PROOF: VW's Newer, Cheaper Diesel Beats Prius MPGs

popularmechanics.com — It's this year's ultimate MPG comparison test: the just-released 2009 Volskwagen Jetta TDi diesel against the uber-popular 2008 Toyota Prius hybrid. And PopularMechanics.com has it first, with nearly 500 miles of city and highway driving—and some very surprising results. Sep 24, 2008 View in Crawl 4