Model offerings increased to five for 1983. High output 2.8 liter V6 added to engine lineup. OHV 2.5 liter 4-cylinder base powerplant for carry over models, with 2.8 liter V6 (112 hp) and 4.3 liter diesel V6 optional in standard sedans as well as LE versions. Limited production 6000 STE added to top Pontiac’s A-car … Continue reading 1983 Pontiac 6000 Promo