50% off and 0 miles... Also, once you change the oil you'll get the full power of the engine... In another words, you don't have to break in the engine of those cars...
The FGT is normally $5 mill, but after Chassis & Engine restore it's $6 mill. Therefore the zero mile FGT car in the OCD is more than 50% off. If you don't have it yet, buy it.