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A630dDieselvsB330iPetrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs630d · 330i

BMW 630d Gran Turismo G32 vs BMW 330i 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.

grand tourer · 2018 vs 2019 · Methodology
BMWDiesel

630d Gran Turismo G32

265 hp · 620 Nm · 1,825 kg · 2018

VS
BMWPetrolFaster

330i G20

258 hp · 400 Nm · 1,470 kg · 2019

Result · 0–100 km/h

ABMW 630d Gran Turismo G32

6.06 s

Gap0.18 sin favour of 330i
BBMW 330i G20

5.88 s

Summary · Caralogy simulation
Measure630d Gran Turismo G32330i G20Gap
0–100 km/h6.06 s5.88 s0.18 s · 330i G20
400 m standing start14.33 s14.04 s0.29 s · 330i G20
1,000 m standing start26.17 s25.09 s1.08 s · 330i G20
Top speed (electronically limited)250 km/h250 km/hSame
Power-to-weight ratio6.89 kg/hp5.70 kg/hpbetter ratio · 330i G20

Watch the race

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

BMWDiesel630d Gran Turismo G32
Speed
0km/h
Timer
0,00s
Distance
0m
BMWPetrol330i 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.
Stage630d Gran Turismo G32330i G20
0–30 km/h1.41 s1.65 s
0–50 km/h2.34 s2.75 s
0–80 km/h4.26 s4.41 s
0–100 km/h6.06 s5.88 s
0–120 km/h8.33 s7.68 s
0–160 km/h14.75 s12.65 s
0–200 km/h25.39 s20.34 s
400 m standing start14.33 s14.04 s
1,000 m standing start26.17 s25.09 s
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

630d Gran Turismo G32

6,89kg/hpcompensated by −355 kg
CharacteristicValueDetail
Power265 hp6 cyl
Torque620 Nm
Weight1 825 kgmanufacturer kerb weight
Drivetrain-
Gearbox8-speed Steptronic
BMW

330i G20

5,70kg/hpratio better by 1,19 kg/hp
CharacteristicValueDetail
Power258 hpPending
Torque400 Nm
Weight1 470 kgmanufacturer kerb weight
Drivetrain-
GearboxEight-speed Steptronic transmission

The start: 0 to 100 km/h

Off the line, the 330i hits 100 km/h in 5.88 s versus 6.06 s for the 630d Gran Turismo. Despite the faster sprint time, the 630d Gran Turismo is 6 m further along the track at this moment: stronger low-speed acceleration offsets a slower run beyond 100 km/h.

From 100 km/h to 400 metres

At 200 metres, the 630d Gran Turismo is doing 127 km/h against 135 km/h for the 330i. The gap is 0.02 s. The challenger starts to claw back ground.

At 400 metres standing start, the 330i crosses the line in 14.04 s versus 14.32 s. The 0.29 s gap represents roughly 13 m of track - two to three car lengths.

Beyond 400 metres: top speed comes into play

Past 400 metres, the 330i continues to build its lead. At 600 metres, it runs at 190 km/h versus 177 km/h. At 1,000 metres, the 330i finishes in 25.09 s versus 26.17 s, with a 1.08 s lead. Both vehicles have similar top speeds (250 (i.e. 155 mph - industry threshold) vs 250 (i.e. 155 mph - industry threshold) km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals share the same electronic speed cap: the 630d Gran Turismo and the 330i 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.

With two combustion powertrains, the difference comes down to power-to-weight ratio (6.89 kg/hp vs 5.70 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 9.67 seconds. The 0.18 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 630d Gran Turismo G32
Alfa Romeo Giulia Veloce
Instead of 330i G20
Audi A6 Sedan TDI quattro S tronic 220 kW

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Frequently asked questions

Over 0–100 km/h, 330i G20 wins (5,88 s vs 6,06 s).

630d Gran Turismo G32 goes from 0 to 100 km/h in 6,06 seconds (calibrated simulation).

630d Gran Turismo G32: 265 hp, ratio 6,89 kg/hp. 330i G20: 258 hp, ratio 5,70 kg/hp.

630d Gran Turismo G32: 250 km/h. 330i G20: 250 km/h.