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AM235iPetrolvsB318dDiesel
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsM235i · 318d

BMW M235i xDrive F44 vs BMW 318d Touring G20: 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.

compact · 2019 vs 2019 · Methodology
BMWPetrolFaster

M235i xDrive F44

306 hp · 450 Nm · 1,570 kg · 2019

VS
BMWDiesel

318d Touring G20

150 hp · 320 Nm · 1,575 kg · 2019

Result · 0–100 km/h

ABMW M235i xDrive F44

4.83 s

Gap3.92 sin favour of M235i xDrive
BBMW 318d Touring G20

8.75 s

Summary · Caralogy simulation
MeasureM235i xDrive F44318d Touring G20Gap
0–100 km/h4.83 s8.75 s3.92 s · M235i xDrive F44
400 m standing start13.03 s16.26 s3.23 s · M235i xDrive F44
1,000 m standing start23.53 s30.02 s6.49 s · M235i xDrive F44
Top speed (electronically limited)250 km/h217 km/h33 km/h · M235i xDrive F44
Power-to-weight ratio5.13 kg/hp10.50 kg/hpbetter ratio · M235i xDrive F44

Watch the race

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

BMWPetrolM235i xDrive F44
Speed
0km/h
Timer
0,00s
Distance
0m
BMWDiesel318d Touring G20
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.
StageM235i xDrive F44318d Touring G20
0–30 km/h1.38 s · tight gap1.40 s
0–50 km/h2.25 s2.74 s
0–80 km/h3.63 s5.87 s
0–100 km/h4.83 s8.75 s
0–120 km/h6.35 s12.57 s
0–160 km/h10.47 s23.91 s
0–200 km/h16.77 s49.93 s
400 m standing start13.03 s16.26 s
1,000 m standing start23.53 s30.02 s
Top speed limited250 km/h217 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

M235i xDrive F44

5,13kg/hpratio better by 5,37 kg/hp
CharacteristicValueDetail
Power306 hpPending
Torque450 Nm
Weight1 570 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic Sport transmission
BMW

318d Touring G20

10,50kg/hp
CharacteristicValueDetail
Power150 hpPending
Torque320 Nm
Weight1 575 kgmanufacturer kerb weight
Drivetrain-
GearboxSix-speed manual (eight-speed Steptronic transmission)

The start: 0 to 100 km/h

Off the line, the M235i xDrive hits 100 km/h in 4.83 s versus 8.75 s for the 318d Touring. At this point, the M235i xDrive leads by 3.92 s and sits roughly 14 m ahead.

From 100 km/h to 400 metres

At 200 metres, the M235i xDrive is doing 144 km/h against 110 km/h for the 318d Touring. The gap is 1.82 s. The challenger starts to claw back ground.

At 400 metres standing start, the M235i xDrive crosses the line in 13.03 s versus 16.26 s. The 3.23 s gap represents roughly 116 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the M235i xDrive continues to build its lead. At 600 metres, it runs at 200 km/h versus 153 km/h. At 1,000 metres, the M235i xDrive finishes in 23.52 s versus 30.02 s, with a 6.50 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the M235i xDrive is capped at 250 (i.e. 155 mph - industry threshold) km/h, the 318d Touring at 217 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 10.50 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 14.87 seconds. The 3.92 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, M235i xDrive F44 wins (4,83 s vs 8,75 s).

M235i xDrive F44 goes from 0 to 100 km/h in 4,83 seconds (calibrated simulation).

M235i xDrive F44: 306 hp, ratio 5,13 kg/hp. 318d Touring G20: 150 hp, ratio 10,50 kg/hp.

M235i xDrive F44: 250 km/h. 318d Touring G20: 217 km/h.