In 1978 a MB C-111/III established 9 world speed marks while averaging a little over 195MPH all the while averaging 14.7MPG.

The best part?....The engine powering that very car was a 5cyl turbo diesel engine derived from a 300SD.

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'85 300SD (formerly california emissions)
'08 Chevy Tahoe
'93 Ducati 900 SS
'79 Kawasaki KZ 650
'86 Kawasaki KX 250
'88 Kawasaki KDX200
'71 Hodaka Ace 100
'72 Triumph T100R