3.5
Ben Oliver,
13 January 2008 21:56
General Motors has unveiled its fastest, most powerful production model ever. Official figures have yet to be released but insiders say the Corvette ZR1 is likely to top 200mph and crack 60mph in a little over 3 seconds. Its new supercharged, 6.2-litre LS9 V8 makes 620bhp and 595lb ft of torque, which GM claims gives the ZR1 a better power-to-weight ...
