The 2004 draws 3.39 complaints per run and the 2007 1.68, a 2.0-fold gap within the same model. Half of all complaints arrive by 6 years of age, so 88.9% land after the 3-year basic warranty ends. The system owners report most is Electrical System, with 118 complaints, typically at 6.6 years.
Buick Rainier years to avoid — and the best ones
| Model year | Per run | Complaints | Runs | Enough history? |
|---|---|---|---|---|
| 2007 | 32 | 19 | yes | |
| 2006 | 79 | 31 | yes | |
| 2005 | 90 | 34 | yes | |
| 2004 | 122 | 36 | yes |
Among the 4 Buick Rainier years with enough history, the three to walk away from are 2004, 2005, 2006; the three worth hunting are 2007, 2006, 2005.
When it starts to break
| Age at failure | Complaints | Running total | Warranty |
|---|---|---|---|
| 0 years | 6.1% | covered | |
| 1 year | 8.3% | covered | |
| 2 years | 11.1% | covered | |
| 3 years | 17.8% | you pay | |
| 4 years | 28.7% | you pay | |
| 5 years | 46.5% | you pay | |
| 6 years | 57.3% | you pay | |
| 7 years | 66.2% | you pay | |
| 8 years | 72.6% | you pay | |
| 9 years | 81.2% | you pay | |
| 10 years | 87.3% | you pay | |
| 11 years | 91.1% | you pay | |
| 12 years | 94.9% | you pay | |
| 13 years | 96.8% | you pay | |
| 14 years | 99% | you pay | |
| 15 years | 100% | you pay |
Basic warranty on this car is 3 years / 36,000 miles. Only 11.1% of reported failures happen inside it — the remaining 88.9% come out of the owner's pocket. Powertrain cover (5 years / 60,000 miles) reaches further, but it only covers the engine and transmission, which account for about 7% of the complaints here.
What actually fails — and at what age
What waits further out is Electrical System at 6.6 years — past every basic warranty, and the bill lands on whoever owns the car then.
| System | Complaints | Typical age | Crash | Fire |
|---|---|---|---|---|
| Electrical System | 6.6 yrs | 3 | 9 | |
| Fuel System | 5 yrs | 1 | 1 | |
| Gasoline | 5 yrs | 1 | 1 | |
| Exterior Lighting | 7.7 yrs | 1 | 1 | |
| Power Train | 5.1 yrs | 2 | 1 | |
| Air Bags | 6.7 yrs | 11 | — | |
| Suspension | 8.2 yrs | — | — | |
| Vehicle Speed Control | 6.9 yrs | 1 | — |
What else in this class
6 models share the Rainier's vehicle class. Per production run, the Chevrolet Tahoe draws 3.76, the Nissan Xterra 7.88 and the GMC Yukon XL 2.11, against 2.69 for the Rainier.
| Same class as the Rainier | Complaints on record | Recall campaigns | Years built |
|---|---|---|---|
| Chevrolet Tahoe | 169 | 1995–2026 | |
| Nissan Xterra | 64 | 2000–2015 | |
| GMC Yukon XL | 91 | 1995–2026 | |
| Chevrolet Avalanche | 46 | 2002–2013 | |
| Dodge Magnum | 22 | 2005–2008 | |
| Jeep Commander | 24 | 2006–2010 |
The table shows totals on record; the rates per production run are in the sentence above.
Good year or bad year — the VIN settles it.
- Check any VIN against complaints for its exact build year and plant
- Exact value for that car, adjusted for its mileage
- Full research report as a PDF you can hand to a mechanic
- Alerts if a recall lands on a car in your garage
- No ads, on every page
- No ads, no tracking — and much more
Frequently asked questions
Is the Buick Rainier reliable?
By complaints per production run it is better than typical: 2.69 against 3.73 for the average car, and in the middle of its class rivals.
Which Rainier years should you avoid?
By complaints per production run, 2004, 2005, 2006. The cleanest years old enough to judge are 2007, 2006, 2005. Years newer than 6 are left out: complaints keep arriving for years after a car is sold.
When do Rainier problems usually start?
Half of all complaints arrive by 6 years of age. The most reported system is Electrical System, typically at 6.6 years, followed by Fuel System.
Will the warranty cover Rainier problems?
Mostly not: basic cover is 3 years / 36,000 miles, and only 11.1% of reported failures fall inside it. Powertrain cover lasts longer, but engine and transmission make up about 7% of the complaints here.
Is the Rainier more reliable than the Chevrolet Tahoe?
Yes: 2.69 complaints per production run for the Rainier against 3.76 for the Chevrolet Tahoe.
Mark ForCar as a preferred source and our data shows up first in your Google results. One click, no account.