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AM8vsBTT 45Petrol
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  • SpecsM8 · TT 45

BMW M8 Competition Gran Coupe F92 vs Audi TT 45 TFSI: 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 · 2021 vs 2019 · Methodology
BMWPetrolFaster

M8 Competition Gran Coupe F92

625 hp · 750 Nm · 1,995 kg · 2021

VS
AudiPetrol

TT 45 TFSI

245 hp · 370 Nm · 1,330 kg · 2019

Result · 0–100 km/h

ABMW M8 Competition Gran Coupe F92

3.19 s

Gap2.62 sin favour of M8 Competition Gran Coupe
BAudi TT 45 TFSI

5.81 s

Summary · Caralogy simulation
MeasureM8 Competition Gran Coupe F92TT 45 TFSIGap
0–100 km/h3.19 s5.81 s2.62 s · M8 Competition Gran Coupe F92
400 m standing start11.09 s14.07 s2.98 s · M8 Competition Gran Coupe F92
1,000 m standing start20.32 s25.49 s5.17 s · M8 Competition Gran Coupe F92
Top speed (electronically limited)250 km/h251 km/h1 km/h · TT 45 TFSI
Power-to-weight ratio3.19 kg/hp5.43 kg/hpbetter ratio · M8 Competition Gran Coupe F92

Watch the race

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

BMWPetrolM8 Competition Gran Coupe F92
Speed
0km/h
Timer
0,00s
Distance
0m
AudiPetrolTT 45 TFSI
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.
StageM8 Competition Gran Coupe F92TT 45 TFSI
0–30 km/h0.94 s1.56 s
0–50 km/h1.56 s2.60 s
0–80 km/h2.46 s4.29 s
0–100 km/h3.19 s5.81 s
0–120 km/h4.01 s7.75 s
0–160 km/h6.75 s13.21 s
0–200 km/h10.71 s22.61 s
400 m standing start11.09 s14.07 s
1,000 m standing start20.32 s25.49 s
Top speed limited250 km/h251 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.

BMW

M8 Competition Gran Coupe F92

3,19kg/hpratio better by 2,24 kg/hp
CharacteristicValueDetail
Power625 hpPending
Torque750 Nm
Weight1 995 kgmanufacturer kerb weight
DrivetrainIntegrale (AWD)
GearboxEight-speed M Steptronic transmission with Drivelogic, transmission oil cooling
Audi

TT 45 TFSI

5,43kg/hpcompensated by −665 kg
CharacteristicValueDetail
Power245 hpPending
Torque370 Nm
Weight1 330 kgmanufacturer kerb weight
DrivetrainTraction
Gearbox7-speed S tronic

The start: 0 to 100 km/h

Off the line, the M8 Competition Gran Coupe hits 100 km/h in 3.19 s versus 5.81 s for the TT 45 TFSI. At this point, the M8 Competition Gran Coupe leads by 2.62 s and sits roughly 18 m ahead.

From 100 km/h to 400 metres

At 200 metres, the M8 Competition Gran Coupe is doing 166 km/h against 133 km/h for the TT 45 TFSI. The gap is 2.04 s. The challenger starts to claw back ground.

At 400 metres standing start, the M8 Competition Gran Coupe crosses the line in 11.09 s versus 14.06 s. The 2.97 s gap represents roughly 129 m of track - a gap visible to the naked eye.

Beyond 400 metres: top speed comes into play

Past 400 metres, the M8 Competition Gran Coupe continues to build its lead. At 600 metres, it runs at 229 km/h versus 184 km/h. At 1,000 metres, the M8 Competition Gran Coupe finishes in 20.32 s versus 25.49 s, with a 5.17 s lead. Both vehicles have similar top speeds (250 (i.e. 155 mph - industry threshold) vs 251 (i.e. 155 mph - industry threshold) km/h), preventing any comeback.

What the numbers don’t tell you

The M8 Competition Gran Coupe features all-wheel drive (AWD) against the TT 45 TFSI’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.

Electronically capped at 250 (i.e. 155 mph - industry threshold) km/h, the M8 Competition Gran Coupe 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 (3.19 kg/hp vs 5.43 kg/hp) and transmission (Automatic vs Automatic).

In European road use (130 km/h max), both vehicles reach the legal speed limit in under 8.89 seconds. The 2.62 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, M8 Competition Gran Coupe F92 wins (3,19 s vs 5,81 s).

M8 Competition Gran Coupe F92 goes from 0 to 100 km/h in 3,19 seconds (calibrated simulation).

M8 Competition Gran Coupe F92: 625 hp, ratio 3,19 kg/hp. TT 45 TFSI: 245 hp, ratio 5,43 kg/hp.

M8 Competition Gran Coupe F92: 250 km/h. TT 45 TFSI: 251 km/h.