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Home›Duel›Alfa Romeo Giulia vs BMW M3

Performance comparison

Alfa Romeo Giulia Quadrifoglio vs BMW M3 Competition F80: 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.

Alfa RomeoPetrol

Giulia Quadrifoglio

510 hp · 600 Nm · 1,580 kg · 2016

VS
BMWPetrolFaster

M3 Competition F80

510 hp · 650 Nm · 1,730 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.

Giulia QuadrifoglioM3 Competition F80
0–100 km/h3,94 s3,88 s+0,06 s
400 m standing start11,74 s11,65 s+0,09 s
1,000 m standing start20,93 s20,92 s+0,01 s
Top speed (electronically limited)307 km/h+57 km/h250 km/h
Power-to-weight ratio3,10 kg/hpbetter ratio3,39 kg/hp

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
BMWPetrolM3 Competition F80
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.

PalierGiulia QuadrifoglioM3 Competition F80
0–30 km/h1,19 s1,14 stight gap
0–50 km/h1,98 s1,90 stight gap
0–80 km/h3,18 s3,01 s
0–100 km/h3,94 s3,88 stight gap
0–120 km/h4,97 s4,84 stight gap
0–160 km/h7,57 s7,51 stight gap
0–200 km/h11,32 s11,33 stight gap
400 m standing start11,74 s11,65 stight gap
1,000 m standing start20,93 s20,92 stight gap
Top speed limited307 km/h250 km/h

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 0,29 kg/hp
CharacteristicValueDetail
Power510 hpPending
Torque600 Nm
Weight1 580 kgmanufacturer kerb weight
Drivetrain—
Gearbox8-speed automatic
BMW

M3 Competition F80

3,39kg/hpcompensated by −150 kg
CharacteristicValueDetail
Power510 hpPending
Torque650 Nm
Weight1 730 kgmanufacturer kerb weight
DrivetrainM3 Competition
GearboxEight-speed M Steptronic transmission with Drivelogic

The start: 0 to 100 km/h

Off the line, the Bmw M3 Competition hits 100 km/h in 3.88 s versus 3.94 s for the Giulia Quadrifoglio. The 0.06 s gap is negligible: both vehicles are neck and neck.

From 100 km/h to 400 metres

At 200 metres, the Bmw M3 Competition is doing 163 km/h against 164 km/h for the Giulia Quadrifoglio. The gap is 0.09 s. The gap remains stable from the start.

At 400 metres standing start, the Bmw M3 Competition crosses the line in 11.64 s versus 11.74 s. The 0.09 s gap represents roughly 5 m of track — barely a car length.

Beyond 400 metres: top speed comes into play

Past 400 metres, the gap narrows. The Bmw M3 Competition maxes out at 250 (i.e. 155 mph — industry threshold) km/h while the Giulia Quadrifoglio keeps accelerating towards 307 km/h. At 600 metres, the gap has dropped to 0.07 s.

At 1,000 metres, the Bmw M3 Competition finishes in 20.91 s versus 20.93 s, with just 0.01 s to spare. The Giulia Quadrifoglio fails to fully close the launch gap.

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 Bmw M3 Competition 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 3.39 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 5.51 seconds. The 0.06 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 Giulia Quadrifoglio
Bmw M5 CSMercedes Maybach S 680Audi S8
Instead of M3 Competition F80
Mercedes Maybach S 680Audi S8Alfa Romeo Giulia Quadrifoglio

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Frequently asked questions

Sur 0–100 km/h, M3 Competition F80 gagne (3,88 s vs 3,94 s).

Giulia Quadrifoglio passe de 0 à 100 km/h en 3,94 secondes (simulation calibrée).

Giulia Quadrifoglio : 510 hp, ratio 3,10 kg/hp. M3 Competition F80 : 510 hp, ratio 3,39 kg/hp.

Giulia Quadrifoglio : 307 km/h. M3 Competition F80 : 250 km/h.