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BMW iX xDrive50 I20 vs BMW X2 xDrive25e F39: 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 · 2023 vs 2021 · Methodology
BMWBEVFaster

iX xDrive50 I20

523 hp · 765 Nm · 2,585 kg · 2023

VS
BMWPHEV

X2 xDrive25e F39

220 hp · 385 Nm · 1,730 kg · 2021

Result · 0–100 km/h

ABMW iX xDrive50 I20

4.69 s

Gap2.05 sin favour of iX xDrive50
BBMW X2 xDrive25e F39

6.74 s

Summary · Caralogy simulation
MeasureiX xDrive50 I20X2 xDrive25e F39Gap
0–100 km/h4.69 s6.74 s2.05 s · iX xDrive50 I20
400 m standing start12.93 s14.89 s1.96 s · iX xDrive50 I20
1,000 m standing start23.92 s27.32 s3.40 s · iX xDrive50 I20
Top speed (electronically limited)200 km/h195 km/h5 km/h · iX xDrive50 I20
Power-to-weight ratio4.94 kg/hp7.86 kg/hpbetter ratio · iX xDrive50 I20

Watch the race

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

BMWBEViX xDrive50 I20
Speed
0km/h
Timer
0,00s
Distance
0m
BMWPHEVX2 xDrive25e F39
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.
StageiX xDrive50 I20X2 xDrive25e F39
0–30 km/h1.29 s1.46 s
0–50 km/h2.15 s2.49 s
0–80 km/h3.50 s4.65 s
0–100 km/h4.69 s6.74 s
0–120 km/h6.18 s9.34 s
0–160 km/h10.39 s16.97 s
0–200 km/h16.61 s-
400 m standing start12.93 s14.89 s
1,000 m standing start23.92 s27.32 s
Top speed200 km/h195 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

iX xDrive50 I20

4,94kg/hpratio better by 2,92 kg/hp
CharacteristicValueDetail
Power523 hpPending
Torque765 Nm
Weight2 585 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxSingle-speed fixed gear
BMW

X2 xDrive25e F39

7,86kg/hpcompensated by −855 kg
CharacteristicValueDetail
Power220 hp3 cyl
Torque385 Nm
Weight1 730 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox6-speed Steptronic

The start: 0 to 100 km/h

Off the line, the iX xDrive50 hits 100 km/h in 4.69 s versus 6.74 s for the X2 xDrive25e. At this point, the iX xDrive50 leads by 2.05 s and sits roughly 11 m ahead.

From 100 km/h to 400 metres

At 200 metres, the iX xDrive50 is doing 144 km/h against 122 km/h for the X2 xDrive25e. The gap is 1.16 s. The challenger starts to claw back ground.

At 400 metres standing start, the iX xDrive50 crosses the line in 12.93 s versus 14.89 s. The 1.96 s gap represents roughly 80 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the iX xDrive50 continues to build its lead. At 600 metres, it runs at 200 km/h versus 169 km/h. At 1,000 metres, the iX xDrive50 finishes in 23.92 s versus 27.32 s, with a 3.40 s lead. Both vehicles have similar top speeds (200 vs 195 km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the iX xDrive50 is capped at 200 km/h, the X2 xDrive25e at 195 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 (4.94 kg/hp vs 7.86 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 10.91 seconds. The 2.05 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, iX xDrive50 I20 wins (4,69 s vs 6,74 s).

iX xDrive50 I20 goes from 0 to 100 km/h in 4,69 seconds (calibrated simulation).

iX xDrive50 I20: 523 hp, ratio 4,94 kg/hp. X2 xDrive25e F39: 220 hp, ratio 7,86 kg/hp.

iX xDrive50 I20: 200 km/h. X2 xDrive25e F39: 195 km/h.