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MG XPower 4.6 V8 320

The MG XPower 4.6 V8 320 reaches 60 mph in 4.89 s (100 km/h in 5.10 s) and covers a standing quarter mile in 13.25 s, tripping the lights at 107.8 mph. It clears the first 60 ft in 2.28 s and the eighth mile in 8.69 s, reaching 100 mph in 11.00 s.

Simulated, not measured — computed from published kerb mass, rated power, gearing and drivetrain, then fitted to this car’s own published acceleration figures. Dry asphalt, 20 °C, sea level, 1 ft rollout.

MG XPower 4.6 V8 320 Aston Martin V8 Vantage 5.3 V8 394

Pick who it runs against, then watch it happen — and change the surface, the weather or the distance and run it again.

Down the strip

Standing start MG XPower 4.6 V8 320
0–60 mph4.89 s
0–100 km/h5.10 s
0–100 mph11.00 s
60 ft2.28 s
1/8 mile8.69 s
1/4 mile13.25 s
Trap speed107.8 mph

About the XPower 4.6 V8 320

The 2004 MG XPower 4.6 V8 320 is a rear-drive naturally aspirated saloon of 1,540 kg with 315 bhp, which works out at 205 bhp per tonne. Rear drive and 205 bhp per tonne make the launch the hard part of the run: 60 ft takes 2.28 s. Against the 14,946 cars in the set it is the 2,051st quickest to 60 mph, inside the fastest quarter, and the 6th quickest of the 61 MGs here. Its 107.8 mph trap speed sits about where its 0-60 puts it, so it launches and pulls in roughly equal measure. The simulation is trimmed to 2 of 2 published acceleration figures for this car.

On paper

Specification MG XPower 4.6 V8 320
Year2004
Power315 hp (235 kW)
Kerb mass1,540 kg
Power to weight205 bhp/t
DrivetrainRear drive
Gears5
EngineNaturally aspirated
Top speed165 mph (266 km/h), quoted

Similar cars

CarYear 0–601/4 mileTrapPower
Aston Martin V8 Vantage 5.3 V8 39419774.89 s13.19 s108.6 mph389 bhp
Infiniti M56 Mk IV20114.92 s13.28 s104.9 mph420 bhp
Subaru Impreza WRX STi 2.5 Turbo 28020054.88 s13.29 s102.5 mph276 bhp

Picked for a fair race, not just a matching 0-60: pace, power-to-weight and body shape all count, and at most one is from the same maker.

Where these times sit

0-60 under 5 seconds2,158 cars0-100 km/h under 6 seconds2,894 carsQuarter mile under 14 seconds2,644 cars0-100 under 12 seconds1,963 carsTraps over 100 mph2,737 carsSlower in the wetevery car, re-runThe cost of altitudeevery car, re-runThe cost of a passengerevery car, re-run
MG 0-60 timesevery modelFastest saloon cars3,808 carsFastest cars of the 2000s5,138 cars
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Questions

What is the MG XPower 4.6 V8 320 0-60 time?
The MG XPower 4.6 V8 320 reaches 60 mph in 4.89 s, simulated on dry asphalt at 20 °C with a 1 ft rollout. That makes it the 2,051st quickest of the 14,946 cars in the set.
What is the MG XPower 4.6 V8 320 quarter mile time?
13.25 s at 107.8 mph. It reaches the eighth mile in 8.69 s and clears the first 60 ft in 2.28 s. These are theoretical times from a physics simulation, not measured runs.
How much power does the MG XPower 4.6 V8 320 have?
315 bhp and 1,540 kg, which is 205 bhp per tonne. It is rear-drive, naturally aspirated, with 5 gears and a quoted top speed of 266 km/h. These are theoretical times from a physics simulation, not measured runs.
What cars are comparable to the MG XPower 4.6 V8 320?
Closest here on pace: Aston Martin V8 Vantage 5.3 V8 394 (4.89 s), Infiniti M56 Mk IV (4.92 s), Subaru Impreza WRX STi 2.5 Turbo 280 (4.88 s). Each one can be raced against the MG XPower 4.6 V8 320 in the panel at the top of this page. These are theoretical times from a physics simulation, not measured runs.
Are these real measured times?
No. Every figure on this page is produced by a physics simulation, not by a stopwatch at a drag strip. The MG XPower 4.6 V8 320 is modelled from its published kerb mass, rated power, drivetrain and gearing, then trimmed until it reproduces 2 of its 2 published acceleration figures. Conditions are the same for every car in the set: dry asphalt, 20 °C, sea level, 1 ft rollout.

Figures regenerated 2026-10-12. Every number on this page is computed by the simulator at build time, so the page and the app can never disagree.