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Bentley History

1929 Bentley 4.5 Litre

Chassis number : DS3568

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The new 4.5-liter Bentley arrived on the scene in late-1927 following the prototype's debut at that year's LeMans race, where it set a new lap record. It was the successor to the 3-liter using features of the original 4-cylinder engine as well as some from the later 6-cylinder engine on which development had begun in 1925. The 4.5-liter was brought about by the need for greater power and speed that was required for Bentley to ensure competitive supremacy.

The engine quickly proved its mettle with an outright LeMans win in the 1928 and subsequent Brooklands competition success. During the production run from 1927 until the takeover by Rolls-Royce in 1931, few modifications to the engine were deemed necessary attesting to its overall excellent design. In standard Vanden Plas tourer form, the 4-liter Bentley was good for 92 mph; in LeMans trim, 120 mph was possible - quite remarkable for the era. Bentley built a total of 665 units during the model's lifespan.

This Bentley 4.5-Liter Two-Seat Sports was ordered as a semi-LeMans chassis. It was a special order with 'LeMans Style' constructed with a large 25-gallon fuel tank, extended bonnet, spring-loaded bonnet strap, stone guard radiator, inboard foot-brake adjustment, adjustable Andre shock absorbers, a low-mounted spare and P100 headlamps with stone guards. It was fitted with a 'British Flexible' Harrison sports two-seat body with a fold-flat wind-screen. The new owner took delivery of the car in August of 1929. The purchaser was J.H. Hanley.

In 1930, ownership passed to LH.W. Preston, who used the car in New York for a period of months in 1931. It was purchased by Harecourt Smith in 1933. It was apparently sold in 1939. It is believed that during this period, the rear of the body was opened to accommodate another seat.

In 1947, the car was in the care of D.J. Garsten and purchased a year later by R. Elton. That same year, the car was involved in an accident. The driver's side of the car apparently collided with a truck and the axles, fenders and coachwork were seriously impacted. In 1949, Mr. Elton commissioned a professional rebuild of the car with NOS items. At that time, the car was re-registered HBY 625.

After the work was completed, Mr. Elton retained the car for another six years before selling to C.A. West in 1955. Seven years later, it was sold to M.A. Roberts of New Jersey. While in his care, the car was restored to its original trans-American record attempt configuration. The original owner had attempted a trans-American record attempt after acquiring the vehicle, but the treacherous and impassible roads of the era made it difficult. The car made it across Iowa, but in Wyoming or Colorado, just before the Great Divide, trouble struck. A supposed blizzard ended the trek when the sump was damaged.

In 1984, the car was sold to the current owner. In 2001, the car received a Second in Class at the Pebble Beach Concours d'Elegance, First Place and Best of Show at the RROC National Meet in Calgary, Senior and Premier 100 points at CCCA events, and a Senior award, Senior Grand National award and the S.F. Edge Trophy in AACA competition.

In 2011, at the Pebble Beach, CA auction presented by Gooding & Company, the car was estimated to sell for $1,000,000 - $1,400,000. It would leave the auction unsold after its reserve was not met.

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2015 RM Sotheby's London Auction

Lot was not sold

2011 Gooding and Company - Pebble Beach Auctions

Pre-Auction Estimates :
USD $1,000,000-USD $1,400,000 
Lot was not sold

1929 Bentley 4.5 Litre Auction Sales

Recent Sales of the Bentley 4.5 Litre

(Data based on Model Year 1929 sales)
1929 Bentley 4½ Liter Tourer
Chassis#: FB 3320
Sold for USD$604,500
  2022 Bonhams : The Greenwich Auction
 
1929 Bentley 4½ LITER TO SUPERCHARGED SPECIFICATIONS REPLICA LE MANS STYLE COACHWORK
Chassis#: AB 3669
Sold for USD$863,000
  2021 Bonhams : Quail Lodge
1929 Bentley 4.5 Litre image  1929 Bentley 4.5 Litre image  
1929 Bentley 4½-Litre Open Four-Seater Sports by Vanden Plas
Chassis#: RL3427
Sold for USD$1,105,000
  2021 RM Sothebys : Monterey
1929 Bentley 4.5 Litre image  1929 Bentley 4.5 Litre image  
1929 Bentley 4½ Liter Sports Tourer
Chassis#: HB3410
Sold for USD$472,500
  2019 Bonhams : Amelia Island
1929 Bentley 4.5 Litre image  1929 Bentley 4.5 Litre image  
1929 Bentley 4.5 Litre 'Le Mans' Style Tourer
Chassis#: NX3457
Sold for USD$1,113,274
  2018 H & H Auction - Imperial War Museum, Duxford
 
1929 Bentley 4½ Liter Sports Tourer Coachwork by Vanden Plas
Chassis#: RL3427
Sold for USD$1,435,000
  2018 Bonhams : Quail Lodge
1929 Bentley 4.5 Litre image  1929 Bentley 4.5 Litre image  
1929 BENTLEY 4½-LITRE TOURER
Chassis#: DS3551
Sold for USD$451,385
  2016 Bonhams - Goodwood Members' Meeting
 
1929 Bentley 4½-Litre Tourer
Chassis#: MR 3399
Sold for USD$1,007,788
  2015 Bonhams : Bond Street Motor Car Sale
1929 Bentley 4.5 Litre image  1929 Bentley 4.5 Litre image  
1929 Bentley 4½-Litre Sports Saloon
Chassis#: PB3527
Sold for USD$1,073,078
  2015 Bonhams : The Beaulieu Sale
 
1929 Bentley 4.5 litre Open Tourer by Vanden Plas
Chassis#: FB3322
Sold for USD$510,000
  2015 Historics at Brookland
 
1929 Bentley Supercharged 4 ½ Litre Original two-seater
Sold for USD$1,045,428
  2013 Coys Auction - A236 True Greats
 
1929 Bentley 4½-Litre Open Tourer by Vanden Plas
Chassis#: vC57S119374
Sold for USD$785,996
  2013 RM Auction - London
 
1929 Bentley 4½-Litre Tourer
Chassis#: FB3324
Sold for USD$505,510
  2013 Bonhams - The Goodwood Festival of Speed Sale
 
1929 Bentley 4 ½ litre Vanden Plas style Tourer
Chassis#: RL3441
Sold for USD$465,271
  2012 Bonhams - Collectors' Motor cars and Automobilia at Goodwood
 
1929 Bentley 4½-Litre Four-Seat Tourer
Chassis#: NX 3452
Sold for USD$740,096
  2012 Bonhams - Collectors' Motor cars and Automobilia at Goodwood
1929 Bentley 4.5 Litre image  1929 Bentley 4.5 Litre image  
1929-31 4½-Litre Supercharged 'Blower' Bentley Single-Seater
Chassis#: HB 3402
Sold for USD$7,906,745
  2012 Bonhams - Collectors' Motor cars and Automobilia at Goodwood
1929 Bentley 4.5 Litre image  1929 Bentley 4.5 Litre image  
1929 Bentley 4 1/2 Litre VdP Tourer Model by Sapor Modelltechnik
Sold for USD$31,050
  2012 RM - Milhous Collection, Fla
 
1929 Bentley 4 1/2 Litre Dual Cowl Sports Tourer
Chassis#: KL3584
Sold for USD$2,145,000
  2012 Gooding and Company - The Scottsdale Auction
1929 Bentley 4.5 Litre image  1929 Bentley 4.5 Litre image  
1929 Bentley 4 1/2-Litre Open Tourer by Vanden Plas
Chassis#: FB3317
Sold for USD$671,000
  2011 RM Auctions at Monterey
1929 Bentley 4.5 Litre image  1929 Bentley 4.5 Litre image  
1929 Bentley 4½-Liter Supercharged Birkin Team Car Specification Tourer
Chassis#: DS 3569
Sold for USD$722,000
  2009 Bonhams - Quail Lodge Resort and Golf Club
 

Bentley 4.5 Litres That Failed To Sell At Auction

1929 Bentley 4.5 Litre's that have appeared at auction but did not sell.
VehicleChassisEventHigh BidEst. LowEst. High
1929 Bentley 4½-Litre Supercharged Tourer by Vanden PlasSM39032021 RM Sothebys : London $3,800,000$4,200,000
1929 Bentley 4½-Litre Tourer 2019 Bonhams : Goodwood Revival $480,000$600,000
1929 Bentley 4 ½ Liter Sports TourerFB33172019 Bonhams : Quail Lodge Auction $700,000$850,000
1929 Bentley 4½-Litre TourerRL34282019 Bonhams : Goodwood Members Meeting $600,000$800,000
1929 Bentley 4½-Litre Supercharged Tourer Recreation by Graham MossRC22092018 RM Sothebys : Monterey $550,000$750,000
1929 Bentley 4.5 Liter Le Mans Replica Fabric TourerPL 34962017 Bonhams : Philadelphia Simeone Foundation Automotive Museum $600,000$700,000
1929 Bentley 4½-Litre Tourer by CadoganDS35702015 RM Sotheby's London Auction   
1929 BENTLEY 4½-LITRE SPORTS BLUEBELLRL34392014 The Goodwood Festival of Speed Sale $480,000$560,000
1929 Bentley 4½-Litre Tourer by Vanden PlasNX34672014 RM Auctions Automobiles of Arizona$1,150,000  
1929 Bentley 4½-Litre Open Tourer by Vanden PlasFB33172013 RM Auctions VILLA ERBA$490,000  
1929 Bentley 4½-Litre TourerFB33242013 Bonhams Collectors' Motor Cars and Automobilia $350,000$400,000
1929 Bentley 4½-Litre Drophead Coupé with DickeyHB34052011 Bonhams The December Sale $400,000$450,000
1929 Bentley 4 1/2 Litre Two-Seat SportsDS35682011 Gooding and Company Pebble Beach Auctions $1,000,000$1,400,000
1929 Bentley 4 1/2 Litre Open TourerDS35612008 Automobiles of London$175,000$275,000$325,000
1929 BENTLEY 4 1/2 LITER DROPHEAD COUPE 2003 Bonhams MOTOR CARS $260,000$300,000

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1929 Bentley 4.5 Litre Profiles

1929 Bentley 4.5 Litre vehicle information
Robinson Tourer
Coachwork: Vanden Plas
Chassis #: HB3410
Engine #: HB3412
1929 Bentley 4.5 Litre vehicle information
1929 Bentley 4.5 Litre vehicle information
Coupe
Coachwork: Salmon & Sons
1929 Bentley 4.5 Litre vehicle information
Tourer
Chassis #: SM 3903
Engine #: SM 3907
1929 Bentley 4.5 Litre vehicle information
Tourer
Chassis #: NX3466
Engine #: AD3655
1929 Bentley 4.5 Litre vehicle information
Tourer
Coachwork: Vanden Plas
Chassis #: HB3403
Engine #: SM3902
1929 Bentley 4.5 Litre vehicle information
Tourer
Coachwork: Vanden Plas
Chassis #: HB3404/R
1929 Bentley 4.5 Litre vehicle information
Tourer
Coachwork: Vanden Plas
Chassis #: HR3976
Engine #: HR3976
1929 Bentley 4.5 Litre vehicle information
Offset Single Seater
Designer: Reid Railton
Chassis #: HB3402
Engine #: SM3901
1929 Bentley 4.5 Litre vehicle information
Tourer
Coachwork: Thrupp and Maberly
Chassis #: MR3990
1929 Bentley 4.5 Litre vehicle information
Tourer
Coachwork: Vanden Plas
Chassis #: FB3317
Engine #: FB3320
1929 Bentley 4.5 Litre vehicle information
Two-Seat Sports
Coachwork: Harrison
Chassis #: DS3568
1929 Bentley 4.5 Litre vehicle information
Tourer
Coachwork: Vanden Plas
1929 Bentley 4.5 Litre vehicle information
Sport Touring
Coachwork: Harrison
1929 Bentley 4.5 Litre vehicle information
Tourer
Coachwork: Vanden Plas
Chassis #: RL3427
Engine #: RL3429
1929 Bentley 4.5 Litre vehicle information
Tourer
Chassis #: RC2209
1929 Bentley 4.5 Litre vehicle information
Tourer
Chassis #: TX3246
Engine #: PM3275
1929 Bentley 4.5 Litre vehicle information
Tourer
Coachwork: Vanden Plas
Chassis #: DS3575
Engine #: DS3572
1929 Bentley 4.5 Litre vehicle information
Tourer
Coachwork: Vanden Plas
Chassis #: NX3451
Engine #: NX3455 - XF3507
1929 Bentley 4.5 Litre vehicle information
Tourer
Coachwork: Vanden Plas
Chassis #: NX3452
Engine #: NX3454
1929 Bentley 4.5 Litre vehicle information
Open Sports Tourer
Coachwork: Vanden Plas
Chassis #: NX3463
Engine #: NX3469
1929 Bentley 4.5 Litre vehicle information
Tourer
Chassis #: AB 3669