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AModelBEVvsBGiuliaPetrol
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  • SpecsModel · Giulia

Tesla Model X 90D vs Alfa Romeo Giulia Veloce: 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.

large SUV · 2016 vs 2024 · Methodology
TeslaBEVFaster

Model X 90D

532 hp · 967 Nm · 2,441 kg · 2016

VS
Alfa RomeoPetrol

Giulia Veloce

280 hp · 400 Nm · 1,590 kg · 2024

Result · 0–100 km/h

ATesla Model X 90D

5.03 s

Gap0.22 sin favour of Model X 90D
BAlfa Romeo Giulia Veloce

5.25 s

Summary · Caralogy simulation
MeasureModel X 90DGiulia VeloceGap
0–100 km/h5.03 s5.25 s0.22 s · Model X 90D
400 m standing start13.07 s13.56 s0.49 s · Model X 90D
1,000 m standing start23.32 s24.89 s1.57 s · Model X 90D
Top speed (electronically limited)249 km/h240 km/h9 km/h · Model X 90D
Power-to-weight ratio4.59 kg/hp5.68 kg/hpbetter ratio · Model X 90D

Watch the race

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

TeslaBEVModel X 90D
Speed
0km/h
Timer
0,00s
Distance
0m
Alfa RomeoPetrolGiulia Veloce
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.
StageModel X 90DGiulia Veloce
0–30 km/h1.49 s1.41 s · tight gap
0–50 km/h2.49 s2.11 s
0–80 km/h3.99 s3.73 s
0–100 km/h5.03 s5.25 s
0–120 km/h6.30 s7.04 s
0–160 km/h10.16 s12.32 s
0–200 km/h15.94 s21.59 s
400 m standing start13.07 s13.56 s
1,000 m standing start23.32 s24.89 s
Top speed249 km/h240 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.

Tesla

Model X 90D

4,59kg/hpratio better by 1,09 kg/hp
CharacteristicValueDetail
Power532 hpDual Permanent Magnet Synchronous Motor
Torque967 Nm
Weight2 441 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxSingle-speed fixed gear
Alfa Romeo

Giulia Veloce

5,68kg/hpcompensated by −851 kg
CharacteristicValueDetail
Power280 hpPending
Torque400 Nm
Weight1 590 kgmanufacturer kerb weight
Drivetrain-
Gearbox8-speed automatic

The start: 0 to 100 km/h

Off the line, the Model X 90D hits 100 km/h in 5.03 s versus 5.26 s for the Giulia Veloce. The instant torque of 967 Nm from the electric motor makes the difference. Despite the faster sprint time, the Giulia Veloce is 5 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 Model X 90D is doing 147 km/h against 135 km/h for the Giulia Veloce. The gap is 0.11 s. The challenger starts to claw back ground.

At 400 metres standing start, the Model X 90D crosses the line in 13.07 s versus 13.56 s. The 0.49 s gap represents roughly 23 m of track - two to three car lengths.

Beyond 400 metres: top speed comes into play

Past 400 metres, the Model X 90D continues to build its lead. At 600 metres, it runs at 205 km/h versus 186 km/h. At 1,000 metres, the Model X 90D finishes in 23.32 s versus 24.89 s, with a 1.57 s lead. Both vehicles have similar top speeds (249 (i.e. 155 mph - industry threshold) vs 240 km/h), preventing any comeback.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the Model X 90D is capped at 249 (i.e. 155 mph - industry threshold) km/h, the Giulia Veloce at 240 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.

Instant electric torque gives an advantage off the line. The higher top speed of the combustion engine gives an advantage over longer distances. The distance at which one catches the other depends on the top speed differential.

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 8.11 seconds. The 0.22 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

Other duels you might be interested in

TeslaVSBMW

Model X 90D vs iX xDrive50

AlfaVSBMW

Romeo Giulia Veloce vs 330i

TeslaVSBMW

Model X 90D vs iX xDrive40

AlfaVSBMW

Romeo Giulia Veloce vs 330i Sedan

Frequently asked questions

Over 0–100 km/h, Model X 90D wins (5,03 s vs 5,25 s).

Model X 90D goes from 0 to 100 km/h in 5,03 seconds (calibrated simulation).

Model X 90D: 532 hp, ratio 4,59 kg/hp. Giulia Veloce: 280 hp, ratio 5,68 kg/hp.

Model X 90D: 249 km/h. Giulia Veloce: 240 km/h.