line. The higher top speed of the combustion engine gives an advantage over longer distances. The distance at which one catches the other depends on the top speed differential.

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 8.87 seconds. The 0.98 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, 545e xDrive G30 wins (4,67 s vs 5,65 s).

545e xDrive G30 goes from 0 to 100 km/h in 4,67 seconds (calibrated simulation).

545e xDrive G30: 394 hp, ratio 4,94 kg/hp. X5 xDrive40i G05: 333 hp, ratio 6,31 kg/hp.

545e xDrive G30: 250 km/h. X5 xDrive40i G05: 243 km/h.