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A745ePHEVvsBX3Hybrid
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs745e · X3

BMW 745e G11 vs BMW X3 M40d G01: 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.

limousine · 2020 vs 2020 · Methodology
BMWPHEV

745e G11

394 hp · 600 Nm · 2,000 kg · 2020

VS
BMWHybridFaster

X3 M40d G01

340 hp · 700 Nm · 2,020 kg · 2020

Result · 0–100 km/h

ABMW 745e G11

5.16 s

Gap0.17 sin favour of X3 M40d
BBMW X3 M40d G01

4.99 s

Summary · Caralogy simulation
Measure745e G11X3 M40d G01Gap
0–100 km/h5.16 s4.99 s0.17 s · X3 M40d G01
400 m standing start13.37 s13.34 s0.03 s · X3 M40d G01
1,000 m standing start24.08 s24.47 s0.39 s · 745e G11
Top speed (electronically limited)250 km/h250 km/hSame
Power-to-weight ratio5.08 kg/hp5.94 kg/hpbetter ratio · 745e G11

Watch the race

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

BMWPHEV745e G11
Speed
0km/h
Timer
0,00s
Distance
0m
BMWHybridX3 M40d G01
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.
Stage745e G11X3 M40d G01
0–30 km/h1.38 s1.23 s · tight gap
0–50 km/h2.29 s2.00 s
0–80 km/h3.80 s3.55 s
0–100 km/h5.16 s4.99 s
0–120 km/h6.84 s6.82 s · tight gap
0–160 km/h11.35 s11.90 s
0–200 km/h18.09 s20.11 s
400 m standing start13.37 s13.34 s · tight gap
1,000 m standing start24.08 s24.47 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

745e G11

5,08kg/hpratio better by 0,87 kg/hp
CharacteristicValueDetail
Power394 hpPending
Torque600 Nm
Weight2 000 kgmanufacturer kerb weight
DrivetrainPropulsion
GearboxEight-speed Steptronic transmission
BMW

X3 M40d G01

5,94kg/hp
CharacteristicValueDetail
Power340 hp6 cyl
Torque700 Nm
Weight2 020 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic

The start: 0 to 100 km/h

Off the line, the X3 M40d hits 100 km/h in 4.99 s versus 5.16 s for the 745e. Despite lacking instant torque, 340 hp of power compensates. At this point, the X3 M40d leads by 0.17 s and sits roughly 5 m ahead.

From 100 km/h to 400 metres

At 200 metres, the X3 M40d is doing 137 km/h against 139 km/h for the 745e. The gap is 0.15 s. The gap remains stable from the start.

At 400 metres standing start, the X3 M40d crosses the line in 13.34 s versus 13.37 s. The 0.03 s gap represents roughly 1 m of track

Beyond 400 metres: top speed comes into play

Past 400 metres, the situation changes. Past 400 metres, both rivals hit the same electronic ceiling at 250 (i.e. 155 mph - industry threshold) km/h. Neither can claw back ground through top speed - the outcome hinges on the acceleration curve between 100 and 250 (i.e. 155 mph - industry threshold) km/h.

At 1,000 metres, the 745e finishes in 24.07 s versus 24.47 s. The 0.39 s delta shows an extremely tight race.

What the numbers don’t tell you

The X3 M40d features all-wheel drive (AWD) against the 745e’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 share the same electronic speed cap: the 745e and the X3 M40d 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.

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 7.88 seconds. The 0.17 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 (4,99 s vs 5,16 s).

745e G11 goes from 0 to 100 km/h in 5,16 seconds (calibrated simulation).

745e G11: 394 hp, ratio 5,08 kg/hp. X3 M40d G01: 340 hp, ratio 5,94 kg/hp.

745e G11: 250 km/h. X3 M40d G01: 250 km/h.