British automaker Jaguar proved that its new XF is the most fuel efficient vehicle that they have ever built, as it travelled 815 miles on a single tank, completing an epic journey to Munich from its birthplace at Castle Bromwich in Birmingham.
The XF - which was driven by independent tester David Madgwick and accompanied by Alexander Madgwick, a navigator - took in a mix of motorways, winding roads and dense urban traffic when it passed through four different countries. With...