The second generation Opel Ascona B was presented in the 1975 Frankfurt Motor Show. It was available as a two or four-door sedan. There were related two and three-door coupé models in the Opel Manta range. There was no estate body.The Ascona B retained the same engine range as its predecessor, although the 1.9 L was increased to 2.0 L in 1978, and versions with higher compression ratio and needing 98 octane gas, dubbed S, were available alongside the 90 octane models. The 2.0 E model had a Bosch L-Jetronic electronic fuel injection, and a 2.0 L diesel motor was added to the Ascona B range in 1978. Engine range was larger than that of the Vauxhall Cavalier though not all engines were available in the UK.A version of the Ascona B, featuring the front end of the Manta B, was sold in South Africa as the Chevrolet Chevair. This was in addition to a Chevrolet Ascona, identical in most respects to the Opel.Over 1.2 million Ascona B units were produced worldwide until 1981.i2000 and 400.The Opel Ascona B i2000 and Ascona B 400 are Rally Homologation Specials. Please see the Motor Sport section for further information.