1991 Sedan DeVille
Last year the deVille series was a sedan and a coupe, but this year there was also a touring sedan.
All three had the new 4.9-liter V-8 engine which was linked to the 4T60-E electronically controlled four-speed automatic transmission with overdrive.
An improved version of the Teves anti-lock braking system was also now standard equipment.
Other new standard features of the deVille series included structural enhancements for improved crash-worthiness, 15-inch cast aluminum wheels, and a larger, higher capacity front braking system.
1991 Sedan DeVille
Computer Command Ride was optional and offered three damping modes to enhance ride and handling characteristics.
Formerly optional, but made standard equipment in 1991 were side and decklid accent striping, rear window defogger with heated outside mirrors.
Twilight Sentinel and automatic door locks including a new central door unlocking system.
Appearance-wise, the deVille featured a new power dome hood, wider grille with grid design and integral Cadillac script, revised front bumper guards and rear bumper rub strip, and a 4.9 Port Fuel Injection V8 decklid emblem.
Inside, EZ-Kool solar-control glass for all windows was made standard, Esteem seat cloth replaced the previously used Primavera, and an engine oil life indicator became standard.
A Phaeton roof was optional for the Sedan deVille while both a Cold Weather Package and a Security Package were also new options. The former included a heated windshield system and engine block heater while the latter featured remote keyless entry. illuminated entry and a theft-deterrent system.
|The 1991 Cadillac had a 17-symbol vehicle identification number (VIN) stamped on a metal tag attached to the upper left surface of the cowl visible through the windshield.|
|The code was as follows:|
|The first digit "1," represented the manufacturing country (United States)|
|The second, "G" represented General Motors.|
|The third, "6," represented Cadillac|
|The fourth and fifth represented the car line/series, C/D=deVille|
|Digit six represents the body style: 1=two-door coupe/sedan, 5=four-door sedan|
|Digit seven identities the restraint code: 1=active (manual) belts, 3=active (manual) belts w/driver's side airbag, and 4=passive (automatic) belts.|
|The eighth digit identifies the engine: "B"=L26 4.9L V-8|
|A check digit follows.|
|The 10th digit represents the model year, "M" for 1991.|
|The eleventh digit represents the assembly plant.|
|The remaining six digits identify the production sequence number.|
1991 Coupe DeVille
|Type||90-degree overhead valve V-8|
|Cylinders||cast iron cylinder liners|
|Head||cast iron cylinder heads|
|Displacement||300 cu. in. (4.9 liters)|
|Bore & Stroke||3.62 x 3.62 in.|
|Bhp||200 @ 4100 rpm|
|Torque||275 lb.-ft. @ 3000 rpm|
|Lifters||Roller hydraulic valve lifters|
|Injection||Sequential port fuel injection|
|Wheelbase||110.8 in (2814 mm)||113.8 in. (2891 mm)|
|Overall Length||202.6 in. (5146 mm)||205.6 in. (5222 mm)|
|Height||54.9 in. (1394 mm)||55.2 in. (1402 mm)|
|Width||73.4 in. (1864 mm)||73.4 in. (1864 mm)|
|Front Tread||60.3 in. (1632 mm)||60.3 in. (1532 mm)|
|Rear Tread||59.8 in. (1519 mm)||59.8 in. (1519 mm)|
|Standard Tires||Michelin P205/70R15|
|Transmission||4T60-E electronically controlled four-speed automatic with overdrive (includes viscous converter clutch)|
|Front Suspension||independent Macpherson strut with coil springs. strut-type shock absorbers, integral-in strut and stabilizer bar|
|Rear Suspension||fully independent with coil springs. automatic level control and strut-type superlift shock absorbers and no rear stabilizer|
|Brakes||Power assisted front disc/rear drum w/Teves anti-lock braking system|
|Body Construction||integral body-frame|
|Fuel Tank||18.0 gal.|
1991 Coach Builders Limited Deville convertible--owner: John Burnside