Single-deck passenger chassis powered at first by the 6-type petrol engine, with subsequent options available during the 18 years Regal was in production comprising 7.4 litre 6-cyl petrol, 8.1 & 8.8 litre 6-cyl oil and the 7.7 litre 6-cyl oil. Chassis codes were 662, 0662, 662/19 & 0662/19
Single-deck passenger chassis with 4-cylinder petrol (model 642), or 4-cylinder oil engine (model 0642). Chassis nos 642001-0642178.
WheelsAge.org '2005–actual