Jaguar XKE Convertible original vintage advertisement. The Jaguar
XKE was built to be driven. And the more you drive it, the better
it goes. At 60 mph, the XKE's big 4.2 litre engine is not even
turning over at half speed. This gives you tremendous power reserve.
Few people would buy an XKE to save on gas. But you could. At
sixty, a gallon lasts about 20 miles.