ListNine of the finest six-cylinder performance cars on sale right nowFirst DriveVolkswagen Passat R-Line 2.0 TSI review: turbo estate is ace, but there's one problem...First DriveMercedes-Maybach SL680 review: the most SL of all modern SLs?Formula OneBreaking: Red Bull Racing has sacked Christian HornerFirst LookAston has added more power to its overpowered 2dr: meet the 671bhp Vantage SUSAAh, the back-to-basics Slate Auto electric truck now costs a whole lot more than $20k