M5 - Considered it, spoke to two friends who'd both had one, dismissed it utterly.
XFR - no one ever bought one, ever. They're simply not available second hand.
E63 - on the fence, same friend who had the M5 had one of these, said it was the only car that's ever truly scared him when the rear tyres broke traction at ~70 on the motorway, in the dry, in a straight line.
M5 - Considered it, spoke to two friends who'd both had one, dismissed it utterly.
XFR - no one ever bought one, ever. They're simply not available second hand.
E63 - on the fence, same friend who had the M5 had one of these, said it was the only car that's ever truly scared him when the rear tyres broke traction at ~70 on the motorway, in the dry, in a straight line.