When we last checked in with the 2010 Jaguar XF-R it looked as though there might be a powerful 5.0-liter V8 lurking under the hood. We've seen a lot of the XF-R, as seen below, but the actual motivation has been a point of contention. It is our good fortune then that a Fast Lane Daily source happened to spot a fleet of XF-R engine mules, posing as S-Types, doing some harsh weather testing in Death Valley, California. Witnesses suggested the mules emitted a sound similar to the V8 found in the Aston Martin V8 Vantage. That's not an insane suggestion given that Aston and Jag were under the same roof around the time this vehicle probably began development.
[Fast Lane Daily]
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