the mkIII is 232hp @5,600 rpm, 254ft-lbs@3,200rpm, 0-60mph 6.7 sec, in 5 speed manual, 18-28mpg fuel consumption and weighs around 1600kgs. This is based on the us spec 7mgte engine car(i think also for everywhere else around world except japan).
the mkIV is 320hp@5,600rpm, 315ft-lbs@4000prm, 5.3sec 0-60mph and weighs around 1549kgs.this is based on six speed manual not from japan.
hope i helped