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AX3PetrolvsB118dDiesel
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  • PerformancePerformance0-100, top speed
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  • SpecsX3 · 118d

BMW X3 M40i G01 vs BMW 118d 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.

family SUV · 2020 vs 2018 · Methodology
BMWPetrolFaster

X3 M40i G01

360 hp · 500 Nm · 1,845 kg · 2020

VS
BMWDiesel

118d F20LCI

150 hp · 320 Nm · 1,395 kg · 2018

Result · 0–100 km/h

ABMW X3 M40i G01

4.78 s

Gap3.73 sin favour of X3 M40i
BBMW 118d F20LCI

8.51 s

Summary · Caralogy simulation
MeasureX3 M40i G01118d F20LCIGap
0–100 km/h4.78 s8.51 s3.73 s · X3 M40i G01
400 m standing start13.02 s16.27 s3.25 s · X3 M40i G01
1,000 m standing start23.68 s29.62 s5.94 s · X3 M40i G01
Top speed (electronically limited)250 km/h212 km/h38 km/h · X3 M40i G01
Power-to-weight ratio5.13 kg/hp9.30 kg/hpbetter ratio · X3 M40i G01

Watch the race

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

BMWPetrolX3 M40i G01
Speed
0km/h
Timer
0,00s
Distance
0m
BMWDiesel118d 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.
StageX3 M40i G01118d F20LCI
0–30 km/h1.28 s2.00 s
0–50 km/h2.12 s3.28 s
0–80 km/h3.53 s5.95 s
0–100 km/h4.78 s8.51 s
0–120 km/h6.35 s11.72 s
0–160 km/h10.65 s21.88 s
0–200 km/h17.43 s47.74 s
400 m standing start13.02 s16.27 s
1,000 m standing start23.68 s29.62 s
Top speed limited250 km/h212 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 M40i G01

5,13kg/hpratio better by 4,18 kg/hp
CharacteristicValueDetail
Power360 hp6 cyl
Torque500 Nm
Weight1 845 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed Steptronic
BMW

118d F20LCI

9,30kg/hpcompensated by −450 kg
CharacteristicValueDetail
Power150 hp4 cyl
Torque320 Nm
Weight1 395 kgmanufacturer kerb weight
Drivetrain-
Gearbox6-speed manual (8-speed Steptronic)

The start: 0 to 100 km/h

Off the line, the X3 M40i hits 100 km/h in 4.78 s versus 8.51 s for the 118d. At this point, the X3 M40i leads by 3.73 s and sits roughly 25 m ahead.

From 100 km/h to 400 metres

At 200 metres, the X3 M40i is doing 142 km/h against 114 km/h for the 118d. The gap is 2.13 s. The challenger starts to claw back ground.

At 400 metres standing start, the X3 M40i crosses the line in 13.02 s versus 16.27 s. The 3.25 s gap represents roughly 121 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the X3 M40i continues to build its lead. At 600 metres, it runs at 197 km/h versus 158 km/h. At 1,000 metres, the X3 M40i finishes in 23.67 s versus 29.61 s, with a 5.94 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the X3 M40i is capped at 250 (i.e. 155 mph - industry threshold) km/h, the 118d at 212 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 combustion powertrains, the difference comes down to power-to-weight ratio (5.13 kg/hp vs 9.30 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 13.72 seconds. The 3.73 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 M40i G01 wins (4,78 s vs 8,51 s).

X3 M40i G01 goes from 0 to 100 km/h in 4,78 seconds (calibrated simulation).

X3 M40i G01: 360 hp, ratio 5,13 kg/hp. 118d F20LCI: 150 hp, ratio 9,30 kg/hp.

X3 M40i G01: 250 km/h. 118d F20LCI: 212 km/h.