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AX3DieselvsBDolphinBEV
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  • SpecsX3 · Dolphin

BMW X3 M40d G01 vs BYD Dolphin Boost 150kW: 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.

family SUV · 2018 vs 2022 · Methodology
BMWDieselFaster

X3 M40d G01

326 hp · 680 Nm · 1,895 kg · 2018

VS
BYDBEV

Dolphin Boost 150kW

204 hp · 290 Nm · 1,490 kg · 2022

Result · 0–100 km/h

ABMW X3 M40d G01

4.87 s

Gap2.06 sin favour of X3 M40d
BBYD Dolphin Boost 150kW

6.93 s

Summary · Caralogy simulation
MeasureX3 M40d G01Dolphin Boost 150kWGap
0–100 km/h4.87 s6.93 s2.06 s · X3 M40d G01
400 m standing start13.21 s15.14 s1.93 s · X3 M40d G01
1,000 m standing start24.25 s28.66 s4.41 s · X3 M40d G01
Top speed (electronically limited)250 km/h160 km/h90 km/h · X3 M40d G01
Power-to-weight ratio5.81 kg/hp7.30 kg/hpbetter ratio · X3 M40d G01

Watch the race

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

BMWDieselX3 M40d G01
Speed
0km/h
Timer
0,00s
Distance
0m
BYDBEVDolphin Boost 150kW
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.
StageX3 M40d G01Dolphin Boost 150kW
0–30 km/h1.25 s1.93 s
0–50 km/h2.01 s3.23 s
0–80 km/h3.49 s5.23 s
0–100 km/h4.87 s6.93 s
0–120 km/h6.61 s9.17 s
0–160 km/h11.49 s16.56 s
0–200 km/h19.48 s-
400 m standing start13.21 s15.14 s
1,000 m standing start24.25 s28.66 s
Top speed limited250 km/h160 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

X3 M40d G01

5,81kg/hpratio better by 1,49 kg/hp
CharacteristicValueDetail
Power326 hp6 cyl
Torque680 Nm
Weight1 895 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic
BYD

Dolphin Boost 150kW

7,30kg/hpcompensated by −405 kg
CharacteristicValueDetail
Power204 hpPending
Torque290 Nm
Weight1 490 kgmanufacturer kerb weight
Drivetrain-
Gearboxsingle-speed reduction

The start: 0 to 100 km/h

Off the line, the X3 M40d hits 100 km/h in 4.87 s versus 6.93 s for the Dolphin Boost 150kW. Despite lacking instant torque, 326 hp of power compensates. At this point, the X3 M40d leads by 2.06 s and sits roughly 25 m ahead.

From 100 km/h to 400 metres

At 200 metres, the X3 M40d is doing 138 km/h against 126 km/h for the Dolphin Boost 150kW. The gap is 1.46 s. The challenger starts to claw back ground.

At 400 metres standing start, the X3 M40d crosses the line in 13.21 s versus 15.13 s. The 1.92 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 X3 M40d continues to build its lead. At 600 metres, it runs at 191 km/h versus 160 km/h. At 1,000 metres, the X3 M40d finishes in 24.24 s versus 28.66 s, with a 4.41 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the X3 M40d is capped at 250 (i.e. 155 mph - industry threshold) km/h, the Dolphin Boost 150kW at 160 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 10.58 seconds. The 2.06 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, X3 M40d G01 wins (4,87 s vs 6,93 s).

X3 M40d G01 goes from 0 to 100 km/h in 4,87 seconds (calibrated simulation).

X3 M40d G01: 326 hp, ratio 5,81 kg/hp. Dolphin Boost 150kW: 204 hp, ratio 7,30 kg/hp.

X3 M40d G01: 250 km/h. Dolphin Boost 150kW: 160 km/h.