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Rolls-Royce History

1935 Rolls-Royce 20 / 25 HP

Chassis number : GAF 81

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Sold for $104,500 at 2014 Bonhams Quail Lodge Auction.
The Rolls-Royce 20/25 was built from 1929 through 1936 with 3,827 examples delivered. It would become the company's most popular design prior to the Second World War. It was initially built on a 128.7 inch chassis, later being offered on a long chassis of 131.9 inches, which was introduced in 1931. Later examples of the Rolls-Royce 20/25 models featured a four-speed fully-synchronized gearbox and a centralized chassis lubrication system.

Powering the 20/25 was a 3.7-liter inline, overhead-valve six with a cast-iron block. It has a separate aluminum crankcase with a seven-main bearing crankshaft with vibration damper and a detachable cast-iron cylinder head. It was lubricated by a pressurized system that also fed the rocker shaft and timing gears. They had an engine-driven water pump with fan which cooled the engine, and a thermostatically-controlled system open and closed the radiator shutters as required. Ignition was by independent coil, a centrifugal-advance distributor, and a backup magneto. The engine was fed fuel via a single-jet carburetor. The estimated horsepower produced was 65, though the company never publically advertised such numbers, only stating it was 'adequate.' Every engine was run by the company on a dynamometer in order to ensure reliability. The transmission with its single dry-plate clutch was bolted to the rear of the engine block. The floor shift was located to the right of the driver's seat. The cars were given four-wheel, servo-assisted drum brakes and a full-floating type rear axle.

Once the chassis was built and tested by the factory, it was sent to a coachbuilder selected by the customer to receive coachwork. A body was either installed from inventory, or constructed and finished to the buyer's specific wishes.

This car, chassis number GAF 81, is a late 20/25 built on the longer frame. It was fitted with a Series F2 engine number U2B. Its original dynamometer records, dated November 28, 1934, show it developed 55 horsepower at 3000 RPM. The bare chassis was shipped from Crewe to its London agent, Rootes Ltd., on June 19, 1934, where it was placed into stock, awaiting a buyer. Rootes had the chassis delivered to London coachbuilder Thrupp and Maberly on December 17th of 1934, where it was given a 'Foursome Drophead Coupe' body. When completed, the car was finished to its new owner, a Mrs. Campbell of 22 Down Street, W1 London, on March 20, 1935. Ownership appears to have passed through the hands of several British owners in the 1950s before being acquired in London by the current owner, who had it cosmetically restored while still in the UK. Eventually, the car came to the United States and in more recent years it was housed in the San Diego area.

The car is finished in a shade of dark blue, with contrasting horizontal bright-work and chromed landau irons. There is a black canvas three-position top and a tan leather interior. The wheels are covered with painted and polished discs.


By Daniel Vaughan | Nov 2014

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2014 Bonhams Quail Lodge Auction

Sale Price :
USD $104,500

1935 Rolls-Royce 20 / 25 HP Auction Sales

Recent Sales of the Rolls-Royce 20 / 25 HP

(Data based on Model Year 1935 sales)
1935 ROLLS-ROYCE 20/25 DROPHEAD SEDANCA COUPÉ BY GURNEY NUTTING
Chassis#: GXK6
Sold for USD$224,316
  2021 RM Sothebys : A Passion for Elegance
 
1935 ROLLS-ROYCE 20/25 OPEN TOURER
Chassis#: GBJ38
Sold for USD$40,152
  2020 Bonhams : Goodwood Speedweek
 
1935 Rolls-Royce 20/25 by Hooper
Chassis#: GWE 81
Sold for USD$15,670
  2019 Historics at Brooklands - Mercedes-Benz World
 
1935 Rolls-Royce 20/25hp Drophead Coupé
Chassis#: GLJ8
Sold for USD$62,851
  2018 Bonhams : Beaulieu Sale
 
1935 Rolls-Royce 20/25
Sold for USD$71,500
  2018 Mecum : Indianapolis
 
1935 Rolls-Royce 20/25 Sports Saloon by James Young
Chassis#: GOH60
Sold for USD$49,883
  2017 Historics at Brooklands-Motor Museum
 
1935 ROLLS-ROYCE 20/25 H2 SERIES
Sold for USD$27,250
  2017 Leake Auction - OKC Fairgrounds
 
1935 ROLLS-ROYCE 20/25HP PILLARLESS COUPE
Chassis#: GYH35
Sold for USD$71,500
  2016 Bonhams : Greenwich Concours d'Elegance Auction
 
1935 Rolls-Royce 20/25hp 4-Door All-Weather Tourer
Chassis#: GHF 10
Sold for USD$49,652
  2015 Bonhams : The Beaulieu Sale
 
1935 Rolls-Royce 20/25
Sold for USD$80,000
  2015 Mecum : Denver
 
1935 Rolls-Royce 20/25 Sports Saloon by Lancefield of London
Sold for USD$26,957
  2015 Coys at Ascot
 
1935 ROLLS-ROYCE 20/25HP FOURSOME DROPHEAD COUPE
Chassis#: GAF 81
Sold for USD$104,500
  2014 Bonhams Quail Lodge Auction
1935 Rolls-Royce 20 / 25 HP image  
1935 Rolls-Royce 20/25 Saloon
Sold for USD$22,550
  2014 Auctions America - Auburn Spring
 
1935 Rolls-Royce 20/25 Limousine de Ville
Chassis#: GOH7
Sold for USD$18,260
  2013 H & H Auctions - Imperial War Museum
 
1935 Rolls-Royce 20/25 Tourer
Sold for USD$30,284
  2013 H & H Auctions - Imperial War Museum
 
1935 Rolls Royce 20/25
Chassis#: GAF52
Sold for USD$43,450
  2013 Russo and Steele - Monterey
 
1935 Rolls-Royce 20/25 Four Light Saloon
Sold for USD$44,511
  2012 Coys Auctions - Spring Classics
 
1935 Rolls-Royce 20/25hp Limousine
Chassis#: GLG77
Sold for USD$48,293
  2011 Bonhams - Rolls-Royce, Bentley and Select Pre-War Motor Cars and Automobilia
 
1935 Rolls-Royce 20/25 hp Balloon Car Sports Roadster
Chassis#: GPG 73
Sold for USD$148,938
  2010 RM Auctions - Sporting Classics of Monaco
 
1935 Rolls-Royce 20/25hp Continental Sports Saloon
Chassis#: GEH18
Sold for USD$47,780
  2006 Bonhams - Important Collectors' Motor Cars and Fine Automobilia
 

Rolls-Royce 20 / 25 HPs That Failed To Sell At Auction

1935 Rolls-Royce 20 / 25 HP's that have appeared at auction but did not sell.
VehicleChassisEventHigh BidEst. LowEst. High
1935 Rolls-Royce 20/25 Sedanca de VilleGHG122018 H & H Auction Imperial War Museum, Duxford $18,000$22,000
1935 Rolls-Royce 20/25 LimousineGBK732017 H & H Auctions Imperial War MuseumDuxford $24,000$26,000
1935 Rolls-Royce 20-25 2016 Dragone Auction Greenwich Weekend Auction $20,000$30,000
1935 ROLLS-ROYCE 20/25 CONVERTIBLEGSY392015 Mecum Anaheim$36,000  
1935 Rolls-Royce 20/25 Touring 2015 Auctions America California$24,000  
1935 Rolls-Royce 20/25 Limousine 2009 Leake Auctions Houston Annual Leake Auto Auction Reliant Center$18,000  
1935 Rolls-Royce 20/25 LimousineGSF272006 Bonhams A Sale of RollsRoyce, Bentley and Select PreWar Motor Cars and Automobilia $25,000$30,000
1935 ROLLS-ROYCE 2025 SEDANCA 2003 Kruse Auction Auburn, IN$34,000  

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1935 Rolls-Royce 20 / 25 HP Profiles

1935 Rolls-Royce 20 / 25 HP vehicle information
Limousine
Coachwork: Mulliner
1935 Rolls-Royce 20 / 25 HP vehicle information
Foursome Drophead Coupe
Coachwork: Thrupp and Maberly
Chassis #: GAF 81
1935 Rolls-Royce 20 / 25 HP vehicle information
Sedanca Coupe
Coachwork: Hooper