The traditional rear drive Brougham for 1989 was identified by its restyled grille and front-end panel molding. The header molding no longer had an embedded script. The Cadillac script was now located on the grille. The premier formal padded roof option was offered in five new colors for a total of 12 choices. The Brougham interior included Cadillac's new carpeted and reversible floor mats with a retention device. A 100-amp generator was standard. New standard features consisted of a controlled cycle wiper system, cruise control electronic level control, electrically powered chrome outside mirrors, trumpet horn and a power trunk lid release.
| The 1989 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: | ||
| First digit | "1" | represented the manufacturing country (United States) |
| Second digit | "G" | represented General Motors |
| Third digit | "6" | represented Cadillac |
| Fourth digit | "D" | Brougham car line |
| Fifth digit | "W" | Brougham series identification |
| Digits six and seven | "69" | represent the body style: four-door sedan |
| Eighth digit | "Y" | 307 cu. in. V-8 engine |
| Ninth digit | "?" | a check digit |
| Tenth digit | "K" | represents the model year, 1989 |
| Eleventh digit | - | represents the assembly plant |
| Digits 12-17 | - | the production sequence: 700000 and up |
| Model | Series Number | Body / Style Number | Body Type | Price | Weight | Production Total |
| Brougham | 6D | W69 | 4-dr Sedan | $25,699 | 4190 lb | 28,926 |
| Brougham D'Elegance | 6D | W69 | 4-dr Sedan | $- | - lb | 12,212 |
| Type | 90-degree, overhead valve, V-8, cast iron block and cast iron cylinder heads |
| Displacement | 307 cu. in. (5.0 liters) |
| Bore & Stroke | 3.8 in. x 3.39 in. |
| Compression ratio | 8.0:1 |
| Brake horsepower | 140 @ 3200 rpm |
| Torque | 346 lb.-ft. @ 2000 rpm |
| Main bearings | Five |
| Valve lifters | Hydraulic valve lifters |
| Fuel supply | Four-barrel carburetor |
| Model | Wheelbase | Overall length | Height | Width | Front Tread | Rear Tread | Standard Tires |
| Brougham | 121.5 in. | 221 in | 56.7 in. | 76.5 in. | 61.7 in. | 60.7 in. | Michelin P225/75R15 |