Since we are judging these two cars by magazine figures:
Car And Driver:
"With 1940 miles on it, we took the M3 to the test track and measured a 0-to-60 time of 4.5 seconds and a standing quarter-mile of 13.1 seconds at 107 mph. The electric-blue M3 also showed great grip, managing 0.87 g on the skidpad and stopping from 70 mph in 161 feet."
2003 Impreza WRX
"With 227 horsepower on tap from its 2.0-liter turbocharged flat-four, the WRX can sprint turn for turn with such cars as the BMW 330i" (Not the M3)
"The quickest WRX we'd tested hit 60 mph in a stunning 5.4 seconds, whereas our new baby needed 5.9"
Past: 1998 323is (E36)
1986 325e (E30)
Present: 1997 Jetta GLX VR6
2004 325iT (E46) (pops)