1948 Buick Series 70 Roadmaster Convertible Coupe / 44897500 Chassis Information

1948 Buick Series 70 Roadmaster photograph

1948 Buick Series 70 Roadmaster photograph

1948 Buick Series 70 Roadmaster photograph

1948 Buick Series 70 Roadmaster1948 Buick Series 70 Roadmaster1948 Buick Series 70 Roadmaster
Convertible Coupe
Chassis #: 44897500
Engine # 51136117
Sold for $70,400 at 2015 Bonhams : The Scottsdale Auction.
Prior to World War II, the hierarchy at General Motors began with Chevrolet, followed by Pontiac, then Oldsmobile, Buick, LaSalle and Cadillac. Although Buick was positioned between Oldsmobile and LaSalle, it was a high quality car that was neither inexpensive nor lacking in power or amenities. As the 1930s came to a close, Buick adopted an all eight-cylinder range that would continue for years to come. The Buick Roadmaster range was available in three distinct series through 1941. The fourth-generation Roadmaster was ready for the 1942 model year, but the onset of war meant that only a few thousand were produced before production came to a close. Production did not resume again until 1946.

For 1948, the Roadmaster Model 76C Convertible Coupe was very well equipped, with power windows, seat and top. New for this year was GM's Dynaflow transmission, the first torque-converter transmission fitted to a passenger car. It could be added as an option on the 1948 Roadmasters; many buyers had the option installed which convinced GM to make it standard equipment for the 1949 model year.

This Buick Model 76C Roadmaster Convertible was formerly a part of the collection of Charles Cawley. While in the collection, the car was restored in-house to show condition. It is currently in period color combination of dark blue over red upholstery, and rides on period-correct wide-whitewall BF Goodrich Silvertown bias-ply tires. It has a black top with red piping.

The car is powered by Buick's 'Fireball Dynaflash Eight' with correct style lettering on the valve cover promoting the 'valve in-head' engine design. In the trunk is a spare tire and jack. Inside is an original tube-type radio, 120 mph speedometer, and a clock.


By Daniel Vaughan | Feb 2015

2015 Bonhams : The Scottsdale Auction

Pre-Auction Estimates :
$60,000-$90,000 
Sale Price :
$70,400

2018 1
2017 3
2016 4
2015 4
2014 2
2013 4
2012 4
2011 4
2010 4
2009 1

YearAvg. SaleHigh Sale# of Sales
2018$65,000$65,0001
2017$24,292$40,0003
2016$41,784$90,7504
2015$34,475$70,4004
2014$43,780$45,0002
2013$53,655$110,0004
2012$38,988$48,4004
2011$24,613$43,5004
2010$25,650$33,0004
2009$57,000$57,0001

Recent Sales

(Data based on Model Year 1948 sales)
1948 Buick Roadmaster Convertible
Sold for $65,000
  2018 GAA : Jerry & June Smith Collection
 
1948 Buick Roadmaster
Sold for $14,500
  2017 Mecum : Chicago
 
1948 Buick Roadmaster Convertible
Chassis#: 24936085
Sold for $40,000
  2017 Mecum : Monterey
 
1948 BUICK ROADMASTER
Sold for $18,375
  2017 McCormick's - # 62
 
1948 Buick Roadmaster Sedanet
Chassis#: 14862969
Sold for $40,700
  2016 RM Sotheby's : Hershey
1948 Buick Series 70 Roadmaster image  1948 Buick Series 70 Roadmaster image  
1948 Buick Roadmaster Convertible
Chassis#: 14959889
Sold for $2,687
  2016 Silverstone Auction - Classic Sale
 
1948 Buick Roadmaster Estate Wagon
Chassis#: 14929364
Sold for $90,750
  2016 RM Sothebys : Arizona
 
1948 BUICK ROADMASTER 4-DOOR SEDAN
Chassis#: ID41060COLO
Sold for $33,000
  2016 Barrett-Jackson : Scottsdale, AZ
 
1948 Buick Roadmaster
Sold for $32,000
  2015 Mecum : Denver
 
1948 Buick Roadmaster Convertible
Sold for $32,000
  2015 Mecum - Rogers'Classic Car Museum 2015
 
1948 Buick Roadmaster
Sold for $3,500
  2015 Mecum - Rogers'Classic Car Museum 2015
 
1948 Buick Roadmaster Convertible
Chassis#: 44897500
Sold for $70,400
  2015 Bonhams : The Scottsdale Auction
1948 Buick Series 70 Roadmaster image  
1948 BUICK ROADMASTER CONVERTIBLE
Chassis#: 50270587
Sold for $45,000
  2014 Mecum - Monterey
1948 Buick Series 70 Roadmaster image  1948 Buick Series 70 Roadmaster image  
1948 BUICK ROADMASTER 2 DOOR SEDANETTE
Chassis#: 14862969
Sold for $42,560
  2014 Barrett-Jackson's 43RD Annual Scottsdale Auction
1948 Buick Series 70 Roadmaster image  1948 Buick Series 70 Roadmaster image  
1948 BUICK ROADMASTER CONVERTIBLE
Chassis#: 44948170
Sold for $68,320
  2013 Barrett-Jackson, Las Vegas
 
1948 Buick Roadmaster Four-Door Sedan
Sold for $16,500
  2013 Auctions America - Auburn Fall
 
1948 Buick Super Sedan
Sold for $19,800
  2013 Auctions America - Auburn Fall
 
1948 Buick Roadmaster Convertible
Chassis#: 51145997
Sold for $110,000
  2013 Gooding and Company - Pebble Beach
 
1948 Buick Roadmaster Sedan
Chassis#: 44974550
Sold for $46,750
  2012 RM Auctions - Hershey, PA
 
1948 Buick Roadmaster
Chassis#: 50764947
Sold for $41,000
  2012 Silver - Sun Valley
 

Vehicles That Failed To Sell

1948 Buick Series 70 Roadmaster's that have appeared at auction but did not sell.
VehicleChassisEventHigh BidEst. LowEst. High
1948 Buick Roadmaster Convertible148602772018 Mecum : Monterey$45,000$60,000$75,000
1948 Buick Roadmaster Custom Resto-Mod 2018 GAA : Spring Sale$16,000  
1948 Buick Roadmaster148602772018 Mecum : Los Angeles$35,000  
1948 Buick Roadmaster 2018 Mecum : Kissimmee$24,000  
1948 Buick Roadmaster 2017 Mecum : Dallas$22,000  
1948 BUICK ROADMASTER 2016 McCormick's # 61$25,000  
1948 Buick Roadmaster Convertible249360852016 Mecum : Monterey$45,000  
1948 Buick Roadmaster Convertible 2016 Mecum Indianapolis$40,000  
1948 Buick Roadmaster Resto Mod 2016 Mecum : Kissimmee$65,000  
1948 BUICK SERIES 70 ROADMASTER SEDANETTE 2015 Mecum Dallas$27,500  
1948 Buick Roadmaster Convertible 2015 Mecum : Kissimmee$37,000  
1948 Buick Roadmaster Convertible 2015 Mecum : Kissimmee   
1948 Buick Roadmaster Custom 2013 Auctions America Spring Carlisle$12,500  
1948 Buick Roadmaster Convertible148387692012 Mecum Anaheim, CA$45,000  
1948 Buick Roadmaster Custom 2012 Auctions America Fall Carlisle$13,000  
1948 Buick Roadmaster 76c Convertible 2012 Mecum Auctions Kissimmee Florida$55,000  
1948 Buick Roadmaster 4-Door Hardtop 2012 Mecum Auctions Kissimmee Florida$20,000  
1948 Buick Roadmaster 76c Convertible 2012 Mecum Auctions Kissimmee Florida$40,000  
1948 BUICK ROADMASTER 4 DOOR448973492010 McCormick's Auction #49 Palm Springs, CA$11,000  
1948 BUICK ROADMASTER CONVERTIBLE 2009 McCormick's Auction # 47$56,000  
1948 BUICK ROADMASTER CVTBLE249350032009 Palm Springs Exotic Car Auctions November 22, 2009$56,000  
1948 Buick Roadmaster Convertible 2009 Vintage Motor Cars of Meadow Brook$45,000$75,000$100,000
1948 Buick Roadmaster Convertible 2009 Silver Auction Big Sky Collector Car Auction$47,500  
1948 BUICK ROADMASTER CUSTOM 2003 Palm Springs Exotic Car Auction November 2003$52,000  
1948 BUICK ROADMASTER SEDANETTE 2003 Kruse Auction Auburn, IN$20,000  
1948 BUICK ROADMASTER SEDANETTE 2002 Kruse Auction Auburn, IN$21,900  
1948 BUICK ROADMASTER CONVERTIBLE 2002 Kruse Auction Tulsa, OK$33,500  

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Vehicle Profiles

Chassis information for the Buick Series 80 Roadmaster1936 Town Car
Coachbuilder: Brewster
Chassis Num: 2895992
Engine Num: 3052219
Chassis information for the Buick Series 80 Roadmaster1936 Town Car
Coachbuilder: Brewster
Chassis Num: 3052219
Chassis information for the Buick Series 80 Roadmaster1937 Limousine
Coachbuilder: Brewster
Chassis Num: 3027807
Chassis information for the Buick Series 80 Roadmaster1938 Opera Brougham
Coachbuilder: Fernandez & Darrin
Chassis Num: 83486795
Chassis information for the Buick Roadmaster Series 701947 Estate Wagon
Coachbuilder: Ionia
Chassis Num: 14794589
Chassis information for the Buick Roadmaster Series 701947 Sedanette
Chassis Num: 48066417
Engine Num: 24651480
Chassis information for the Buick Series 70 Roadmaster1948 Sedanet
Chassis Num: 14862969
Engine Num: 50751327
Chassis information for the Buick Series 70 Roadmaster1948 Convertible Coupe
Chassis Num: 44897500
Engine Num: 51136117
Chassis information for the Buick Series 70 Roadmaster1949 Station Wagon
Coachbuilder: Ionia
Chassis information for the Buick Series 70 Roadmaster1949 Station Wagon
Coachbuilder: Ionia
Chassis information for the Buick Series 70 Roadmaster1949 Station Wagon
Coachbuilder: Ionia
Chassis information for the Buick Series 70 Roadmaster1949 Station Wagon
Coachbuilder: Ionia
Chassis Num: 15275380


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