1930 Rolls-Royce 20/25hp Boat Tail Speedster / GDP34 Chassis Information

1930 Rolls-Royce 20/25hp photograph

1930 Rolls-Royce 20/25hp photograph

1930 Rolls-Royce 20/25hp photograph

1930 Rolls-Royce 20/25hp photograph

1930 Rolls-Royce 20/25hp photograph

1930 Rolls-Royce 20/25hp1930 Rolls-Royce 20/25hp1930 Rolls-Royce 20/25hp1930 Rolls-Royce 20/25hp1930 Rolls-Royce 20/25hp
Boat Tail Speedster
Coachwork: Thrupp and Maberly
Chassis #: GDP34
Sold for $23,400 at 2006 Bonhams & Butterfields at The Quail Lodge, Resort & Golf Club.
This vehicle is a 1930 Rolls-Royce 20/25hp Boat Tail Speedster with chassis number GDP34 and is in right-hand drive configuration. It has coachwork by Thrupp & Maberly who finished the car in a two-door, fixed-head coupe body-style for its first owner, Captain J. C. Blair. It was later given a Boat-Tail Speedster body. The car has been treated to a restoration, which was completed near the end of the 1970s. It is finished in brown and yellow with a tan leather interior.

This car was offered for sale at the 2006 Bonhams & Butterfields auction held at the Quail Lodge in Carmel, California where it was estimated to sell between $25,000 - $35,000. Though it does have an older restoration and it is considered a 'smaller' Rolls-Royce, it did find a new owner, selling for nearly the estimated value at $23,400.


By Daniel Vaughan | May 2007

2006 Bonhams & Butterfields at The Quail Lodge, Resort & Golf Club

Pre-Auction Estimates :
$25,000-$35,000 
Sale Price :
$23,400

2018 1
2015 1
2014 1
2012 3
2011 3
2009 2
2006 1
2005 1
2004 1

YearAvg. SaleHigh Sale# of Sales
2018$36,000$36,0001
2015$48,335$48,3351
2014$72,420$72,4201
2012$16,888$24,6753
2011$43,850$46,7743
2009$37,953$41,9752
2006$23,400$23,4001
2005$44,000$44,0001
2004$50,023$50,0231

Recent Sales

(Data based on Model Year 1930 sales)
1930 Rolls-Royce 20/25 Weymann Saloon
Chassis#: GDP63
Sold for $36,000
  2018 H&H - Pavilion Gardens Motor Car
 
1930 Rolls-Royce 20/25 Limousine
Chassis#: GLR18
Sold for $48,335
  2015 H & H RREC Burghley House
 
1930 Rolls-Royce 20/25 Limousine
Chassis#: GLR18
Sold for $72,420
  2014 H&H Auctions : RREC Rockingham Castle
 
1930 ROLLS ROYCE 20 25
Sold for $24,675
  2012 McCormicks Palm Springs Auction 53
 
1930 Rolls-Royce 20/25 Tourer
Chassis#: GLR 43
Sold for $14,438
  2012 H & H Auctions - Rockingham Castle
 
1930 Rolls-Royce 20/25 Saloon
Chassis#: GDP30
Sold for $11,551
  2012 H & H Auctions - Rockingham Castle
 
1930 Rolls-Royce 20/25 Sports Saloon
Sold for $41,477
  2011 Coys - A217 True Greats
 
1930 Rolls-Royce 20/25hp Limousine
Chassis#: GSR73
Sold for $43,298
  2011 Bonhams - RAF Museum, Hendon, Collectors' Motor Cars and Automobilia
 
1930 Rolls-Royce 20/25hp Drophead Coupé
Chassis#: GDP57
Sold for $46,774
  2011 Bonhams - Bonhams Oxford, Collectors' Motor Cars
 
1930 Rolls-Royce 20/25 Enclosed Limousine Landaulette
Chassis#: GSR59
Sold for $33,930
  2009 Bonhams - Bicentennial Pavilion at Hotel Murano
 
1930 Rolls-Royce 20/25 Saloon Park Ward Sports Saloon
Chassis#: GTR30
Sold for $41,975
  2009 Coys Auction - Spring Classics
 
1930 Rolls-Royce 20/25hp
Sold for $23,400
  2006 Bonhams & Butterfields at The Quail Lodge, Resort & Golf Club
1930 Rolls-Royce 20/25hp image  1930 Rolls-Royce 20/25hp image  
1930 Rolls-Royce 20/25HP Sport Coupe
Chassis#: GLR27
Sold for $44,000
  2005 Vintage Motor Cars at Meadow Brook Hall
 
1930 Rolls-Royce 20/25
Sold for $50,023
  2004 Coys Auction - Autosport 2004
 

Vehicles That Failed To Sell

1930 Rolls-Royce 20/25hp's that have appeared at auction but did not sell.
VehicleChassisEventHigh BidEst. LowEst. High
1930 Rolls Royce 20/25 Hooper Sports SaloonGWP282016 Coys : The Spirit of Motoring, Ascot $30,000$40,000
1930 Rolls-Royce 20/25hp Sedanca de VilleGLR 602011 Bonhams Automobilia, Motos de collection et Automobiles d'exception au Grand Palais $45,000$65,000
1930 Rolls-Royce 20/25hp LimousineGSR182009 Bonhams Fine Vintage and Collectors' Motorcars at Reims $45,000$55,000
1930 Rolls Royce 20/25 Estate Wagon99P442005 Bonhams RollsRoyce, Bentley Motor Cars and Related Automobilia $45,000$55,000

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Vehicle Profiles

Chassis information for the Rolls-Royce 20/25hp1930 Boat Tail Speedster
Coachbuilder: Thrupp and Maberly
Chassis Num: GDP34
Chassis information for the Rolls-Royce 20/251931 Drop Head Coupe
Coachbuilder: Worblaufen
Chassis information for the Rolls-Royce 20/251931 Sedanca deVille
Coachbuilder: Park Ward & Co.
Chassis Num: GFT 72
Chassis information for the Rolls-Royce 20/251932 Sportsman Saloon
Coachbuilder: Gurney Nutting
Chassis information for the Rolls-Royce 20/251932 Convertible Victoria
Coachbuilder: Thrupp and Maberly
Chassis Num: GFT.67
Engine Num: S2Q
Chassis information for the Rolls-Royce 20/251932 Gentlemans Hunting Wagon
Coachbuilder: Crosbie & Dunn. Ltd.
Chassis Num: GHW-79
Chassis information for the Rolls-Royce 20/251932 Saloon
Coachbuilder: Thrupp and Maberly
Chassis Num: GHW74
Chassis information for the Rolls-Royce 20/251932 Saloon
Coachbuilder: Gurney Nutting
Chassis Num: GMU-8
Chassis information for the Rolls-Royce 20/251933 Sedanca de Villes
Coachbuilder: Fernandez & Darrin
Chassis information for the Rolls-Royce 20/251933 Tourer
Coachbuilder: Kitchener & Woodiwiss
Chassis Num: GDX30
Chassis information for the Rolls-Royce 20/251933 Sportsman Pillarless Coupe
Coachbuilder: Gurney Nutting
Chassis Num: GLZ 22
Chassis information for the Rolls-Royce 20/251933 Three-Position Drophead Coupe
Coachbuilder: Barker
Chassis Num: GTZ 48
Engine Num: D2L
Chassis information for the Rolls-Royce 20/251933 Enclosed Limousine Sedanca
Coachbuilder: Thrupp and Maberly
Chassis Num: GTZ7
Engine Num: H8H
Chassis information for the Rolls-Royce 20 / 25 HP1934 Saloon
Coachbuilder: Mulliner
Chassis information for the Rolls-Royce 20 / 25 HP1934 Sedanca Coupe
Coachbuilder: Gurney Nutting
Chassis Num: GAF29
Engine Num: BXA 868
Chassis information for the Rolls-Royce 20 / 25 HP1934 3 Position Sedanca Drop Head Coupe
Coachbuilder: Mulliner
Chassis Num: GXB45
Chassis information for the Rolls-Royce 20 / 25 HP1934 Tourer
Coachbuilder: Barker
Chassis Num: GXB8
Chassis information for the Rolls-Royce 20 / 25 HP1934 Sport Saloon
Coachbuilder: Freestone & Webb
Chassis Num: GYD 42
Chassis information for the Rolls-Royce 20 / 25 HP1935 Sedanca Coupe
Coachbuilder: Hooper
Chassis information for the Rolls-Royce 20 / 25 HP1935 Limousine
Coachbuilder: Mulliner
Chassis information for the Rolls-Royce 20 / 25 HP1935 Foursome Drophead Coupe
Coachbuilder: Thrupp and Maberly
Chassis Num: GAF 81


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Vehicle information, history, and specifications from concept to production.

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