The factory numbers for cars equipped with 195/65VR15 tires are as follows:
300E auto - 37.8 km/h (23.5 mph)@1000rpm in fourth gear;
260E, 300TE auto - 35.5 km/h (22.1 mph) @1000rpm in fourth gear;
300E five speed - 47.3 km/h (29.4 mph)@1000rpm in fifth, same as the 300E auto in fourth.
The early euro version of the five speed 300E (190 hp, no catalytic converter) reaches its max speed of 232km/h(144mph) in fourth gear. 300E w/automatic and catalytic converter should be good for 221km/h(137mph)
75 FIAT 124 Spider