
Cadillac's quirky "V8-6-4" cylinder-deactivation engine was dropped from every model after 1981 except one — it lived on in the Fleetwood Limousine alone.
Median 150 hp across 6 similar cars
Lead trim: Fleetwood Limousine 368 cu in L62 V8
Cadillac Fleetwood Limousine1977–1984
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Nobody in Burbles has spotted a Cadillac Fleetwood Limousine 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.
FactCadillac's quirky "V8-6-4" cylinder-deactivation engine was dropped from every model after 1981 except one — it lived on in the Fleetwood Limousine alone.
In 1977 General Motors significantly downsized its full-size cars in response to CAFE, and the Series 75 designation was dropped by Cadillac. The 1977 Cadillac Fleetwood Limousine rode on a 144.5-inch wheelbase (7.0 inches shorter and about 900 lb lighter than the 1976 Fleetwood 75 it replaced; 244.3 in long, 75.2 in wide, 56.9 in high, 4,900–5,100 lb) and was powered by a 425-cubic-inch (7.0 L) V8, basically a de-bored version of the 472/500 V8s. The 425 was decreased further in bore for 1980–1981 to 368 cubic inches (6.0 L); for 1981 the 368 was provided with the Eaton-designed digitally controlled modulated displacement system that locked off intake and exhaust valves to run as a V6 or V4 under light load, the "V8-6-4", whose complex electronics proved troublesome and which, except for limousines, was dropped after 1981. Both the 425 and 368 are small-bore versions of the durable 472 (introduced in late 1967 for the 1968 model year); the family was the last Cadillac cast-iron engine and the last big-block manufactured by the division. Transmissions were the 3-speed TH-400 and TH-350C.
Collectors Spotted in the Cadillac Fleetwood Limousine Lineage
No member has published a public street spot of the Cadillac Fleetwood Limousine 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 |
|---|---|---|---|---|---|---|---|---|
| Fleetwood Limousine 368 cu in L62 V8 | 1980–1981 | 6.0 L V8 | 145 hp | 270 lb-ft | — | RWD | — | — |
| Fleetwood Limousine 425 cu in L33/L35 V8 | 1977–1979 | 7.0 L V8 | — | 320 lb-ft | — | 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.
Photographs

Rivals
Same body, same money, other badges — tap any card to flip.

This era's Fleetwood limousine rode on a stretched 134.4-inch wheelbase — over eleven feet between the axles alone, on top of everything else making up the car.

A front-wheel-drive limousine was almost unheard of in the mid-1980s — only this Executive and the Cadillac Series 75 offered the format at all.

Chrysler Limousine · Limousine (1986–1986) · 1986–1986.

Checker even pitched a prisoner-transport version of this van, the Convoy, complete with a rear-facing guard seat — nobody ever bought one.

Buick actually undercut Cadillac on price for its 1958 flagship Limited — yet Cadillac still outsold it nearly two to one. Badge snobbery beat the sticker.

The Series 90 Limited's closed cars came dressed in mohair velvet, silk passenger-compartment shades, and wool carpet throughout — despite having no V8 to back up the luxury.

Cadillac executives quietly lobbied to kill this Buick Limited, worried it crept too close to their own turf — even though Buick was building barely 1,500 of them a year.

This stretched DeVille-based limousine came with dual solid-wood writing desks and an in-car VCR with a foldaway LCD TV — luxury so extreme only 781 were ever built.