Cadillac Deville Moels & History 1981
Standard engine for DeVille and Fleetwood Brougham was the “modulated displacement” 368 cu. in. (6.0-liter) V8-6-4, with digital fuel injection. Optional: a 252 cu. in. (4.1-liter) V-6, provided by Buick. That V-6 had Computer Command Control and a knock sensor to adjust spark advance, as well as diagnostics. The Olds diesel V-8 was also offered.
Externally, DeVilles and Fleetwoods carried a new forward-peaked grille with heavy wide upper header bar (Cadillac script again at the side) over an undivided tight crosshatch pattern. Quad headlamps sat above quad amber parking/signal lamps, with wraparound clear/amber cornering lights. Standard wheel covers displayed a Cadillac crest on dark red background. New standard Electronic Climate Control offered digital accuracy. Standard equipment also included a six-way power passenger seat, power windows, and low-fuel warning. New pillow-style seating came in rich Heather cloth (four colors); or leather in ribbed seating areas (ten colors). Sedan DeVilles could have automatic lap-shoulder belt for driver and front passenger. Other options: a Heavy-Duty Ride package, wire wheel covers, and Elk Grain vinyl roof.
Model Number | Style Number | Body Type | Seating | Factory Price | Shipping Weight | Production Total |
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6C | D47 | 2-door Coupe | 6 | $13,285 / 13,450 | 3801 / 4016 lb | 62,724 (total includes the 2-door Fleetwood Brougham) |
6C | D69 | 4-door Sedan | 6 | $13,682 / 13,847 | 3852 / 4067 lb | 86,991 (total included the 4-door Fleetwood Brougham) |
FACTORY PRICE AND WEIGHT NOTE |
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Figures before the slash are for V-6 engine, after slash for variable-displacement gas V8-6-4. A diesel V-8 was also available. By late spring 1981, prices rose on all reached $23,000 for the diesel, Coupe DeVille $14,345.
ENGINE |
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Feature | V-6 | Diesel V-8 |
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Type | 90-degree, overhead valve V-6. Cast iron block and head | 90-degree, overhead valve V-8. Cast iron block and head |
Displacement | 252 cu. in. (4.1 liters) | 350 cu. in. (5.7 liters) |
Bore & stroke | 3.965 x 3.40 in. | 4.057 x 3.385 in. |
Compression ratio | 8.0:1 | 22.5:1 |
Brake horsepower | 125 @ 3800 rpm | 105 @ 3200 rpm |
Torque | 210 lbs.-ft. @ 2000 rpm | 200 lbs.-ft. @ 1600 rpm |
Main Bearings | Four | |
Valve Lifters | Hydraulic | |
Fuel Supply | 4-bbl. Carburetor | |
Made by | Buick | Oldsmobile |
VIN Code | 4 | N |
CHASSIS DATA |
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- Wheelbase: 121.4 in.
- Overall length: 221.0 in.
- Height: DeVille Coupe 54.6 in.; DeVille sedan 55.6 in.
- Width: 76.5 in. max.
- Front Tread: 61.7 in.
- Rear Tread: 60.7 in.
- Standard Tires: P215/75R15 SBR wide WSW
TECHNICAL |
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- Turbo Hydra-matic transmission standard on all models; column shift.
- Gear ratios V8-368: (1st) 2.48:1; (2nd) 1.48:1; (3rd) 1.00:1; (Rev) 2.07:1.
- Other three-speed models: (1st) 2.74:1; (2nd) 1.57:1; (3rd) 1.00:1; (Rev) 2.07:1.
- Four-speed automatic w/V-6: (1st) 2.74:1; (2nd) 1.57:1; (3rd) 1.00:1: (4th) 0.667:1; (Rev) 2.07:1.
- Standard final drive ratio: 2.41:1 except w/V-6, 3.23:1
- Steering: recirculating ball (power assisted).
- Front suspension: coil springs and link-type stabilizer bar.
- Rear suspension: four-link drive coil springs, electronic level control available
- Brakes: front disc, rear drum
- Fuel tank: 24.6 gal. exc. diesel, 27 gal. and V-6, 25 gal.
DRIVETRAIN OPTIONS |
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- 4.1-liter gas V-6 engine ($165 credit)
- 5.7-liter diesel V-8 engine ($325-$351)
- California emission equipment ($46-$182).
- Engine block heater ($22).
- 100-amp alternator ($41).
- Heavy-duty cooling ($59).
- Limited slip differential: ($86).
- Electronic level control: ($173).
- Heavy-duty ride package: ($270).
- Trailering pkg. ($59-$100).
OPTION PACKAGES |
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- DeVille d’Elegance ($1005).
- Coupe DeVille Cabriolet ($363).
- Appearance value pkg.: ($802)
CONVENIENCE/APPEARANCE OPTIONS |
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- Astroroof ($1058); N/A on limo.
- Controlled-cycle wiper system: ($45).
- Rear defogger, grid-type ($134-$175).
- Automatic door locks ($129).
- Garage door opener ($125).
- Illuminated entry system ($67).
- Dual Comfort front seats w/six-way power passenger seat adjuster: ($395).
- Memory driver’s seat ($169).
- Power river’s seat recliner ($130).
- Notchback passenger seat recliner: ($130).
- Leather-trimmed steering wheel ($79).
- Tilt/telescope steering wheel ($147).
- Power trunk lid release and pull-down: ($96).
- Theft deterrent system ($157).
- Twilight Sentinel: ($65).
- Guidematic headlamp control ($78).
- Opera lamps: ($72).
- Trumpet horn ($28).
- Thermometer on left mirror ($35).
- Twin lighted vanity mirrors ($116).
- Electronic-tuning seek/scan AM/FM stereo radio with 8-track tape player ($195); with 8-track and CB ($480); w/cassette ($281); w/cassette and CB ($547).
- Full padded vinyl roof: ($240).
- Two-tone paint: Firemist ($293); partial Firemist. ($394).
- Firemist paint ($208).
- Accent striping: ($61).
- Door edge guards ($16-$24).
- License frames, each ($11).
- Leather seating area ($439-$595).
- Automatic lap/shoulder belts: ($150).
- Carpeted rubber floor mats: front ($35-$38); rear ($20).
- Trunk mat ($16).
- Locking wire wheels: ($755).
- Turbine vaned wheel covers: ($63).
- Locking wire wheel covers ($266-$328).
- Puncture-sealing tires ($106).