Fuel system
A BACKFIRE DURING ENGINE STARTING CAN CAUSE BREAKAGE OF THE UPPER INTAKE MANIFOLD.
NHTSA lists 3 safety recalls and 59 owner complaints for the 1996 Buick Park Avenue. Most complaints involve air bags (10) and electrical system (9). The EPA rates it 19–21 mpg combined.
A BACKFIRE DURING ENGINE STARTING CAN CAUSE BREAKAGE OF THE UPPER INTAKE MANIFOLD.
THESE VEHICLES WERE ASSEMBLED WITH ONE OR MORE INCORRECT SAFETY BELT AND/OR SAFETY BELT BUCKLE ENDS. THIS DOES NOT CONFORM WITH THE REQUIREMENTS OF FMVSS NO. 209, "SEAT BELT ASSEMBLIES."
THESE VEHICLES WERE ASSEMBLED WITH A MALFUNCTION ALARM, LIGHTING AND LOCKING (MALL) MODULE THAT CAN CONTAIN A DAMAGED CAPACITOR. IF THE CAPACITOR IS DAMAGED, THE "KEY IN THE IGNITION" WARNING CHIME AND THE DRIVER SEAT BELT UNBUCKLED WARNING CHIME AND INDICATOR LAMP MAY NOT WORK. THIS DOES NOT MEET THE REQUIREMENTS OF FMVSS NO. 114, "THEFT PROTECTION" AND FMVSS NO. 208, "OCCUPANT CRASH PROTECTION." IN ADDITION, OTHER CHIME REMINDER FUNCTIONS, INTERIOR LIGHTING CONTROLS, AND POWER DOOR LOCKING FEATURES ARE ALSO AFFECTED.
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
“TL*THE CONTACT OWNS A 1996 BUICK PARK AVENUE. WHILE DRIVING APPROXIMATELY 30 MPH WITH THE BRAKE PEDAL DEPRESSED, THE CONTACT HEARD A LOUD SOUND AND FELT PAIN IN HER LEFT HAND. SHE REALIZED THAT THE AIR BAG DEPLOYED WITHOUT WARNING. THE CONTACT CALLED THE DEALER AND THEY SUGGESTED SHE CALL NHTSA. THE CONTACT SUSTAINED MINOR INJURIES. THERE WERE NO AIR BAG RECALLS AVAILABLE AND THE DEALER HAS NOT INSPECTED THE VEHICLE. THE CURRENT MILEAGE WAS 133,037 AND FAILURE MILEAGE WAS 133,027. UPDATED 12/12/07”
“THE DRIVER SEAT BELT UNBUCKLED WARNING CHIME DOESN'T WORK. THE "KEY IN THE IGNITION" WARNING CHIME USUALLY DOESN'T WORK. THE MALL MODULE HAS BEEN DIAGNOSED AS THE CAUSE BY A LOCAL BUICK DEALERSHIP. THIS SAME ISSUE IS A RECALL ON SOME OF THIS MODEL AND MAKE OF CAR, BUT NOT CURRENTLY ON THIS VIN#. GM AND SUTTLE MOTORS OF NEWPORT NEWS, VA REFUSE TO PAY THE COST OF THE REPAIR. I FEEL LIKE THIS VIN# SHOULD BE PART OF THE RECALL. I PURCHASED THIS VEHICLE USED 5 YEARS AGO, WITH THE PROBLEM OCCURRING THE 1ST DAY OF OWNERSHIP.”
“DAVID NELSON DIED IN CAR FIRE IN DRIVEWAY OF RESIDENCE IN PLENTYWOOD, MT. *TR”
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| Park Avenue Auto 4-spd, 6 cyl, 3.8 L · Front-Wheel Drive | 17 | 27 | 21 | $3,050 | 423 |
| Park Avenue Auto 4-spd, 6 cyl, 3.8 L, Sup Charg · Front-Wheel Drive | 16 | 25 | 19 | $4,200 | 468 |
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
3 safety recalls as of Oct 28, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.
Owners filed 59 complaints with NHTSA. The most-cited components are air bags (10), electrical system (9), engine and engine cooling (9). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
The EPA rates the 1996 Buick Park Avenue at 19–21 mpg combined, depending on engine and drivetrain (2 versions rated).