NHTSA lists 2 safety recalls and 138 owner complaints for the 2005 Buick Rendezvous. Most complaints involve electrical system (38) and steering (18). The EPA rates it 18–19 mpg combined.
CERTAIN DELPHI FUEL PRESSURE REGULATORS, P/NOS. FP10020-11B1, FP10026-11B1, AND FP10027-11B1, SOLD AFTER JANUARY 9, 2007, AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES LISTED ABOVE. THE UNIVERSAL PRESSURE REGULATORS (UPR) WERE PRODUCED WITHOUT AN O'RING AND RETAINER.
CERTAIN VEHICLES ORIGINALLY BUILT WITH CLOTH SEATS THAT WERE EQUIPPED WITH AN AUTOMATIC AIR BAG PASSENGER SENSING SYSTEM AND LATER REUPHOLSTERED WITH AFTERMARKET LEATHER SEAT COVER KITS ARE INVOLVED. TESTING HAS INDICATED THAT THE AFTERMARKET LEATHER SEAT COVERS CAN CAUSE THE PASSENGER SENSING SYSTEM TO MALFUNCTION.
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
“I bought my car from a used car lot. I had it about 3-4 months and out of the blue it overheated very quickly, the warning light was on, some type of loud buzzer was going off so I pulled over and let it cool off, it took about 45 minutes but it started back up. I checked all the fluids and coolant levels and everything was ok. This continued to happen for about 3 weeks, quickly overheat, lights, alarms pulled over, checked fluids over and over. After about 3 weeks it would quickly overheat and then shut off on its own and several times it happened so fast I barely got off the road.i took it to a mechanic that drove it around a little until it overheated which at this point only took about 3 minutes to happen. He said there was air in my radiator and he released it and it was fixed, I drove about 3 miles and it overheated again so I returned to the same mechanic and after about 6 minutes he came and told me it was a head gasket but they didn't repair those there so I called the next closest mechanic who looked at the car for about 3 minutes, stuck an air hose in the radiator and he said it was blowing out gas fumes from the radiator meaning I had a cracked…”
“My kids and I were driving down the road all of a sudden I heard this loud sound and then my car wouldn't turn left or right the steering wheel turned but not the car thank God I wasn't goin very fast I was able to slowly pull to the side of the rd then it started smoking like it was on fire my kids and I had to hurry and jump out an the carlot I got it from is picking it up to be looked at.”
“The contact owns a 2005 Buick Rendezvous. The contact stated that while driving approximately 35-40 MPH, the vehicle started losing motive power and was shuddering while shifting gear. The “Service Engine Now” warning light was illuminated. The contact was able to pull over to side of the roadway, turn off and restart the vehicle and drove to her residence safely. The vehicle was not taken to the local dealer to be diagnosed. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 175,000.”
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 |
|---|---|---|---|---|---|
| Rendezvous FWD Auto 4-spd, 6 cyl, 3.4 L · Front-Wheel Drive | 17 | 24 | 19 | $3,300 | 468 |
| Rendezvous FWD Auto 4-spd, 6 cyl, 3.6 L · Front-Wheel Drive | 16 | 24 | 19 | $3,300 | 468 |
| Rendezvous AWD Auto 4-spd, 6 cyl, 3.4 L · 4-Wheel or All-Wheel Drive | 16 | 22 | 18 | $3,450 | 494 |
| Rendezvous AWD Auto 4-spd, 6 cyl, 3.6 L · 4-Wheel or All-Wheel Drive | 16 | 23 | 18 | $3,450 | 494 |
| 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 |
2 safety recalls as of Nov 9, 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 138 complaints with NHTSA. The most-cited components are electrical system (38), steering (18), engine (18). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
The EPA rates the 2005 Buick Rendezvous at 18–19 mpg combined, depending on engine and drivetrain (4 versions rated).