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A330dDieselvsB320iPetrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • Specs330d · 320i

BMW 330d xDrive Touring G20 vs BMW 320i 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.

saloon · 2019 vs 2019 · Methodology
BMWDieselFaster

330d xDrive Touring G20

265 hp · 580 Nm · 1,745 kg · 2019

VS
BMWPetrol

320i G20

184 hp · 300 Nm · 1,460 kg · 2019

Result · 0–100 km/h

ABMW 330d xDrive Touring G20

5.30 s

Gap1.75 sin favour of 330d xDrive Touring
BBMW 320i G20

7.05 s

Summary · Caralogy simulation
Measure330d xDrive Touring G20320i G20Gap
0–100 km/h5.30 s7.05 s1.75 s · 330d xDrive Touring G20
400 m standing start13.65 s15.12 s1.47 s · 330d xDrive Touring G20
1,000 m standing start25.00 s27.81 s2.81 s · 330d xDrive Touring G20
Top speed (electronically limited)250 km/h234 km/h16 km/h · 330d xDrive Touring G20
Power-to-weight ratio6.58 kg/hp7.93 kg/hpbetter ratio · 330d xDrive Touring G20

Watch the race

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

BMWDiesel330d xDrive Touring G20
Speed
0km/h
Timer
0,00s
Distance
0m
BMWPetrol320i 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.
Stage330d xDrive Touring G20320i G20
0–30 km/h1.24 s · tight gap1.38 s
0–50 km/h2.04 s2.44 s
0–80 km/h3.73 s4.84 s
0–100 km/h5.30 s7.05 s
0–120 km/h7.31 s9.85 s
0–160 km/h12.82 s18.13 s
0–200 km/h21.58 s33.99 s
400 m standing start13.65 s15.12 s
1,000 m standing start25.00 s27.81 s
Top speed limited250 km/h234 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

330d xDrive Touring G20

6,58kg/hpratio better by 1,35 kg/hp
CharacteristicValueDetail
Power265 hp6 cyl
Torque580 Nm
Weight1 745 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed Steptronic transmission
BMW

320i G20

7,93kg/hpcompensated by −285 kg
CharacteristicValueDetail
Power184 hpPending
Torque300 Nm
Weight1 460 kgmanufacturer kerb weight
Drivetrain-
GearboxEight-speed Steptronic transmission

The start: 0 to 100 km/h

Off the line, the 330d xDrive Touring hits 100 km/h in 5.31 s versus 7.05 s for the 320i. At this point, the 330d xDrive Touring leads by 1.75 s and sits roughly 13 m ahead.

From 100 km/h to 400 metres

At 200 metres, the 330d xDrive Touring is doing 133 km/h against 119 km/h for the 320i. The gap is 0.92 s. The challenger starts to claw back ground.

At 400 metres standing start, the 330d xDrive Touring crosses the line in 13.64 s versus 15.11 s. The 1.47 s gap represents roughly 59 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the 330d xDrive Touring continues to build its lead. At 600 metres, it runs at 185 km/h versus 166 km/h. At 1,000 metres, the 330d xDrive Touring finishes in 24.99 s versus 27.81 s, with a 2.81 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the 330d xDrive Touring is capped at 250 (i.e. 155 mph - industry threshold) km/h, the 320i at 235 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 (6.58 kg/hp vs 7.93 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 11.54 seconds. The 1.75 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 330d xDrive Touring G20
Audi A5 Avant TFSI quattro S tronic 150 kWAudi A5 AvantAudi A5 Avant
Instead of 320i G20
Audi A5 SedanAudi A5 Sedan TDI quattro S tronic 150 kW

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Frequently asked questions

Over 0–100 km/h, 330d xDrive Touring G20 wins (5,30 s vs 7,05 s).

330d xDrive Touring G20 goes from 0 to 100 km/h in 5,30 seconds (calibrated simulation).

330d xDrive Touring G20: 265 hp, ratio 6,58 kg/hp. 320i G20: 184 hp, ratio 7,93 kg/hp.

330d xDrive Touring G20: 250 km/h. 320i G20: 234 km/h.