Until Audi came along with its incredible, 500-hp Q7 V-12 TDI, the Volkswagen Touareg V-10 TDI was the king of the segment. Discontinued in 2010, its final iteration—the R50—served up 350 horsepower and 627 lb-ft of torque. (A less-powerful version was sold in the United States.) But that thing disappeared from our shores years ago, […]

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