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Home›Duel›Mercedes CLA 350 vs Alfa Romeo Giulia

Performance comparison

Mercedes CLA 350 4MATIC mit EQ Technologie 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.

MercedesBEVFaster

CLA 350 4MATIC mit EQ Technologie

354 hp · 515 Nm · 2,135 kg · 2025

VS
Alfa RomeoPetrol

Giulia Veloce

280 hp · 400 Nm · 1,590 kg · 2024

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.

CLA 350 4MATIC mit EQ TechnologieGiulia Veloce
0–100 km/h4,95 s−0,31 s5,25 s
400 m standing start13,32 s−0,24 s13,56 s
1,000 m standing start24,37 s−0,52 s24,89 s
Top speed (electronically limited)210 km/h240 km/h−30 km/h
Power-to-weight ratio6,03 kg/hp5,68 kg/hpbetter ratio

Watch the race

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

MercedesBEVCLA 350 4MATIC mit EQ Technologie
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. Winner in green.

PalierCLA 350 4MATIC mit EQ TechnologieGiulia Veloce
0–30 km/h1,31 s1,41 stight gap
0–50 km/h2,19 s2,11 stight gap
0–80 km/h3,63 s3,73 stight gap
0–100 km/h4,95 s5,25 s
0–120 km/h6,61 s7,04 s
0–160 km/h11,72 s12,32 s
0–200 km/h19,43 s21,59 s
400 m standing start13,32 s13,56 s
1,000 m standing start24,37 s24,89 s
Top speed210 km/h240 km/h

Under the bonnet

Manufacturer technical specifications. The power-to-weight ratio is the key physical factor in a drag race.

Mercedes

CLA 350 4MATIC mit EQ Technologie

6,03kg/hpcompensated by −545 kg
CharacteristicValueDetail
Power354 hpPending
Torque515 Nm
Weight2 135 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxUnknown
Alfa Romeo

Giulia Veloce

5,68kg/hpratio better by 0,35 kg/hp
CharacteristicValueDetail
Power280 hpPending
Torque400 Nm
Weight1 590 kgmanufacturer kerb weight
DrivetrainGiulia Veloce 2024
Gearbox8-speed automatic

The start: 0 to 100 km/h

Off the line, the CLA 350 4MATIC mit EQ Technologie hits 100 km/h in 4.95 s versus 5.26 s for the Giulia Veloce. The instant torque of 515 Nm from the electric motor makes the difference. At this point, the CLA 350 4MATIC mit EQ Technologie leads by 0.31 s and sits roughly 2 m ahead.

From 100 km/h to 400 metres

At 200 metres, the CLA 350 4MATIC mit EQ Technologie is doing 139 km/h against 135 km/h for the Giulia Veloce. The gap is 0.16 s. The challenger starts to claw back ground.

At 400 metres standing start, the CLA 350 4MATIC mit EQ Technologie crosses the line in 13.32 s versus 13.56 s. The 0.24 s gap represents roughly 11 m of track — two to three car lengths.

Beyond 400 metres: top speed comes into play

Past 400 metres, the CLA 350 4MATIC mit EQ Technologie continues to build its lead. At 600 metres, it runs at 190 km/h versus 186 km/h. At 1,000 metres, the CLA 350 4MATIC mit EQ Technologie finishes in 24.37 s versus 24.89 s, with a 0.52 s lead. Despite a higher top speed (240 km/h), the Giulia Veloce never recovers its launch deficit.

What the numbers don’t tell you

Both rivals are electronically governed, but not at the same level: the CLA 350 4MATIC mit EQ Technologie is capped at 210 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 0.31 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 CLA 350 4MATIC mit EQ Technologie
Tesla Model 3 PerformanceXpeng P7Audi A6 Sportback e-tron quattro 315 kW
Instead of Giulia Veloce
Bmw M240iAudi A6 Sedan TDI quattro S tronic 220 kWMercedes V 300 d 4MATIC (long)

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M240i vs CLA 350 4MATIC mit EQ Technologie

AlfaVSBmw

Romeo Giulia Veloce vs 620d Gran Turismo

Frequently asked questions

Sur 0–100 km/h, CLA 350 4MATIC mit EQ Technologie gagne (4,95 s vs 5,25 s).

CLA 350 4MATIC mit EQ Technologie passe de 0 à 100 km/h en 4,95 secondes (simulation calibrée).

CLA 350 4MATIC mit EQ Technologie : 354 hp, ratio 6,03 kg/hp. Giulia Veloce : 280 hp, ratio 5,68 kg/hp.

CLA 350 4MATIC mit EQ Technologie : 210 km/h. Giulia Veloce : 240 km/h.