Mercedes is upgrading the SL with new V6 and V8 engines and revisions to the V12. The SL500 now has a 383bhp 5.5-litre V8 that helps drop the 0-62mph sprint to 5.4sec. The new V6 in the SL350 rustles up 268bhp.
The classic Porsche 911 is overhyped, according to the man dedicated to perfecting it
Kalmar Automotive's mission is to create the perfect Porsches for 'nerds' and push the limits, making 911s into everything from rally cars to hypercar…