Cadillac's Brougham series again consisted of the Brougham sedan and special edition Brougham d'Elegance sedan (option code V4S).
Power was supplied by the revised 5.0-liter V8 with throttle body injection (TBI). The "new" 5.0-liter V-8 was rated at 170 horsepower, and featured roller valve lifters for less friction and cast iron exhaust manifolds contoured for minimal flow resistance. Available previously only with the Coachbuilder Package, the 185-horsepower 5.7-liter V-8 with TBI was now a stand-alone Brougham engine option. Both engines were paired with the 4L60 Hydramatic four-speed automatic transmission with overdrive.
Final drive ratio was 3.08:1 (3.73:1 with Coachbuilder and Armor options).
Formerly optional, but now standard features of the Brougham were rear sail panel reading lamps, passenger seat power recliner and six-way power seat adjuster, and leather-trimmed steering wheel.
New standard features included electronic variable orifice steering system in which steering effort was reduced during low-speed driving and increased during high-speed maneuvers to improve stability, and a new ride package. This package consisted of deflected disc shock absorbers, new body mounts and high-rate front and rear springs.
Outside, the Brougham received clearcoat paint as standard, with two new colors added (12 total): Victorian Red and Dark Antelope. Eleven vinyl top color choices were available.
Also new was the optional central door unlocking system included with the automatic door lock system.
Brougham's stopping power was provided by the Bosch II anti-lock braking system.
Standard tires were self-sealing P225/75R15 Uniroyals that had a distinctive gold letter treatment.
An available trailer towing package gave the Brougham a towing capacity of 5000 pounds.
The d'Elegance sedan featured a specific trim design with multi-button tufted seats. In addition, the interior package included three overhead assist handles and illuminated driver/passenger vanity mirrors.
The d'Elegance again also featured Twilight Sentinel, power trunk pulldown, and specific exterior/interior ornamentation.
| I. D. NUMBERS |
|---|
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, D/W=Broughom
Digit six represents the body style: 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: "E"=L03 5.0 V-8, "7"=LLO 5.7L 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.
Series: DW5
Body/Style No.: W69
Body Type: 4-dr. sedan
Factory Price: $30225
Shipping Weight: 4282 lbs
Production Total: 27,231 (Includes Broughams equipped with d'Elegance option)
| ENGINE |
|---|
| Feature | Standard | Optional (standard on Coachbuilders edition or Brougham w/towing package) | |
|---|---|---|---|
| Type | 90-degree overhead valve V-8 | 90-degree overhead valve V-8 | |
| Block | Cast iron block | Cast iron block | |
| Cylinders | cast iron cylinder | cast iron cylinder | |
| Heads | cast iron heads | cast iron heads | |
| Displacement | 305 cu. in. (5.0 liters) | 350 cu. in. (5.7 liters) | |
| Bore & Stroke | 3.74 x 3.48 in. | 4.00 x 3.48 in. | |
| Compression ratio | 9.3:1 | 9.8:1 | |
| Bhp | 170 @ 4200 rpm | 185 @ 3800 rpm | |
| Torque | 255 lb.-ft.@2400 rpm. | 300 lb.-ft.@2400 rpm | |
| Lifters | Roller hydraulic valve lifters | Roller hydraulic valve lifters | |
| Injection | Throttle body fuel injection | Throttle body fuel injection |
| CHASSIS |
|---|
| Wheelbase | 121.5 in. | 3.086 m |
|---|---|---|
| Overali Length | 221 in. | 5.613 m |
| Height | 57.4 in. | 1458 mm |
| Width | 76.5 in. | 1943 mm |
| Front Tread | 61.7 in. | 1567 mm |
| RearTread | 60.7 in. | 1542 mm |
| Standard Tires | Michelin P225/75R15. | |
| TECHNICAL |
|---|
| Transmission | THM 4L60 four-speed automatic with overdrive (includes torque converter clutch). |
|---|---|
| Steering | power-assisted recirculating ball |
| Front Suspension | Independent with short/long arms, coil springs, direct acting shock absorbers and link-type stabilizer bar. |
| Rear Suspension | Four link, coil springs with automatic level control and direct acting shock absorbers and stabilizer bar. |
| Brakes | Power assisted front disc/rear drum w/Teves anti-lock braking system Brougham used Bosch Il ABS |
| Body Construction | Separate body on frame. |
| Fuel Tank | 25.0 US gal. |
| OPTIONS |
|---|
| 5.7-liter V-8 | $250. | V92 Trailer Towing pkg. | $550. |
|---|---|---|---|
| Opt. Pkg. B | $325. | Opt. Pkg. C | $685 |
| Opt Pkg. C (d'Elegance) | $360 | Astroroof | $1,550 |
| Coachbuilder Pkg. | ($139 credit) | d'Elegance Cloth Int. | $l875. |
| d'Elegance Leather Int. | $2445 | Gold Ornamentation Pkg. | $395 |
| Leather Seating | $570 | Livery Pkg | $299 |
| Auto Day/Night Mirror | $110 | Firemist Paint | $240 |
| Lower Accent Firemist Paint | $50 | CD Music System | $396 |
| Full Vinyl Roof | $925 | Locking Wire Wheel Discs | $445. |
| Wire Wheels | $1,000. |
| HISTORICAL NOTE |
|---|
| Cadillac's model year production totaled 220,284 compared with 268,698 the year previous. |
| Based on sales at 213, 288 automobiles in 1991 (vs. 258,168 the year before). |
| Cadillac's share of the U.S. market was 2.61 percent compared with 2.78 percent in 1990. |
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