Bentley 4 Litre

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Bentley 4 Litre
ManufacturerBentley Motors Limited
50 produced[1][2][3]
AssemblyCricklewood, London
DesignerWalter Owen Bentley,
Harry Ricardo
Body and chassis
ClassLuxury car
Body styleas arranged with coachbuilder by customer[4]
LayoutFR layout
Engine3.9 L Ricardo IOE I6
Wheelbase134 in (3,400 mm)
140 in (3,600 mm)[1][5]
Predecessor6½ Litre & Speed Six
Successor3½ Litre

The Bentley 4 Litre was a motor car built on rolling chassis made by Bentley Motors Limited.[4] The 4 litre chassis was conceived and built in a failed attempt to restore Bentley to a good financial state. Announced 15 May 1931,[6] it used a modified four litre Ricardo IOE engine in a shortened 8 litre chassis at two-thirds of the price of the 8 Litre in an attempt to compete with the Rolls-Royce 20/25.[1][7] Instead, Bentley went into receivership shortly afterward, from which it was purchased by Rolls-Royce Limited.

The conventional straight-6 engine used an 85 mm (3.3 in) bore and a 115 mm (4.5 in) stroke for a total displacement of 3.9 L (3,915 cc (238.9 cu in))[5][8] and a power output of 120 bhp (89 kW) at 4,000 rpm.[1][5][8] The engine power was not suitable for the heavy chassis.[1][2][8]


  1. ^ a b c d e f "Lot 244: Bentley 4-Litre/8-Litre Le Mans-style Tourer". Motorbase. Hastings, UK: Classic Vehicles. Retrieved 8 April 2012. A double-drop chassis was adopted, closely based on that of the contemporary Bentley 8-Litre, and offered in two wheelbase lengths: 11' 2" and 11' 8", both of which were shorter than the shortest of the two 8-Litre chassis available.
  2. ^ a b Feast, Richard (2004). "Chapter 3: Vintage Years". The DNA of Bentley. St. Paul MN USA: MotorBooks International. p. 53. ISBN 978-0-7603-1946-8. Retrieved 26 March 2012. ...only 50 4-litres were completed before Bentley Motors was acquired by Rolls-Royce.
  3. ^ Culshaw & Horrobin 2013, p. 82.
  4. ^ a b "History By Chassis – List of all W. O. Bentleys with original chassis nos. 4 Litre". VintageBentleys.Org. Houston, TX USA: Archived from the original on 13 April 2009. Retrieved 25 June 2012.
  5. ^ a b c Culshaw, David; Horrobin, Peter (2013) [1974]. "Bentley". The Complete Catalogue of British Cars 1895 - 1975 (e-book ed.). Poundbury, Dorchester, UK: Veloce Publishing. p. 81. ISBN 978-1-845845-83-4.
  6. ^ OUR MOTORING CORRESPONDENT. (15 May 1931). "A New Bentley". The Times (45823). London. p. 13.
  7. ^ Feast 2004, p. 52.
  8. ^ a b c "HISTORY OF MARQUES: BENTLEY - British". Sportscars.TV. 1966. Archived from the original on 6 August 2010. Retrieved 8 April 2012. There was nothing to compalin about in the engine design, but unfortunately the very heavy 8-litre chassis was used and this resulted in a rather dull and slow car.