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1946 Buick Series 70 Roadmaster

Buick resumed civilian automobile production in 1946 using mildly updated versions of its pre-war models. The lineup included the Series 40 'Special', the mid-priced Series 50 'Super,' and the top-of-the-line Series 70 'Roadmaster.' The Special rested on a 121-inch wheelbase, the Series 50 measured 125-inches, and the Roadmaster was 129-inches. All three included a sedan and Sedanet body style, with the Super adding a convertible coupe and station wagon, and the Roadmaster a convertible coupe. The Special and Super were equipped with an inline eight-cylinder engine with overhead valves, five main bearings, mechanical valve lifters, a two-barrel carburetor, and 110 horsepower at 3,600 RPM. The Roadmaster was powered by an inline eight-cylinder engine with overhead valves, a cast-iron block, mechanical valve lifters, a two-barrel carburetor, and delivered 144 horsepower at 3,600 RPM. It was backed by a three-speed manual transmission with a steering column-mounted shift lever.

The Special was the only 1946 Buick model to use the Fisher B-body fastback styles of the pre-war era. The Super used the Series 70 body with the engine from the Special. The Special came standard with rubber floor mats, painted instrument panels with round gauges, rocker panel moldings, and twin strips of stainless steel traveling from the front wheelhouse to the rear edge of the standard rear wheelhouse skirts. The Series 50 added two-tone, woodgrained instrument panels.

The Special Sedan sold for $1,580 and the Sedanet at $1,520. The Super sedan was $1,820, the convertible coupe at $2,045, the Sedanet at $1,740, and the station wagon at $2,600. The Roadmaster sedan listed for $2,100, the Sedanet at $2,015, and the convertible coupe at $2,350. The convertible coupe was the most exclusive with 2,576 examples built. The sedan was the most popular with 20,597 examples built. 8,226 examples were of the Sedanet.

Optional equipment included a Spotlite Sonomatic radio, Prismatic inside rearview mirror, 'Breeze-Ease' draft deflector, auxiliary driving lights, seat covers, a Weather-Warden heater/defroster, and a non-glare 'E-Z-I' rearview mirror.


by Daniel Vaughan | Jan 2021

Related Reading : Buick Roadmaster History

The Roadmasters name first appeared on Buick automobiles in 1936, known as the Series 80 Roadmaster and as a celebration of the engineering improvements and advancements in design. The Roadmasters were built on the longest wheelbase Buick had to offer, and from 1946 through 1957 they were the most elegant and prestigious automobiles that Buick sold. From 1936 through 1948 the Roadmaster appeared....
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1946 Buick Series 70 Roadmaster Vehicle Profiles

1946 Buick Series 70 Roadmaster vehicle information

Recent Vehicle Additions

Performance and Specification Comparison

Price Comparison

1946 Series 70 Roadmaster
$2,350-$16,000
1946 Buick Series 70 Roadmaster Price Range: $2,015 - $2,350

Compare: Lower | Higher | Similar

Other 1946 Buick Models

Series 70 Roadmaster

Specification Comparison by Year

Year
Production
Wheelbase
Engine
Prices
8,398
129.00 in.
8 cyl., 248.00 CID., 118.00hp
8 cyl., 320.20 CID., 165.00hp
$1,365 - $1,675
31,398
129.00 in.
8 cyl., 320.20 CID., 144.00hp
$2,015 - $2,350
77,761
129.00 in.
8 cyl., 320.20 CID., 144.00hp
$2,130 - $3,250
79,293
129.00 in.
8 cyl., 320.20 CID., 144.00hp
8 cyl., 319.15 CID., 180.00hp
$2,300 - $3,430

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