BMW M3 Cabrio vs Alpina Z4 Roadster S

Picture of BMW M3 Cabrio (E46)
Picture of Alpina Z4 Roadster S
Category BMW M3 Cabrio (E46)Alpina Z4 Roadster S
Engine layout 3.2 l R63.4 l R6
Max power (ps / bhp) 343 / 338300 / 296
Max torque (Nm / lb-ft) 365 / 269362 / 267
Curb weight (kg / lb) 1655 / 36491416 / 3122
Power / tonne (ps / bhp) 207 / 204212 / 209

Lap Times

Track BMW M3 Cabrio (E46)Alpina Z4 Roadster S
Hockenheim Short 1:18.401:14.40
Oschersleben 1:51.001:51.02

Performance

Category BMW M3 Cabrio (E46)Alpina Z4 Roadster S
0 - 100 kph 5.5 s5.0 s
0 - 200 kph 19.8 s17.8 s
Est. 100 - 200 kph 14.3 s12.8 s
0 - 100 mph 12.4 s11.6 s
Est. 1/8 mile 9.6 s @ 88.9 mph9.3 s @ 92.6 mph
Top speed 250 kph (155 mph)265 kph (165 mph)
Est. max acceleration 0.57 g (6 m/s²)0.62 g (6 m/s²)

Summary

Category BMW M3 Cabrio (E46)Alpina Z4 Roadster S
Track Performance 185200
Straight line speed 554700
Total 739900

Verdict

Z4 Roadster S is the fastest by a small margin.

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