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Audi R8 LMX vs Audi A8 4.2 quattro

Over a standing quarter mile on dry asphalt the Audi R8 LMX is the quicker car, covering it in 11.23 s at 127.5 mph against the Audi A8 4.2 quattro’s 14.61 s — a margin of 3.38 s. To 60 mph the Audi R8 LMX takes 3.11 s and the Audi A8 4.2 quattro 6.36 s.

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

Audi R8 LMX Audi A8 4.2 quattro

Watch the run in full — then change the surface, the weather or the distance and run it again.

Down the strip

Standing startAudi R8 LMXAudi A8 4.2 quattro
0–60 mph3.11 s6.36 s
0–100 mph7.48 s—
60 ft1.76 s2.41 s
1/8 mile7.28 s9.58 s
1/4 mile11.23 s14.61 s
Trap speed127.5 mph99.9 mph

Each car is trimmed to its own published figures — 8/11 for the Audi R8 LMX, 9/10 for the Audi A8 4.2 quattro — so a heavier car can still be the quicker one if that is what it tests.

On paper

SpecificationAudi R8 LMXAudi A8 4.2 quattro
Year20142002
Power562 bhp330 bhp
Kerb mass1,595 kg1,780 kg
Power to weight352 bhp/t185 bhp/t
DrivetrainAll-wheel driveAll-wheel drive
EngineNaturally aspiratedNaturally aspirated

Where these times sit

0-60 under 4 seconds1,060 cars0-100 km/h under 4 seconds881 carsQuarter mile under 12 seconds780 cars0-100 under 9 seconds871 carsSlower in the wetevery car, re-runThe cost of altitudeevery car, re-runThe cost of a passengerevery car, re-run
Audi 0-60 timesevery modelFastest 4x4s and all-wheel-drive cars2,989 cars

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Questions

Is the Audi R8 LMX or the Audi A8 4.2 quattro faster?
The Audi R8 LMX. Over a standing quarter mile it runs 11.23 s to the Audi A8 4.2 quattro's 14.61 s, a margin of 3.38 s, and it reaches 60 mph in 3.11 s against 6.36 s. These are theoretical times from a physics simulation, not measured runs.
What is the Audi R8 LMX 0-60 time?
The Audi R8 LMX reaches 60 mph in 3.11 s, simulated on dry asphalt at 20 °C with a 1 ft rollout. It covers the standing quarter mile in 11.23 s at 127.5 mph.
What is the Audi A8 4.2 quattro 0-60 time?
The Audi A8 4.2 quattro reaches 60 mph in 6.36 s, simulated on dry asphalt at 20 °C with a 1 ft rollout. It covers the standing quarter mile in 14.61 s at 99.9 mph.
What trap speed does each car run?
The Audi R8 LMX trips the lights at 127.5 mph and the Audi A8 4.2 quattro at 99.9 mph at the end of the quarter mile. These are theoretical times from a physics simulation, not measured runs.
Are these real measured times?
No. Every time on this page is produced by a physics simulation, not by a stopwatch at a drag strip. Each car is modelled from its published kerb mass, rated power, drivetrain and gearing, then trimmed until it matches its own published acceleration figures — 8 of 11 for the Audi R8 LMX and 9 of 10 for the Audi A8 4.2 quattro. Conditions are identical for both cars: 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.