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Mercedes S 450 d 4MATIC Saloon, long version W223 vs Audi A5 Avant: 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.

limousine · 2026 vs 2026 · Methodology
MercedesHybridFaster

S 450 d 4MATIC Saloon, long version W223

367 hp · 750 Nm · 2,255 kg · 2026

VS
AudiPetrol

A5 Avant

204 hp · 340 Nm · 1,710 kg · 2026

Result · 0–100 km/h

AMercedes S 450 d 4MATIC Saloon, long version W223

5.13 s

Gap2.59 sin favour of S 450 d 4MATIC Saloon, long version
BAudi A5 Avant

7.72 s

Summary · Caralogy simulation
MeasureS 450 d 4MATIC Saloon, long version W223A5 AvantGap
0–100 km/h5.13 s7.72 s2.59 s · S 450 d 4MATIC Saloon, long version W223
400 m standing start13.34 s15.71 s2.37 s · S 450 d 4MATIC Saloon, long version W223
1,000 m standing start24.11 s27.94 s3.83 s · S 450 d 4MATIC Saloon, long version W223
Top speed (electronically limited)250 km/h245 km/h5 km/h · S 450 d 4MATIC Saloon, long version W223
Power-to-weight ratio6.14 kg/hp8.38 kg/hpbetter ratio · S 450 d 4MATIC Saloon, long version W223

Watch the race

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

MercedesHybridS 450 d 4MATIC Saloon, long version W223
Speed
0km/h
Timer
0,00s
Distance
0m
AudiPetrolA5 Avant
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.
StageS 450 d 4MATIC Saloon, long version W223A5 Avant
0–30 km/h1.05 s2.12 s
0–50 km/h1.85 s3.53 s
0–80 km/h3.53 s5.76 s
0–100 km/h5.13 s7.72 s
0–120 km/h6.98 s10.23 s
0–160 km/h11.91 s17.35 s
0–200 km/h18.40 s29.43 s
400 m standing start13.34 s15.71 s
1,000 m standing start24.11 s27.94 s
Top speed limited250 km/h245 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.

Mercedes

S 450 d 4MATIC Saloon, long version W223

6,14kg/hpratio better by 2,24 kg/hp
CharacteristicValueDetail
Power367 hpPending
Torque750 Nm
Weight2 255 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxUnknown
Audi

A5 Avant

8,38kg/hpcompensated by −545 kg
CharacteristicValueDetail
Power204 hpPending
Torque340 Nm
Weight1 710 kgmanufacturer kerb weight
DrivetrainTraction
Gearbox7-speed S tronic

The start: 0 to 100 km/h

Off the line, the S 450 d 4MATIC Saloon, long version hits 100 km/h in 5.13 s versus 7.72 s for the A5 Avant. At this point, the S 450 d 4MATIC Saloon, long version leads by 2.59 s and sits roughly 32 m ahead.

From 100 km/h to 400 metres

At 200 metres, the S 450 d 4MATIC Saloon, long version is doing 135 km/h against 122 km/h for the A5 Avant. The gap is 1.84 s. The challenger starts to claw back ground.

At 400 metres standing start, the S 450 d 4MATIC Saloon, long version crosses the line in 13.33 s versus 15.70 s. The 2.37 s gap represents roughly 96 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the S 450 d 4MATIC Saloon, long version continues to build its lead. At 600 metres, it runs at 194 km/h versus 172 km/h. At 1,000 metres, the S 450 d 4MATIC Saloon, long version finishes in 24.11 s versus 27.94 s, with a 3.83 s lead. Both vehicles have similar top speeds (250 (i.e. 155 mph - industry threshold) vs 245 km/h), preventing any comeback.

What the numbers don’t tell you

The S 450 d 4MATIC Saloon, long version features all-wheel drive (AWD) against the A5 Avant’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 S 450 d 4MATIC Saloon, long version is capped at 250 (i.e. 155 mph - industry threshold) km/h, the A5 Avant at 245 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 (6.14 kg/hp vs 8.38 kg/hp) and transmission (Unknown vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 11.72 seconds. The 2.59 s difference in 0 to 100 km/h is mostly felt in motorway merging and overtaking.

Other duels you might be interested in

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S 450 d 4MATIC Saloon, long version vs 740d xDrive

AudiVSBMW

A5 Avant vs 320i

MercedesVSBMW

S 450 d 4MATIC Saloon, long version vs 740Ld xDrive

AudiVSBMW

A5 Avant vs 320i Sedan

Frequently asked questions

Over 0–100 km/h, S 450 d 4MATIC Saloon, long version W223 wins (5,13 s vs 7,72 s).

S 450 d 4MATIC Saloon, long version W223 goes from 0 to 100 km/h in 5,13 seconds (calibrated simulation).

S 450 d 4MATIC Saloon, long version W223: 367 hp, ratio 6,14 kg/hp. A5 Avant: 204 hp, ratio 8,38 kg/hp.

S 450 d 4MATIC Saloon, long version W223: 250 km/h. A5 Avant: 245 km/h.