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 Porsche 911 GT4 Challenge is coming, and it might be the most confusing model ever
Porsche is readying its replacement for the Cayman GT4 Clubsport racer, the 911 GT4, and we’ve spotted it completing its final testing ahead of its la…