Jaguar XF Diesel Achieves 62.9-MPG In Cross-America TrekSay the word Jaguar, and probably the first thing to come to mind won’t be fuel efficiency. Jaguar recently took a road trip from New York to Los Angeles in a British spec XF 2.2 Diesel, and covered the 2884-miles journey at an average of 62.9-mpg. This makes it the most efficient Jaguar ever made. [...] more
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