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AEPHEVvsB120dDiesel
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  • SpecsE · 120d

Mercedes E 400 e 4MATIC W214 vs BMW 120d F20LCI: 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.

grand tourer · 2024 vs 2018 · Methodology
MercedesPHEVFaster

E 400 e 4MATIC W214

381 hp · 650 Nm · 2,245 kg · 2024

VS
BMWDiesel

120d F20LCI

190 hp · 400 Nm · 1,415 kg · 2018

Result · 0–100 km/h

AMercedes E 400 e 4MATIC W214

5.30 s

Gap1.85 sin favour of E 400 e 4MATIC
BBMW 120d F20LCI

7.15 s

Summary · Caralogy simulation
MeasureE 400 e 4MATIC W214120d F20LCIGap
0–100 km/h5.30 s7.15 s1.85 s · E 400 e 4MATIC W214
400 m standing start13.57 s15.30 s1.73 s · E 400 e 4MATIC W214
1,000 m standing start24.58 s27.54 s2.96 s · E 400 e 4MATIC W214
Top speed (electronically limited)250 km/h228 km/h22 km/h · E 400 e 4MATIC W214
Power-to-weight ratio5.89 kg/hp7.45 kg/hpbetter ratio · E 400 e 4MATIC W214

Watch the race

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

MercedesPHEVE 400 e 4MATIC W214
Speed
0km/h
Timer
0,00s
Distance
0m
BMWDiesel120d F20LCI
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.
StageE 400 e 4MATIC W214120d F20LCI
0–30 km/h1.36 s2.05 s
0–50 km/h2.06 s3.27 s
0–80 km/h3.74 s5.29 s
0–100 km/h5.30 s7.15 s
0–120 km/h7.13 s9.55 s
0–160 km/h12.19 s16.63 s
0–200 km/h19.66 s30.38 s
400 m standing start13.57 s15.30 s
1,000 m standing start24.58 s27.54 s
Top speed limited250 km/h228 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.

Mercedes

E 400 e 4MATIC W214

5,89kg/hpratio better by 1,55 kg/hp
CharacteristicValueDetail
Power381 hp4 cyl
Torque650 Nm
Weight2 245 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxUnknown
BMW

120d F20LCI

7,45kg/hpcompensated by −830 kg
CharacteristicValueDetail
Power190 hp4 cyl
Torque400 Nm
Weight1 415 kgmanufacturer kerb weight
Drivetrain-
Gearbox6-speed manual (8-speed Steptronic)

The start: 0 to 100 km/h

Off the line, the E 400 e 4MATIC hits 100 km/h in 5.31 s versus 7.15 s for the 120d. The instant torque of 650 Nm from the electric motor makes the difference. At this point, the E 400 e 4MATIC leads by 1.85 s and sits roughly 24 m ahead.

From 100 km/h to 400 metres

At 200 metres, the E 400 e 4MATIC is doing 135 km/h against 124 km/h for the 120d. The gap is 1.31 s. The challenger starts to claw back ground.

At 400 metres standing start, the E 400 e 4MATIC crosses the line in 13.57 s versus 15.30 s. The 1.73 s gap represents roughly 72 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the E 400 e 4MATIC continues to build its lead. At 600 metres, it runs at 190 km/h versus 172 km/h. At 1,000 metres, the E 400 e 4MATIC finishes in 24.58 s versus 27.53 s, with a 2.96 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the E 400 e 4MATIC is capped at 250 (i.e. 155 mph - industry threshold) km/h, the 120d at 228 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 10.99 seconds. The 1.85 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, E 400 e 4MATIC W214 wins (5,30 s vs 7,15 s).

E 400 e 4MATIC W214 goes from 0 to 100 km/h in 5,30 seconds (calibrated simulation).

E 400 e 4MATIC W214: 381 hp, ratio 5,89 kg/hp. 120d F20LCI: 190 hp, ratio 7,45 kg/hp.

E 400 e 4MATIC W214: 250 km/h. 120d F20LCI: 228 km/h.