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AGiuliaPetrolvsB330dHybrid
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsGiulia · 330d

Alfa Romeo Giulia Quadrifoglio vs BMW 330d 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 · 2024 vs 2020 · Methodology
Alfa RomeoPetrolFaster

Giulia Quadrifoglio

510 hp · 600 Nm · 1,580 kg · 2024

VS
BMWHybrid

330d G20

286 hp · 650 Nm · 1,695 kg · 2020

Result · 0–100 km/h

AAlfa Romeo Giulia Quadrifoglio

3.93 s

Gap1.41 sin favour of Giulia Quadrifoglio
BBMW 330d G20

5.34 s

Summary · Caralogy simulation
MeasureGiulia Quadrifoglio330d G20Gap
0–100 km/h3.93 s5.34 s1.41 s · Giulia Quadrifoglio
400 m standing start11.73 s13.63 s1.90 s · Giulia Quadrifoglio
1,000 m standing start20.92 s24.79 s3.87 s · Giulia Quadrifoglio
Top speed (electronically limited)307 km/h250 km/h57 km/h · Giulia Quadrifoglio
Power-to-weight ratio3.10 kg/hp5.93 kg/hpbetter ratio · Giulia Quadrifoglio

Watch the race

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

Alfa RomeoPetrolGiulia Quadrifoglio
Speed
0km/h
Timer
0,00s
Distance
0m
BMWHybrid330d 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.
StageGiulia Quadrifoglio330d G20
0–30 km/h1.18 s · tight gap1.32 s
0–50 km/h1.97 s2.16 s
0–80 km/h3.17 s3.82 s
0–100 km/h3.93 s5.34 s
0–120 km/h4.96 s7.24 s
0–160 km/h7.56 s12.45 s
0–200 km/h11.31 s20.46 s
400 m standing start11.73 s13.63 s
1,000 m standing start20.92 s24.79 s
Top speed limited307 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.

Alfa Romeo

Giulia Quadrifoglio

3,10kg/hpratio better by 2,83 kg/hp
CharacteristicValueDetail
Power510 hpPending
Torque600 Nm
Weight1 580 kgmanufacturer kerb weight
Drivetrain-
Gearbox8-speed automatic
BMW

330d G20

5,93kg/hpcompensated by −115 kg
CharacteristicValueDetail
Power286 hp6 cyl
Torque650 Nm
Weight1 695 kgmanufacturer kerb weight
Drivetrain-
GearboxEight-speed Steptronic transmission

The start: 0 to 100 km/h

Off the line, the Giulia Quadrifoglio hits 100 km/h in 3.93 s versus 5.34 s for the 330d. At this point, the Giulia Quadrifoglio leads by 1.41 s and sits roughly 7 m ahead.

From 100 km/h to 400 metres

At 200 metres, the Giulia Quadrifoglio is doing 164 km/h against 135 km/h for the 330d. The gap is 1.06 s. The challenger starts to claw back ground.

At 400 metres standing start, the Giulia Quadrifoglio crosses the line in 11.73 s versus 13.63 s. The 1.90 s gap represents roughly 85 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the Giulia Quadrifoglio continues to build its lead. At 600 metres, it runs at 228 km/h versus 188 km/h. At 1,000 metres, the Giulia Quadrifoglio finishes in 20.92 s versus 24.78 s, with a 3.87 s lead.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the Giulia Quadrifoglio is capped at 307 km/h, the 330d at 250 (i.e. 155 mph - industry threshold) 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 (3.10 kg/hp vs 5.93 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 8.35 seconds. The 1.41 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

Other duels you might be interested in

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Frequently asked questions

Over 0–100 km/h, Giulia Quadrifoglio wins (3,93 s vs 5,34 s).

Giulia Quadrifoglio goes from 0 to 100 km/h in 3,93 seconds (calibrated simulation).

Giulia Quadrifoglio: 510 hp, ratio 3,10 kg/hp. 330d G20: 286 hp, ratio 5,93 kg/hp.

Giulia Quadrifoglio: 307 km/h. 330d G20: 250 km/h.