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AX5DieselvsBEPHEV
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  • SpecsX5 · E

BMW X5 M50d F15 vs Mercedes E 400 e 4MATIC W214: 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 · 2018 vs 2024 · Methodology
BMWDieselFaster

X5 M50d F15

400 hp · 760 Nm · 2,275 kg · 2018

VS
MercedesPHEV

E 400 e 4MATIC W214

381 hp · 650 Nm · 2,245 kg · 2024

Result · 0–100 km/h

ABMW X5 M50d F15

5.15 s

Gap0.15 sin favour of X5 M50d
BMercedes E 400 e 4MATIC W214

5.30 s

Summary · Caralogy simulation
MeasureX5 M50d F15E 400 e 4MATIC W214Gap
0–100 km/h5.15 s5.30 s0.15 s · X5 M50d F15
400 m standing start13.47 s13.57 s0.10 s · X5 M50d F15
1,000 m standing start24.61 s24.58 s0.03 s · E 400 e 4MATIC W214
Top speed (electronically limited)250 km/h250 km/hSame
Power-to-weight ratio5.69 kg/hp5.89 kg/hpbetter ratio · X5 M50d F15

Watch the race

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

BMWDieselX5 M50d F15
Speed
0km/h
Timer
0,00s
Distance
0m
MercedesPHEVE 400 e 4MATIC W214
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.
StageX5 M50d F15E 400 e 4MATIC W214
0–30 km/h1.33 s · tight gap1.36 s
0–50 km/h2.15 s2.06 s · tight gap
0–80 km/h3.71 s · tight gap3.74 s
0–100 km/h5.15 s5.30 s
0–120 km/h6.95 s7.13 s
0–160 km/h12.03 s12.19 s
0–200 km/h20.34 s19.66 s
400 m standing start13.47 s · tight gap13.57 s
1,000 m standing start24.61 s24.58 s · tight gap
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

X5 M50d F15

5,69kg/hpratio better by 0,20 kg/hp
CharacteristicValueDetail
Power400 hp6 cyl
Torque760 Nm
Weight2 275 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission
Mercedes

E 400 e 4MATIC W214

5,89kg/hp
CharacteristicValueDetail
Power381 hp4 cyl
Torque650 Nm
Weight2 245 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxUnknown

The start: 0 to 100 km/h

Off the line, the X5 M50d hits 100 km/h in 5.15 s versus 5.31 s for the E 400 e 4MATIC. Despite lacking instant torque, 400 hp of power compensates. The 0.15 s gap is negligible: both vehicles are neck and neck.

From 100 km/h to 400 metres

At 200 metres, the X5 M50d is doing 136 km/h against 135 km/h for the E 400 e 4MATIC. The gap is 0.07 s. The gap remains stable from the start.

At 400 metres standing start, the X5 M50d crosses the line in 13.47 s versus 13.57 s. The 0.10 s gap represents roughly 5 m of track - barely a car length.

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 E 400 e 4MATIC finishes in 24.58 s versus 24.60 s. The 0.03 s delta shows an extremely tight race.

What the numbers don’t tell you

Both rivals share the same electronic speed cap: the X5 M50d and the E 400 e 4MATIC 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 8.31 seconds. The 0.15 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, X5 M50d F15 wins (5,15 s vs 5,30 s).

X5 M50d F15 goes from 0 to 100 km/h in 5,15 seconds (calibrated simulation).

X5 M50d F15: 400 hp, ratio 5,69 kg/hp. E 400 e 4MATIC W214: 381 hp, ratio 5,89 kg/hp.

X5 M50d F15: 250 km/h. E 400 e 4MATIC W214: 250 km/h.