Triumph offers Dolomite, Vitesse and Gloria models. Various types of engines are available.
The Dolomite 2-Litre Saloon which has a 15.72 HP 1991-cc (65 x 100 mm) six-cylinder OHV engine is optionally available with a four-cylinder engine of 1767-cc (75 x 100 mm, 13.95 HP) or 1496-cc (69 x 100 mm, 11.81 HP) capacity. All power units are now of Triumph design and manufacture. Wheelbase is 9 ft 8 in, tyre size 5.50-17.
Vitesse 14/60 4-Window Saloon has the 1767-cc Four engine, 9 ft wheelbase and 5.00-17 tyres. In 2-Litre six-cylinder form it looks generally similar but the wheelbase (and bonnet) are 8 in longer and the tyre size is 5.25-17.

Vitesse Saloon

Dolomite Royal Saloon

Dolomite Special 1½ Litre

Dolomite 14/60 Foursome Coupe

No.50, G.W. Wilkin in Triumph Dolomite 1.5-Litre started from John o’ Groats and finished 66th overall and 21st in up to 1500 cc class.