
To mark the company's 44th anniversary, Oldsmobile's limited-production 1942 cars — including the Dynamic Cruiser — wore a tiny "B-44" badge on the grille.
Median 90 hp across 100 similar cars
Lead trim: Series 70 Dynamic 78 257 cu in I8
Oldsmobile Series 70 Dynamic Cruiser 76/781941–1948
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Nobody in Burbles has spotted a Oldsmobile Series 70 Dynamic Cruiser 76/78 yet. See one on the street, point the app at it, and the first card is yours — with your @handle permanently credited on this page.
FactTo mark the company's 44th anniversary, Oldsmobile's limited-production 1942 cars — including the Dynamic Cruiser — wore a tiny "B-44" badge on the grille.
In 1941 both a straight-six and a straight-eight were offered on each series, so the Dynamic 70 became the Dynamic 76 and 78 (the Custom Cruiser 90 becoming the Custom Cruiser 96 and 98); in 1942 the Series 70 was called the Dynamic Cruiser 76 and 78 and the six-cylinder Series 90 was dropped. Production was delayed from 1942 until 1945 by World War II (limited-production 1942 cars carried a small "B-44" grille badge), and in 1946 the Dynamic Cruiser was Oldsmobile's mid-priced model, with a two-door Club Sedan and four-door Sedan (list price US$1,568 for the Dynamic 70 four-door sedan, 25,528 sold; DeLuxe US$1,678, 5,118 sold); in 1947, Oldsmobile's fiftieth anniversary, it was the most popular series (38,152 Club Sedans and 30,841 four-door sedans, more than the Special 60 or the Custom Cruiser 98), and in 1948 the "Cruiser" tag was dropped as the Series 60 was renamed Dynamic. Body styles: Business coupe, Club coupe and four-door sedan; engines 238 cu in (3.9 L) straight-six and 257 cu in (4.2 L) straight-eight on a 125 in wheelbase; width 76 in, height 65.2 in; fewer than 120 Dynamic 76s were built in Australia in 1947.
Collectors Spotted in the Oldsmobile Series 70 Lineage
No member has published a public street spot of the Oldsmobile Series 70 yet — the First · Worldwide stamp is wide open.
Trims & Figures
2 published trims in the catalogue. A blank is a figure not recorded, not zero.
| Trim | Years | Engine | Power | Torque | 0–60 | Drive | Gearbox | MSRP |
|---|---|---|---|---|---|---|---|---|
| Series 70 Dynamic 76 238 cu in I6 | 1941–1948 | 3.9 L Inline-6 | — | — | — | RWD | — | — |
| Series 70 Dynamic 78 257 cu in I8 | 1941–1948 | 4.2 L Inline-8 | 110 hp | — | — | RWD | — | — |
Owning one
We don’t estimate running costs for a car like this. What it costs depends on its condition, its specialist and how it is driven, and an average would mislead.
Owners’ builds
Nobody has claimed one yet.
In the Community
Open CommunityNo notes tagged with the Oldsmobile Series 70 Dynamic Cruiser 76/78 yet.
Photographs

Oldsmobile's 1950 Seventy-Six Holiday hardtop — a steel roof welded onto the convertible body — was the only time the brand ever paired its upscale hardtop styling with a plain six-cylinder engine, and barely 538 were sold.

To mark the company's 44th anniversary, Oldsmobile's limited-production 1942 cars — including the Dynamic Cruiser — wore a tiny "B-44" badge on the grille.

This Series 70 arrived right as Oldsmobile debuted the Hydramatic — the industry’s first fully clutchless automatic transmission.
Rivals
Same body, same money, other badges — tap any card to flip.

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