In May 1979 the Fronte 7-S was replaced by the new SS30/SS40 Fronte. The Fronte Hatch 55 was also discontinued, from now on the commercial versions all used the Alto name. Alto also came to be the name used in export markets. SS30S was the two-stroke engined version of the Fronte (539 cc, three cylinders, T5B) while the SS40S received a newly developed, 543 cc four-stroke three-cylinder engine, the F5A. This developed and proved very popular, soon displacing the two-stroke entirely. The T5B would no longer be available in the Fronte after May 1981. The Alto light commercials received the SS30V/SS40V designation, and considerably lower gearing since it was mainly intended for short distance inner-city use. Both the Alto and Fronte had a claimed top speed of .