 At its launch in 1969 the Indy was offered with a 4.2-litre V8 engine.From 1970 a 4.7-litre Indy 4700 was offered alongside the 4200; the same year some interior updates were introduced, including seats with retractable headrests and a new dashboard.In 1972, Maserati added the Indy 4900 to the range, equipped with the new 4.9-litre V8.