Cadillac's traditional rear-drive sedan was now powered by Oldsmobile's 5.0 liter V-8 engine and four-speed overdrive automatic. Standard features included a limo-like closed-in back window and standard full-length vinyl roof, plus a long list of Cadillac equipment -- all for a price that began at $21,265. The Brougham coupe was dropped soon before the model year began, and the sedan didn't appear until February 1986. So '85 models remained on sale through the end of the year.
At 121.5 inches, Brougham's wheelbase was the longest of any production automobile other than the stretched (but limited-production) front-drive Fleetwood. Broughams came in a dozen standard colors plus five optional Firemist hues. Bright moldings ran from front fender tips, below the window line and back around the rear quarters. Broughams also carried large full-length rocker moldings and electro-luminescent opera lamps. Standard equipment included
Luxury-minded buyers could again step up to a Brougham d'Elegance. That package consisted of
| Model | Series Number | Body/Style Number | Body Type | Seating | Factory Price | Shipping Weight | Production Total |
| Fleetwood Brougham (Rear-Drive V8) | 6D | W69 | 4-door Sedan | 6 | $21,265 | 3945 lb | 49,115 |
| Feature | Fleetwood & Limousine | Brougham |
| Type | 90-degree, overhead valve V-8. Cast iron block and head | 90-degree, overhead valve V-8. Cast iron block and head |
| Displacement | 249 cu. in. (4.1 liters) | 307 cu. in. (5.0 liters) |
| Bore & stroke | 3.47 x 3.31 in. | 3.80 x 3.39 in. |
| Compression ratio | 8.5:1 | 8.5:1 |
| Brake horsepower | 130 at 4200 R.P.M. | 140 at 3200 R.P.M. |
| Torque | 200 lbs.-ft. at 2200 R.P.M. | N/A |
| Main bearings | Five | Five |
| Valve lifters | Hydraulic | Hydraulic |
| Fuel supply | Throttle body injection | 4-bbl Carburetor |
| VIN Code | 8 | Y |
| Feature | Fleetwood | Limousine | Brougham |
| Wheelbase | 110.8 in. | 134.4 in. | 121.5 in. |
| Overall length | 195.0 in. | 218.6 in. | 221.0 in. |
| Height | 55.0 in. | 55.0 in. | 56.7 in. |
| Width | 71.7 in. | 71.7 in. | 75.3 in. |
| Front Tread | 60.3 | 60.3 in. | 61.7 in. |
| Rear Tread | 59.8 in. | 59.8 in. | 60.7 in. |
| Standard Tires | P205/75R14 | P205/75R14 |
| Feature | Fleetwood/Limousine | Brougham |
| Transmission | Four-speed (THM440-T4) automatic | Four-speed overdrive automatic (THM200-4R) |
| Gear ratio | (1st) 2.92:1; (2nd) 1.57:1; (3rd) 1.00:1; (4th) 0.70:1: (Rev) 2.38:1 | (1st) 2.74:1: (2nd) 1.57:1; (3rd) 1.00:1; (4th) 0.67:1; (Rev) 2.07:1 |
| Standard final drive ratio | 2.97:1 | 2.73:1 |
| Steering | power rack and pinion | recirculating ball |
| Front suspension | MacPherson struts, lower control arms, coil springs and stabilizer bar | upper/lower control arms, coil springs, stabilizer bar |
| Rear suspension | independent struts, coil springs, stabilizer bar, electronic level control | four-link rigid axle, coil springs, electronic level control |
| Brakes | front disc, rear drum | |
| Fuel tank | 18.0 | 20.7 gal. |
1985