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Home›Duel›BMW M440i vs BMW 320d

Performance comparison

BMW M440i G22 vs BMW 320d 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.

BMWPetrolFaster

M440i G22

374 hp · 500 Nm · 1,695 kg · 2021

VS
BMWHybrid

320d G20

190 hp · 400 Nm · 1,540 kg · 2020

MotorwayRange & chargingPerformance0-100, top speedConsumptionAnnual TCO

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.

M440i G22320d G20
0–100 km/h4,83 s−2,00 s6,83 s
400 m standing start12,93 s−2,03 s14,96 s
1,000 m standing start23,15 s−4,45 s27,60 s
Top speed (electronically limited)250 km/h+10 km/h240 km/h
Power-to-weight ratio4,53 kg/hpbetter ratio8,11 kg/hp

Watch the race

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

BMWPetrolM440i G22
Speed
0km/h
Timer
0,00s
Distance
0m
BMWHybrid320d 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. Winner in green.

PalierM440i G22320d G20
0–30 km/h1,39 s1,25 stight gap
0–50 km/h2,31 s2,27 stight gap
0–80 km/h3,68 s4,65 s
0–100 km/h4,83 s6,83 s
0–120 km/h6,24 s9,65 s
0–160 km/h10,05 s17,86 s
0–200 km/h15,69 s32,75 s
400 m standing start12,93 s14,96 s
1,000 m standing start23,15 s27,60 s
Top speed limited250 km/h240 km/h

Under the bonnet

Manufacturer technical specifications. The power-to-weight ratio is the key physical factor in a drag race.

BMW

M440i G22

4,53kg/hpratio better by 3,57 kg/hp
CharacteristicValueDetail
Power374 hpPending
Torque500 Nm
Weight1 695 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission
BMW

320d G20

8,11kg/hpcompensated by −155 kg
CharacteristicValueDetail
Power190 hp4 cyl
Torque400 Nm
Weight1 540 kgmanufacturer kerb weight
Drivetrain-
Gearboxeight-speed Steptronic transmission

The start: 0 to 100 km/h

Off the line, the Bmw M440i hits 100 km/h in 4.83 s versus 6.83 s for the Bmw 320d. At this point, the Bmw M440i leads by 2.01 s and sits roughly 6 m ahead.

From 100 km/h to 400 metres

At 200 metres, the Bmw M440i is doing 146 km/h against 120 km/h for the Bmw 320d. The gap is 1.03 s. The challenger starts to claw back ground.

At 400 metres standing start, the Bmw M440i crosses the line in 12.93 s versus 14.95 s. The 2.02 s gap represents roughly 80 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the Bmw M440i continues to build its lead. At 600 metres, it runs at 205 km/h versus 166 km/h. At 1,000 metres, the Bmw M440i finishes in 23.15 s versus 27.60 s, with a 4.45 s lead. Both vehicles have similar top speeds (250 (i.e. 155 mph - industry threshold) vs 240 km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the Bmw M440i is capped at 250 (i.e. 155 mph - industry threshold) km/h, the Bmw 320d at 240 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 (4.53 kg/hp vs 8.11 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 11.30 seconds. The 2.01 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

Compare with other alternatives

Swap one of the two models to explore an equivalent duel in the same segment.

Instead of M440i G22
Alpine A110 GT 300Jaguar F-TYPE P300Alpine A110 S 292
Instead of 320d G20
Mercedes CLA 220 LimousineMercedes CLA 220 SaloonMercedes CLA 220 4MATIC Limousine

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M440i vs S5 Avant

AudiVSBmw

A4 40 TDI vs 320d

BmwVSAudi

M440i vs S5 Sedan

VolvoVSBmw

S60 B4 vs 320d

Frequently asked questions

Over 0–100 km/h, M440i G22 wins (4,83 s vs 6,83 s).

M440i G22 goes from 0 to 100 km/h in 4,83 seconds (calibrated simulation).

M440i G22: 374 hp, ratio 4,53 kg/hp. 320d G20: 190 hp, ratio 8,11 kg/hp.

M440i G22: 250 km/h. 320d G20: 240 km/h.