The flagship model was created when Rover introduced a 190 bhp fuel-injected version of its V8.

The new derivative was originally only available in the Vitesse model, but from 1984 onwards it was also offered in the luxury Vanden Plas range, badged as the Vanden Plas EFi, to meet the demands of the luxury executive car market, where automatic transmission tended to be preferred, Rover first offered an auto as an option in the Vitesse, but later withdrew the option and lured the customers to the plush Vanden Plas EFi instead which had all the standard comforts of the Vitesse, such as electric mirrors, windows and locks, a trip computer, headlight washers, an adjustable steering column and a four-speaker stereo (something special at that time).

Additionally, it added as standard leather seats, an electrically operated sunroof, and cruise control; the only option being air-conditioning.

The "Twin Plenum" Vitesses are very rare, these had two throttle bodies mounted on the plenum chambe...