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1940 Buick Series 40 Special Navigation
The 1940 Buick Special Series 40 was powered by a 248 cubic-inch overhead valve inline eight-cylinder engine with a single carburetor delivering 107 horsepower at 3,400 RPM. It was paired with a three-speed manual transmission and stopping power was via four-wheel drum brakes.
Buick comprehensively updated its lineup for 1936, bestowing 'turret top' styling and improved independent front suspension. The 1940 Buicks were marketed as new and improved, with the Series 40 Special gaining an inch to its wheelbase, allowing both dual side mounts and fully openable doors at the same time. At the front was a horizontal grille and headlamps incorporated into the front fenders. New mechanical changes included a new dual-diaphragm fuel pump and improved windshield wiper functionality. The eight-cylinder Dynaflash engine received rubber frame-mount ships and aluminum rockers.By Daniel Vaughan | Apr 2024
Buick comprehensively updated its lineup for 1936, bestowing 'turret top' styling and improved independent front suspension. The 1940 Buicks were marketed as new and improved, with the Series 40 Special gaining an inch to its wheelbase, allowing both dual side mounts and fully openable doors at the same time. At the front was a horizontal grille and headlamps incorporated into the front fenders. New mechanical changes included a new dual-diaphragm fuel pump and improved windshield wiper functionality. The eight-cylinder Dynaflash engine received rubber frame-mount ships and aluminum rockers.By Daniel Vaughan | Apr 2024
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1940 Buick Series 40 Special Auction Sales
Recent Sales of the Buick Series 40 Special
(Data based on Model Year 1940 sales)
| 1940 Buick Special Series 40 Convertible Sedan Chassis#: 13645975 Sold for USD$33,000 2025 Mecum : Larrys Legacy 2025 | |
| 1940 Buick Series 40 Sedan Chassis#: 13780143 Sold for USD$11,000 2025 Mecum Harrisburg | |
| 1940 Buick Special Model 41 Sedan Chassis#: 13599687 Sold for USD$10,450 2024 Mecum : Indy | |
| 1940 Buick Special 48C Convertible Sold for USD$36,000 2023 Worldwide Auctioneers : The Auburn Auction | |
| 1940 Buick Special Phaeton Sold for USD$28,600 2023 Mecum : Kissimmee | |
| 1940 Buick Special Sedan Sold for USD$4,400 2022 Mecum Indy | |
| 1940 Buick Special Convertible Sold for USD$44,000 2022 Mecum Indy | |
| 1940 Buick Special Coupe Sold for USD$24,200 2021 Mecum : Chicago | |
| 1940 Buick Special Coupe Sold for USD$15,400 2020 Mecum : Indy | |
| 1940 Buick Special Sold for USD$31,900 2020 Mecum Auctions : Kissimmee | |
| 1940 Buick Special Sold for USD$13,200 2019 Mecum : Kansas City | |
| 1940 Buick Special Street Rod Sold for USD$23,100 2019 Mecum : Chicago | |
| 1940 BUICK SPECIAL SERIES 40 BUSINESS COUPE Chassis#: 13703676 Sold for USD$7,345 2019 Worldwide Auctioneers : The Auburn Auction | |
| 1940 Buick Special Four-Door Sedan Sold for USD$17,600 2019 RM Auctions : Auburn Fall | |
| 1940 Buick Special Sport Phaeton Chassis#: 13639276 Sold for USD$35,200 2018 RM Sothebys : Hershey | |
| 1940 BUICK SPECIAL 8 CONVERTIBLE Chassis#: 13742292 Sold for USD$53,900 2018 Barrett-Jackson : Palm Beach | |
| 1940 Buick Special Convertible Sedan Sold for USD$29,975 2018 Mecum : Houston | |
| 1940 Buick Special Convertible Sedan Chassis#: 43799475 Sold for USD$30,800 2018 Mecum : Los Angeles | |
| 1940 Buick Special Sedan Sold for USD$17,050 2017 Auctions America : Fort Lauderdale | |
| 1940 BUICK SPECIAL CONVERTIBLE Chassis#: 13655100 Sold for USD$47,300 2017 Barrett-Jackson : Scottsdale |
Buick Series 40 Specials That Failed To Sell At Auction
1940 Buick Series 40 Special's that have appeared at auction but did not sell.
| Vehicle | Chassis | Event | High Bid | Est. Low | Est. High |
|---|---|---|---|---|---|
| 1940 Buick Special Series 40 Convertible Coupe | 13796501 | 2024 Bonhams : The Scottsdale Auction | $40,000 | $50,000 | |
| 1940 Buick Special Sport Coupe | 44015688 | 2021 Mecum : Monterey | |||
| 1940 Buick Special Street Rod | 2018 Mecum : Portland | $33,000 | |||
| 1940 Buick Special Convertible | 2018 Collector Car Toronto Spring | $32,000 | |||
| 1940 Buick 8 | 2018 GAA : Spring Sale | $13,500 | |||
| 1940 Buick Model 46 | 2017 Leake Auction : Dallas Fall | $13,500 | |||
| 1940 Buick Special Convertible Sedan | 43799475 | 2017 Mecum : Monterey | $30,000 | ||
| 1940 BUICK BUSINESS COUPE | 2016 McCormick's # 61 | $21,000 | |||
| 1940 Buick Special Convertible Sedan | 2016 Mecum : Chicago | $26,000 | |||
| 1940 Buick Special | 2016 Carlisle Auctions : Lakeland Winter Auction | ||||
| 1940 BUICK SPECIAL SERIES 46-C CONVERTIBLE COUPE | 13671295 | 2015 Bonhams Amelia Island Auction | $55,000 | $65,000 | |
| 1940 BUICK SPECIAL CONVERTIBLE SEDAN | 13730566 | 2014 Mecum Monterey | $52,000 | ||
| 1940 Buick 8 Sedan | 2013 Leake Car Auctions Tulsa Ok | $16,000 | |||
| 1940 Buick 8 Sedan | 2013 Leake Car Auctions Tulsa Ok | $18,500 | |||
| 1940 Buick | 2013 Mecum Auctions Kissimmee, FL Auction | $27,500 | |||
| 1940 Buick Special Business Coupe | 2012 Auctions America Auburn Fall | $26,000 | |||
| 1940 Buick Special Businessman Coupe | 13688239 | 2012 Russo and Steele Scottsdale | |||
| 1940 BUICK SPECIAL BUSINESSMAN COUPE | 2011 Auctions America Auburn Fall Auction | $21,000 | |||
| 1940 BUICK | 2011 Silver Auction Ft McDowell, Arizona | $39,000 | |||
| 1940 BUICK BUSINESS COUPE | 2010 Mecum Auction Kansas City, MO | ||||
| 1940 Buick Special Convertible | 2009 Mecum Original Spring Classic Auction 22nd Year | $55,000 | |||
| 1940 Buick Special Convertible | 2008 RM Auctions Classic Car Auction of Toronto Fall | $29,000 | |||
| 1940 BUICK SPECIAL | 2007 Silver Auction Puyallup | $14,000 | |||
| 1940 Buick Special Convertible Coupe | 2006 The Florida Collector Car Auction | $46,500 | |||
| 1940 BUICK SPECIAL SEDAN | 2003 Kruse Auction Auburn, IN | $20,500 | |||
| 1940 BUICK SPECIAL FOUR DOOR | 2003 Kruse Auction Hot Springs, AR | $10,100 |
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1940 Buick Series 40 Special
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