Cadillac Seville Models & History 1991

The Seville sedan and Seville Touring Sedan (STS) again comprised the Series 6K lineup.

Updates and revisions mirrored those charges listed for the Eldorado, with the exception of the following: The STS received new blue-tinted outside rearview mirrors as standard equipment and its seating area was revised.

In addition to redesigned seats, new full Beechwood leather front bucket seats included six-way power seat adjusters, power recliners and power lumbar support for driver and passen�ger. There was also a full-width rear leather seat with integral headrests. The previously seen rear console was eliminated to accommodate a third center rear seat passenger.

Final drive ratio for the Seville sedan was 2.97:1 while the SLS’s was 3.33:1.

The STS was equipped with the firmer ride and handling of a tour�ing suspension package. It included 23mm front and 16mm rear stabilizer bars, special 16-inch forged aluminum wheels with Goodyear Eagle GT4 P215/60R16 tires. A touring package with 15-inch cast aluminum wheels and Goodyear Eagle GT4 P215/65R15 tires was optional on the Seville sedan.

High-gloss birdseye maple wood was used to accent the Seville’s instrument panel and console, while the STS exclusively featured elm burl high-gloss wood in all door panels, instrument panel and console.

The 1991 Sevilles also received a new taillamp treatment and neutral density back-up lamps.



The 1991 Cadillac had a 17-symbol vehicle iden�tification number (VIN) stamped on a metal tag attached to the upper left surface of the cowl visible through the wind�shield. 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 Ca�dillac
The fourth and fifth represented the car line/series, K/S=SevilLe, K/Y=Seville Touring Sedan
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: “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 produc�tion sequence number.

Model Series Body/Style Body Type Factory Price Shipping Weight Production Total
Seville KS5 S69 4-dr. Sedan $33935 3513 lb Seville production totaled 26,431 with no further brea�kout available.
Seville KY5 Y69 4-dr. Sedan $33935 3565 lb Seville production totaled 26,431 with no further brea�kout available.


Type 90-degree overhead valve V-8
Block Aluminum block
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.
Compression ratio 9.5:1
Bhp 200@4100 rpm
Torque 275 lb.-ft.�3000 rpm
Lifters Roller hydraulic valve lifters
Injection Sequential port fuel injection


Feature Standard Touring STS with 16″ wheels
Wheelbase 108.0 in. (2743 mm) 108.0 in. (2743 mm) 108.0 in. (2743 mm)
Overali Length 190.8 in. (4846 mm) 190.8 in. (4846 mm) 190.8 in. (4846 mm)
Height 53.2 in. (1351 mm) 53.2 in. (1351 mm) 53.2 in. (1351 mm)
Width 72.0 in. (1829 mm) 72.0 in. (1829 mm) 72.0 in. (1829 mm)
Front Tread 59.9 in. (1521 mm) 59.9 in. (1521 mm) 59.9 in. (1521 mm)
RearTread 59.9 in. (1521 mm) 59.9 in. (1521 mm) 59.9 in. (1521 mm)
Standard Tires P205/70R15 Goodyear Eagle GT4 kP215/65R15 215/60R16


Transmission 4T60-E electronically controlled four-speed automatic with overdrive (includes viscous converter clutch)
Steering Power-assisted rack-and-pinion
Front Suspension indepen�dent Macpherson strut with coil springs. strut-type shock absorbers~integrai-in strut and Computer Command Ride on Fleetwood, Seville. Eldorado) and stabilizer bar
Rear Suspension Fully independent transverse monoleaf with automat�ic level control and Computer Command Ride. no rear stabilizer
Brakes Power assisted front disc/rear drum w/Teves anti-lock braking system. Seville used Bosch Il ABS
Body Construction integral body-frame
Fuel Tank 18.8 gal.


FE2 Touring Suspension pkg. $155 Heated Windshield syst. $309
Astroroof $1,550 Gold Ornamentaton Pkg. $395
Leather Seating $460 Auto Day/Night Mirror $110.
Firemist Paint $240 Lower Accent Firemist Paint $50
White Diamond Paint $240 Delco-Bose Sound Syst. $575
Delco-Bose Sound Syst. w/CD $872. Phaeton Root $1,195
P215/65R15 WSW Tires (only w/FS2 Touring Susp.) $76 Locking Wire Wheel Discs $235.