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ProblemsByVinFile / 2006-BUICK-RAINIERNHTSA data synced 1 day ago
Buick
2006 Buick Rainier problems
The 2006 Buick Rainier has 91 NHTSA owner complaints and 7 active recall campaigns on file. Here's the breakdown — what's serious, what's noise, and what a working mechanic would actually do about it.
The 2006 Buick Rainier has 91 NHTSA owner complaints and 7 recalls on file (U.S. federal records, as of August 2026). The most-reported system is fuel system at 31 complaints, typically surfacing around 68,066 miles (~$1,200 to repair). Source: NHTSA Office of Defects Investigation.
Average for the segment. Some recurring trouble spots worth knowing about.
0
Critical
7
Severe
0
Moderate
Should you avoid this 2006 Rainier?
Acceptable — with caveats
Worth owning if you verify the specific issues below before you buy.
Reliability score 6.4/10 — around the segment average
7 recall campaigns on file
Our read of the federal NHTSA complaint and recall record for this exact year and model —
not a substitute for a pre-purchase inspection. How we score.
Buying a used 2006 Buick Rainier? Check these first
Here's what this model is known to do — so you can inspect for it, price it in, or
make the seller fix it before you sign.
What to inspect on this specific car
fuel system — 31 owner reports
· tends to show around 68,066 mi · ~$1,200 to fix
electrical — 16 owner reports
· tends to show around 111,834 mi · ~$850 to fix
lighting — 12 owner reports
· tends to show around 104,919 mi · ~$250 to fix
suspension — 6 owner reports
· tends to show around 61,750 mi · ~$900 to fix
⚠ The one to take seriously: electrical is flagged
severe on this model
, showing up around 111,834 mi.
Inspect it closely on a test drive.
Recalls to confirm are done
Run the VIN from the listing — 7 active recalls on this model. Recall repairs are always free.
Verdict for buyers: 6.4/10 model. The priciest documented failure is
powertrain (~$2,500) — get the
seller's service records for it or inspect closely. Otherwise an average-risk used buy at a fair price.
We tell you what this model is known for and what to inspect — a vehicle-history report
tells you what this exact car has been through. Smart buyers get both.
A noise, a warning light, a repair quote, "should I buy this?" — get an answer grounded in
this vehicle's actual NHTSA record, not generic advice.
Dash light, leak, worn part — snap it and we'll read it against this car's record.
Photo attached — type a question or just hit Ask.
Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.
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When owners report each system failing, in actual miles — so you can see what's likely behind you,
what's due around now, and what to budget for next. Enter your mileage to mark where you are.
"Typical" = median owner-reported failure mileage from the NHTSA complaint record for this exact
year and model. Not a maintenance schedule — a heads-up on where this model's failures cluster.
The engine quits unannounced and the safety lock dash light illuminates. This can occur anytime regardless of speed. If at highway speed, the car will restart on itself. At low speed, I have to put the tranny in neutral and restart the engine. The dealer cannot find the source…
Tl* the contact owns a 2006 Buick rainier. While driving 50 MPH, the exterior lighting dimmed as if they were not on and started flickering. The contact activated the high beam lights, which also dimmed and flickered. The contact received notification of NHTSA campaign number:…
Regarding exterior lighting- while driving at night -the headlights will suddenly go off & stay off for a period of time.sometimes they will come back on & stay & other times just stay off. It was not happening every time,but now seems to do it more frequently. I'm afraid to…
Had a problem with your 2006 Buick Rainier?
File a complaint with NHTSA → It's free and official — owner filings are what build the federal safety record behind this page.
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
General Motors LLC (GM) is recalling certain model year 2006-2007 Buick Rainier, Chevrolet Trailblazer and GMC Envoy vehicles, and 2006 GMC Envoy XL and Chevrolet Trailblazer EXT vehicles
The protective coating may not eliminate the risk that the circuit board could short and result in a fire, even while the vehicle is unattended.
Fix: GM will notify owners, and dealers will install a new driver's door switch module, free of charge. The recall began on November 2, 2015. Owners may contact Buick customer service at 1-800-521-7300, Chevrolet customer service at 1-800-222-1020, and GMC customer service at 1-800-462-8782. GM's number for this recall is 15700.
General Motors LLC (GM) is recalling certain model year 2007 Pontiac Grand Prix, 2006-2009 Buick LaCrosse, 2006-2007 Buick Rainier, Chevrolet Trailblazer, GMC Envoy, 2006 Chevrolet Trailblazer EXT, GMC Envoy XL, 2006-2008 Isuzu Ascender, and Saab 9-7x vehicles
Headlamps that do not illuminate reduce the driver's ability to see the roadway and reduce the vehicle's visibility to oncoming vehicles, both of which increase the risk of a vehicle crash.
Fix: GM will notify owners, and dealers will replace the HDM, free of charge. The recall began on May 17, 2016. Owners may contact Buick customer service at 1-800-521-7300 or Pontiac customer service at 1-800-762-2737. GM's number for this recall is 14291.
General Motors LLC (GM) is recalling certain model year 2005-2007 SAAB 9-7x; 2006 Chevrolet Trailblazer EXT and GMC Envoy XL; and 2006-2007 Chevrolet Trailblazer, GMC Envoy, Buick Rainier and Isuzu Ascender vehicles
A short in the circuit board could lead to a fire, increasing the risk of personal injury. A fire could occur even while the vehicle is not in use. As a precaution, owners are advised to park outside until the remedy has been made.
Fix: GM will notify owners, and dealers will inspect the part number on the door module, and install a new door module if necessary, free of charge. Parts for the remedy are not currently available. An interim letter was mailed to owners in August 2014. A second owner letter will be mailed when parts are available. Owners may contact GM customer service at 1-800-521-7300 (Buick), 1-800-222-1020 (Chevrolet), 1-800-462-8782 (GMC), 1-800-955-9007 (SAAB), and 1-800-255-6727 (Isuzu). GM's number for this recall is 14309. NOTE: This recall provides a new remedy for all vehicles covered by recall 13V-248. Vehicles whose modules were modified but not replaced as part of the previous recall remedy must have their vehicles remedied again under this campaign.
It's got known weak points. With a reliability score of 6.4 out of 10 based on 91 owner complaints filed with NHTSA, the 2006 Buick Rainier has a higher-than-average rate of reported issues. The areas to watch are listed above. Whether it's worth owning depends on price, condition, and how much repair exposure you can absorb.
Should you avoid the 2006 Buick Rainier?
The 2006 Buick Rainier is acceptable, with specific caveats. Worth owning if you verify the specific issues below before you buy. The record behind that call: Reliability score 6.4/10 — around the segment average; 7 recall campaigns on file. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
What should I check before buying a used 2006 Buick Rainier?
Inspect the fuel system first — it's the most-reported issue on this model, with 31 owner complaints filed. Typical failure occurs around 68,066 miles. Average repair cost runs about $1,200 at an independent shop. Also confirm any open recalls have been completed by running the VIN, and ask for service records covering the problem areas listed above.
Is the 2006 Buick Rainier a good used car to buy?
It scores 6.4 out of 10 on our NHTSA-based read of 91 owner complaints. The main thing to watch is fuel system. Typical failure occurs around 68,066 miles. Priced fairly and clean on inspection, it's a reasonable used buy. Our data covers what this model is known for — pair it with a vehicle-history report on the VIN to see what that specific car has been through.
What's the most common problem on the 2006 Buick Rainier?
Based on NHTSA records, the most-reported issue is fuel system, with 31 complaints filed. Typical failure occurs around 68,066 miles. Average repair cost runs about $1,200 at an independent shop.
What's the most expensive thing that goes wrong?
The fuel system is one of the costlier repair items. Average repair cost runs about $1,200 at an independent shop. Typical failure occurs around 68,066 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Buick Rainier has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2006 Buick Rainier?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 91 complaints on file and the costliest repair averaging $1,200, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.
Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database, last synced 1 day ago. Verify the raw federal record at
nhtsa.gov/vehicle/2006/Buick/Rainier.
Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics.
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