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ARS6vsBGiuliaPetrol
  • MotorwayMotorwayRange and charging
  • PerformancePerformance0-100, top speed
  • ConsumptionConsumptionYearly cost
  • SpecsRS6 · Giulia

Audi RS6 Performance Avant vs Alfa Romeo Giulia Quadrifoglio: 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 · 2023 vs 2016 · Methodology
AudiPetrolFaster

RS6 Performance Avant

630 hp · 850 Nm · 2,175 kg · 2023

VS
Alfa RomeoPetrol

Giulia Quadrifoglio

510 hp · 600 Nm · 1,580 kg · 2016

Result · 0–100 km/h

AAudi RS6 Performance Avant

3.46 s

Gap0.48 sin favour of RS6 Performance Avant
BAlfa Romeo Giulia Quadrifoglio

3.94 s

Summary · Caralogy simulation
MeasureRS6 Performance AvantGiulia QuadrifoglioGap
0–100 km/h3.46 s3.94 s0.48 s · RS6 Performance Avant
400 m standing start11.31 s11.74 s0.43 s · RS6 Performance Avant
1,000 m standing start20.37 s20.93 s0.56 s · RS6 Performance Avant
Top speed (electronically limited)346 km/h307 km/h39 km/h · RS6 Performance Avant
Power-to-weight ratio3.45 kg/hp3.10 kg/hpbetter ratio · Giulia Quadrifoglio

Watch the race

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

AudiPetrolRS6 Performance Avant
Speed
0km/h
Timer
0,00s
Distance
0m
Alfa RomeoPetrolGiulia Quadrifoglio
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.
StageRS6 Performance AvantGiulia Quadrifoglio
0–30 km/h0.99 s1.19 s
0–50 km/h1.65 s1.98 s
0–80 km/h2.63 s3.18 s
0–100 km/h3.46 s3.94 s
0–120 km/h4.45 s4.97 s
0–160 km/h7.06 s7.57 s
0–200 km/h10.72 s11.32 s
400 m standing start11.31 s11.74 s
1,000 m standing start20.37 s20.93 s
Top speed346 km/h307 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.

Audi

RS6 Performance Avant

3,45kg/hpcompensated by −595 kg
CharacteristicValueDetail
Power630 hpPending
Torque850 Nm
Weight2 175 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
Gearbox8-speed tiptronic
Alfa Romeo

Giulia Quadrifoglio

3,10kg/hpratio better by 0,35 kg/hp
CharacteristicValueDetail
Power510 hpPending
Torque600 Nm
Weight1 580 kgmanufacturer kerb weight
Drivetrain-
Gearbox8-speed automatic

The start: 0 to 100 km/h

Off the line, the RS6 Performance Avant hits 100 km/h in 3.46 s versus 3.94 s for the Giulia Quadrifoglio. At this point, the RS6 Performance Avant leads by 0.48 s and sits roughly 8 m ahead.

From 100 km/h to 400 metres

At 200 metres, the RS6 Performance Avant is doing 165 km/h against 164 km/h for the Giulia Quadrifoglio. The gap is 0.40 s. The gap remains stable from the start.

At 400 metres standing start, the RS6 Performance Avant crosses the line in 11.30 s versus 11.74 s. The 0.43 s gap represents roughly 24 m of track - two to three car lengths.

Beyond 400 metres: top speed comes into play

Past 400 metres, the RS6 Performance Avant continues to build its lead. At 600 metres, it runs at 231 km/h versus 228 km/h. At 1,000 metres, the RS6 Performance Avant finishes in 20.37 s versus 20.93 s, with a 0.56 s lead.

What the numbers don’t tell you

Electronically capped at 307 km/h, the Giulia Quadrifoglio never reaches its natural aerodynamic ceiling in this duel. That’s not a physical limit of the motor - it’s a deliberate manufacturer decision, typically tied to standard-fit tyre ratings or model-range positioning.

With two combustion powertrains, the difference comes down to power-to-weight ratio (3.45 kg/hp vs 3.10 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 0.48 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 CSBMW M5 CompetitionBMW M5 Competition

Other duels you might be interested in

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RS6 Performance Avant vs M5 Competition

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Romeo Giulia Quadrifoglio vs M3 Competition

AudiVSBMW

RS6 Performance Avant vs M5 Competition

AlfaVSBMW

Romeo Giulia Quadrifoglio vs M3 Competition Sedan

Frequently asked questions

Over 0–100 km/h, RS6 Performance Avant wins (3,46 s vs 3,94 s).

RS6 Performance Avant goes from 0 to 100 km/h in 3,46 seconds (calibrated simulation).

RS6 Performance Avant: 630 hp, ratio 3,45 kg/hp. Giulia Quadrifoglio: 510 hp, ratio 3,10 kg/hp.

RS6 Performance Avant: 346 km/h. Giulia Quadrifoglio: 307 km/h.