 In Europe, the Derby was available with 0.9-litre (895 cc), 1.1-litre (1,093 cc) and 1.3-litre (1,272 cc) four-cylinder engines, with 40, 50 and 60 bhp respectively.The Derby Formel E ("Formula E"), offered in 1981 only, was an economy-optimised Derby featuring, among other things, a longer ratio gearbox, automatic engine turn-off when idling and a high compression version on the 1.1 L engine that demanded super instead of regular petrol.The Formel E concept was also available on other contemporary VW and Audi models.