2006 GMC Yukon XL.
The 2006 GMC Yukon XL has too few complaints to score: 5 in its first 3 years. Owners complain most about transmission & drivetrain, it has 3 recalls, and it gets 13 to 14 mpg combined. The best GMC Yukon XL year is 2010.

Before you buy. What matters most for this car.
How serious. Out of 35 owner complaints, owners reported:
Older model year: fewer owners filed complaints back then, so treat the score as rough.
Every GMC Yukon XL year. 2006 is highlighted. Lower is better.
What owners complain about most. From owner complaints to the government.
Share of this year's owner complaints filed with NHTSA, not the share of cars that break. One complaint can name more than one area.
When owners reported problems. From owner complaints to the government.
Most owners who filed a complaint with NHTSA had 41K to 125K miles on the car (28 complaints listed the miles). This shows when people who had a problem reported it, not the odds that your car will have it.
Recalls 3
- wheels 2007
CERTAIN FEDERAL-MOGUL REPLACEMENT WHEEL HUB ASSEMBLIES WITH THE BRAND NAMES: NATIONAL, CARQUEST P/NOS. 515020, 515021, 515025, 515053, 515054, 515059, AND 515060, SHIPPED BETWEEN JANUARY 23, 2006, AND DECEMBER 20, 2007, …
- engine 2006
ON CERTAIN TRUCKS EQUIPPED WITH AN 8.1L V8 (RPO L8-VIN G) ENGINE HAVE A CONDITION IN WHICH THE ENGINE FUEL RAIL PULSE DAMPER RETAINER CLIP MAY FRACTURE RESULTING IN INADEQUATE RETENTION OF THE DAMPER.
- equipment 2005
CERTAIN TRUCKS AND SPORT UTILITY VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES WERE SHIPPED WITH TIRE AND LOADING INFORMATION LAB…
Recall repairs are free at any dealer. A recall only matters if it's still open on that exact car, so check its VIN.
Problems GMC told dealers about
GMC sent dealers 735 repair notes for this car. The ones about its biggest problems:
- Left front axle shaft difficult to remove
- Abs light on, dtc's c0265, c0201, u1041 set and/or loss of communication with brake module
Ask a seller or mechanic if these were done. Some are free under warranty or a special program.
Safety
Crash stars (older test): front ★★★★☆ · side — · rollover ★★★☆☆
Fuel cost and engines
About $4600–4950 a year in fuel (EPA estimate). Engines: 5.3L 8-cyl, 6.0L 8-cyl.
Quick answers
Is the 2006 GMC Yukon XL reliable?
There isn't enough data to score it: owners filed only 5 complaints in its first 3 years.
What are the most common 2006 GMC Yukon XL problems?
In owner complaints to the government, the parts named most are transmission & drivetrain (20%), electrical (20%) and speed control (20%). That is the share of complaints, not the share of cars that break.
How many recalls does the 2006 GMC Yukon XL have?
3 safety recalls (latest: wheels). Recall repairs are free at any dealer; check a specific car's VIN at nhtsa.gov/recalls.
What gas mileage does the 2006 GMC Yukon XL get?
13 to 14 mpg combined, depending on the engine (EPA estimate).
At what mileage do 2006 GMC Yukon XL problems start?
Half of the owners who gave a mileage reported the problem between 41,200 and 125,000 miles. The middle report was at 104,900 miles, from 28 complaints.
Does the 2006 GMC Yukon XL have transmission problems?
Transmission and drivetrain issues make up 20% of its owner complaints.
How much does the 2006 GMC Yukon XL cost in fuel a year?
About $4600 to $4950 a year, by the EPA's current estimate.
What engines does the 2006 GMC Yukon XL have?
5.3L 8-cyl, 6.0L 8-cyl.
What GMC Yukon XL year is better than the 2006?
By owner complaints per car sold, the best recent years are 2010, 2012 and 2011.
Lemon Index = safety complaints filed with the U.S. government (NHTSA) in a car's first 3 years, per car sold, against the average car of the same model year. 100 is average; lower is better. A complaint is an owner's report, not a confirmed defect. How it works