var digg_url = 'https://digg.com/autos/500hp_23_mpg_Audi_R8_V12_TDI_concept_leaked_before_Detroit'; Audi's having a spot of trouble keeping a lid on things ahead of ...

With Audi's introduction of the Audi R8 V12 TDI, we got to look at the most unique aspect of this supercar - its diesel engine.Compression-ignition motors may be commonplace everywhere else in the ...

Parent Corporation General Motors Founded 1925 Headquarters Detroit, Michigan ... It was powered by a V12 that blatantly ...