1984 Cadillac seville
Recalls, most-reported problems, crash-test ratings, fuel economy and what a 1984 Cadillac seville is worth — from official NHTSA and EPA data. 2 on record.
1984 Cadillac seville at a glance
Included: that car's specs and build sheet, model-year recall campaigns and a fair price.
1984 Cadillac seville recalls 1
A SMALL NYLON BUSHING IN THE CRUISE CONTROL SERVO BAIL MAY SLIP OUT OF PLACE, CAUSING INTERMITTENT AND UNEXPECTED INCREASES IN ENGINE SPEED OR DIESELING (ENGINE RUN ON WITH IGNITION OFF).
Fix: INSTALL A NEW BUSHING IN CRUISE CONTROL SERVO BAIL.
Source: U.S. NHTSA, checked 4 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.
1984 Cadillac seville common problems
The most-reported problem areas across all 1 owner complaint filed with NHTSA — and what to check before you buy.
1984 Cadillac seville MPG & running costs
Source: U.S. EPA / DOE fueleconomy.gov. The EPA lists 3 versions of this model year; combined is shown as a range and the other figures are averages.
Estimated 5-year cost to own
A rough guide to what running a 1984 Cadillac seville costs over five years and 75,000 miles.
How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.
Dimensions & weight
Manufacturer-reported figures for the 1984 Cadillac seville. Source: Transport Canada vehicle specifications via NHTSA.
Investigations & service bulletins
NHTSA defect investigations 1
THROTTLE NON-RETURN Closed
NHTSA #C89001 · Vehicle Speed Control · opened Mar 1989 · closed Jan 1990An investigation means NHTSA is examining a possible defect — it is not a recall, and many close without one.
Source: NHTSA Office of Defects Investigation, listed for the SEVILLE. Model-year data, not specific to one car.
Canadian recalls 1
Transport Canada recall campaigns for the 1984 Cadillac seville. Relevant if the car was first sold in, or imported from, Canada.
Engine
A SMALL NYLON BUSHING IN THE CRUISE CONTROL SERVO BAIL (BRACKET) MAY SLIP OUT OF PLACE RESULTING IN POSSIBLE INTERMITTENT INCREASES IN ENGINE SPEED OR DIESELING. THIS CONDITION COULD ALSO CAUSE THE SERVO ROD ASSEMBLY TO WEAR THROUGH THE BALL AND CATCH ON OTHER COMPONENTS POSSIBLY RESULTING IN A STUCK THROTTLE. THIS COULD RESULT IN LOSS OF VEHICLE CONTROL AND A POSSIBLE CRASH. C…
Transport Canada #1989092 · Jul 1989Source: Transport Canada Motor Vehicle Safety Recalls Database.
About the Cadillac seville
The Cadillac Seville is a mid-size luxury car manufactured and marketed by General Motors under the Cadillac brand from the 1976 to 2004 model years as a smaller-sized, premium model. It was replaced by the STS in 2004 for the 2005 model year.
From Wikipedia, licensed CC BY-SA 4.0. Describes the model line in general, not this model year specifically.