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AXMPHEVvsBQ4 45BEV
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsXM · Q4 45

BMW XM 50e G09 vs Audi Q4 45 e-tron 210 kW: 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 · 2024 vs 2023 · Methodology
BMWPHEVFaster

XM 50e G09

476 hp · 700 Nm · 2,620 kg · 2024

VS
AudiBEV

Q4 45 e-tron 210 kW

286 hp · 545 Nm · 2,145 kg · 2023

Result · 0–100 km/h

ABMW XM 50e G09

5.19 s

Gap1.58 sin favour of XM 50e
BAudi Q4 45 e-tron 210 kW

6.77 s

Summary · Caralogy simulation
MeasureXM 50e G09Q4 45 e-tron 210 kWGap
0–100 km/h5.19 s6.77 s1.58 s · XM 50e G09
400 m standing start13.44 s14.99 s1.55 s · XM 50e G09
1,000 m standing start24.30 s27.44 s3.14 s · XM 50e G09
Top speed (electronically limited)250 km/h180 km/h70 km/h · XM 50e G09
Power-to-weight ratio5.50 kg/hp7.50 kg/hpbetter ratio · XM 50e G09

Watch the race

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

BMWPHEVXM 50e G09
Speed
0km/h
Timer
0,00s
Distance
0m
AudiBEVQ4 45 e-tron 210 kW
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.
StageXM 50e G09Q4 45 e-tron 210 kW
0–30 km/h1.39 s1.79 s
0–50 km/h2.33 s2.99 s
0–80 km/h3.82 s4.96 s
0–100 km/h5.19 s6.77 s
0–120 km/h6.88 s9.11 s
0–160 km/h11.59 s16.30 s
0–200 km/h18.84 s-
400 m standing start13.44 s14.99 s
1,000 m standing start24.30 s27.44 s
Top speed limited250 km/h180 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

XM 50e G09

5,50kg/hpratio better by 2,00 kg/hp
CharacteristicValueDetail
Power476 hp4 cyl
Torque700 Nm
Weight2 620 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed M Steptronic transmission
Audi

Q4 45 e-tron 210 kW

7,50kg/hpcompensated by −475 kg
CharacteristicValueDetail
Power286 hpPending
Torque545 Nm
Weight2 145 kgmanufacturer kerb weight
DrivetrainPropulsion
GearboxUnknown

The start: 0 to 100 km/h

Off the line, the XM 50e hits 100 km/h in 5.19 s versus 6.77 s for the Q4 45 e-tron 210 kW. At this point, the XM 50e leads by 1.58 s and sits roughly 16 m ahead.

From 100 km/h to 400 metres

At 200 metres, the XM 50e is doing 139 km/h against 125 km/h for the Q4 45 e-tron 210 kW. The gap is 1.04 s. The challenger starts to claw back ground.

At 400 metres standing start, the XM 50e crosses the line in 13.44 s versus 14.98 s. The 1.55 s gap represents roughly 65 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the XM 50e continues to build its lead. At 600 metres, it runs at 193 km/h versus 172 km/h. At 1,000 metres, the XM 50e finishes in 24.30 s versus 27.43 s, with a 3.14 s lead.

What the numbers don’t tell you

The XM 50e features all-wheel drive (AWD) against the Q4 45 e-tron 210 kW’s RWD. At low speeds (0-30, 0-50, 0-80 km/h), AWD doubles the driven contact area: all four wheels transmit torque to the road, virtually eliminating wheelspin at launch. This traction advantage is decisive in the range where the motor delivers peak torque, before power and aerodynamics take over.

Both rivals are electronically governed, but not at the same level: the XM 50e is capped at 250 (i.e. 155 mph - industry threshold) km/h, the Q4 45 e-tron 210 kW at 180 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 plug-in hybrid powertrains, the difference comes down to power-to-weight ratio (5.50 kg/hp vs 7.50 kg/hp) and transmission (Automatic vs Unknown).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 10.55 seconds. The 1.58 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

Other duels you might be interested in

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Urus SE vs XM 50e

VolvoVSAudi

EX40 Twin Motor AWD vs Q4 45 e-tron 210 kW

BMWVSMercedes

XM 50e vs G 500

VolvoVSAudi

XC40 Recharge Twin AWD vs Q4 45 e-tron 210 kW

Frequently asked questions

Over 0–100 km/h, XM 50e G09 wins (5,19 s vs 6,77 s).

XM 50e G09 goes from 0 to 100 km/h in 5,19 seconds (calibrated simulation).

XM 50e G09: 476 hp, ratio 5,50 kg/hp. Q4 45 e-tron 210 kW: 286 hp, ratio 7,50 kg/hp.

XM 50e G09: 250 km/h. Q4 45 e-tron 210 kW: 180 km/h.