An exotic sports car with a diesel sounds like peanut butter with jelly to Car and Driver's journalists so they start speculating about what engine the R8 TDI will use.
One thing though , they claim that the twin-turbodiesel 6.0-liter V12 originating from the Q7 V12 TDI is "ridiculously impractical" and can't be used.
Are they right? l would say no...
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