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Tesla Model S P85D vs Mercedes CLA 220 Limousine: 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 · 2014 vs 2025 · Methodology
TeslaBEVFaster

Model S P85D

691 hp · 931 Nm · 2,239 kg · 2014

VS
MercedesHybrid

CLA 220 Limousine

211 hp · 380 Nm · 1,705 kg · 2025

Result · 0–100 km/h

ATesla Model S P85D

3.33 s

Gap3.98 sin favour of Model S P85D
BMercedes CLA 220 Limousine

7.31 s

Summary · Caralogy simulation
MeasureModel S P85DCLA 220 LimousineGap
0–100 km/h3.33 s7.31 s3.98 s · Model S P85D
400 m standing start11.18 s15.32 s4.14 s · Model S P85D
1,000 m standing start20.31 s27.54 s7.23 s · Model S P85D
Top speed (electronically limited)250 km/h240 km/h10 km/h · Model S P85D
Power-to-weight ratio3.24 kg/hp8.08 kg/hpbetter ratio · Model S P85D

Watch the race

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

TeslaBEVModel S P85D
Speed
0km/h
Timer
0,00s
Distance
0m
MercedesHybridCLA 220 Limousine
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 S P85DCLA 220 Limousine
0–30 km/h0.98 s1.78 s
0–50 km/h1.64 s3.00 s
0–80 km/h2.62 s5.21 s
0–100 km/h3.33 s7.31 s
0–120 km/h4.21 s9.81 s
0–160 km/h6.80 s16.96 s
0–200 km/h10.49 s28.48 s
400 m standing start11.18 s15.32 s
1,000 m standing start20.31 s27.54 s
Top speed limited250 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 S P85D

3,24kg/hpratio better by 4,84 kg/hp
CharacteristicValueDetail
Power691 hpDual Permanent Magnet Synchronous Motor
Torque931 Nm
Weight2 239 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxSingle-speed fixed gear
Mercedes

CLA 220 Limousine

8,08kg/hpcompensated by −534 kg
CharacteristicValueDetail
Power211 hpPending
Torque380 Nm
Weight1 705 kgmanufacturer kerb weight
DrivetrainTraction
GearboxUnknown

The start: 0 to 100 km/h

Off the line, the Model S P85D hits 100 km/h in 3.33 s versus 7.31 s for the CLA 220 Limousine. The instant torque of 931 Nm from the electric motor makes the difference. At this point, the Model S P85D leads by 3.98 s and sits roughly 21 m ahead.

From 100 km/h to 400 metres

At 200 metres, the Model S P85D is doing 167 km/h against 122 km/h for the CLA 220 Limousine. The gap is 2.75 s. The challenger starts to claw back ground.

At 400 metres standing start, the Model S P85D crosses the line in 11.17 s versus 15.32 s. The 4.15 s gap represents roughly 162 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the Model S P85D continues to build its lead. At 600 metres, it runs at 232 km/h versus 171 km/h. At 1,000 metres, the Model S P85D finishes in 20.31 s versus 27.53 s, with a 7.22 s lead. Both vehicles have similar top speeds (250 (i.e. 155 mph - industry threshold) vs 240 km/h), preventing any comeback.

What the numbers don’t tell you

The Model S P85D features all-wheel drive (AWD) against the CLA 220 Limousine’s FWD. At low speeds (0-30, 0-50, 0-80 km/h), AWD doubles the driven contact area: all four wheels transmit torque to the road, virtually eliminating wheelspin at launch. This traction advantage is decisive in the range where the motor delivers peak torque, before power and aerodynamics take over.

Both rivals are electronically governed, but not at the same level: the Model S P85D is capped at 249 (i.e. 155 mph - industry threshold) km/h, the CLA 220 Limousine 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 11.41 seconds. The 3.98 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

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Frequently asked questions

Over 0–100 km/h, Model S P85D wins (3,33 s vs 7,31 s).

Model S P85D goes from 0 to 100 km/h in 3,33 seconds (calibrated simulation).

Model S P85D: 691 hp, ratio 3,24 kg/hp. CLA 220 Limousine: 211 hp, ratio 8,08 kg/hp.

Model S P85D: 250 km/h. CLA 220 Limousine: 240 km/h.