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Cadillac Series 70/75 6th Generation (1957-1958)

Cadillac Series 70/75 6th Gen Origin

The years 1957 to 1958 saw the production of the 6th generation Cadillac Series 70. Like the previous models in the range, the sixth-generation models were designed by Harley Earl. The predecessor of the 6th generation Cadillac Series 70 was the 5th generation of the series which was introduced in 1954 and was being modified up until 1956 and it was succeeded by the 7th generation between 1959 and 1960.

However, unlike the previous model in which only the Series 75 body style was used, Cadillac decided to reinvent its Series 70 in the 6th generation under the name: Series 70 Eldorado Brougham to accompany the Series 75. Therefore, the body styles that were available for these model years were the 4-door hardtop of the Series 70 and the Series 75 4-door sedan and 4-door limousine both of which had jumper seats.

The 6th generation models of both the Series 70 and 75 used an FR layout which Buick had since been using in its previous models but they both shared the Series 75 D-body platform.

Stick with me till the end, and I will let you in on many other details of this classic ride.

Cadillac Series 70/75 6th Gen Overview

In 1957, Cadillac adopted the use of a cylindrical X-frame for the Series 70 which had no side trails to reinforce the rigidity of the car structure in the model range and allowed for a lower-body without using up much space. The company also remodeled the car to use a taillight theme rather than side trims. For the Series 75, the distinguishing feature from the previous models was the fact that in front of the rear wheel openings, there were bright metal moldings which were marked by 7 horizontal wind splits.

In 1958, a new grille characterized by round cleats was introduced to the model range which was quite larger than the previous ones. The new models came with new bumper guards which were placed under the parking lamps. They also featured new headlamps and the front fenders that were decorated with small chrome fins. The Eldorado Bourgham which marked the return of the Series 70 was produced for only two years (1957 – 1958). From 1959 to 1960, the Eldorado Bourgham was then designated under the name Series 6900.

The Eldorado Bourgham was an over-the-top luxury car which was designed by Ed Glowacke. Although it was announced in 1956, the car which had a unique trim and was the first car to come with quad headlights wasn’t introduced until 1957. The only Cadillac model cars which had Fleetwood bodies were the Series 75, the Sixty Special, and the Series 70 Eldorado Brougham.

The successor of the 6th generation Cadillac Series 70 was the 7th generation Cadillac Series. They were designated with names such as Series 7500, Series 6700, and so on.

Cadillac Series 70/75 6th Gen Engine

Both the Series 75 and Series 70 Eldorado Brougham used a 365 cu in (6.0 L) OHV V8 engine. The power of the engine could generate around 300 to 325 horsepower (224 to 242 kW) in the year 1957.

Cadillac Series 70/75 6th Gen Production

The number of partitioned limousines that were produced in 1957 was 890 while the units of limousines without partitions were 1010. In 1958, the total number of limousines without partitions that were produced was 802 while the units of partitioned limousines were 730.

Cadillac Series 70/75 6th Gen Price

I did promise you all the major details of the Cadillac Series 70 (1957 to 1958) model so at this point we will be looking at the price of these cars. The Eldorado Brougham which was introduced in 1957 was the most expensive of the model range. It was sold at $13,074 at the time which in today’s market is $131,357. The cost of the 1957 limousines is around $73,826.85 in today’s market. The cost of the 1958 limousines is around $82,741.16 in today’s market.

That’s all for today guys. I’m sure you loved this article, so hit that share button, and stay tuned for more classic car articles.

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