2008 Gmc Sierra denali problems
Denali is a nameplate used by GMC for its highest trim level on its vehicles. Vehicles with the Denali trim option carry list prices up to 47% higher than base models. Prices range from $38,600 for GMC Terrain to $109,410 for a top-of-the-line Yukon XL Denali (as of 2023).
The Denali nameplate is often used as an insignia or status symbol, and in particular is popular as a less costly alternative to the Cadillac marque. The Yukon Denali line typically represents 40% of Yukon sales in both units and dollars. In 2013 it sold more than 75,558 units of the Denali brand, which accounted for 20% of GMC's sales, making it one of GM's most successful sub-brands.
History
The Denali nameplate started as the top-of-the-line version of the GMC Yukon for the 1999 model year. It was also GM's first attempt to go after sales from the new-for-1998 Lincoln Navigator. At the time of its introduction. General Motors decided to give Cadillac its own luxury SUV so the Denali's exterior was shared with the 1999 Cadillac Escalade, with only the front fascia and lower side body panels differing from the standard Yukon. Although the Yukon was redesigned alongside the Chevrolet Suburban and Chevrolet Tahoe in 2000, the Yukon Denali, Escalade, and Tahoe Limited/Z71 retained their GMT400 base design.
The "Denali" brand was derived from the native Alaskan Athabaskans / Koyukon people's name for the tallest mountain in North America. It is also the name of the Denali National Park and Preserve that surrounds the mountain, as well as Denali State Park.
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Common 2008 Gmc Sierra denali problems
The 2008 GMC Sierra Denali 1500 has been reported by owners to have several common problems, including issues with the exhaust, fuel system, electrical accessories, paint and trim, in-car electronics, transmission, and engine electrical.
Exhaust problems include failed emissions tests due to cracks in the gas tank, as well as issues with the muffler, pipes, catalytic converter, exhaust manifold, heat shields, and leaks. Sensors and emission-control devices, such as O₂ sensors and the fuel-injection system, can also cause exhaust problems.
Fuel system issues include problems filling up the tank, as well as fuel gauge and sender problems. The fuel pump can also be a source of trouble.
Electrical accessories that have been reported as problematic include the cruise control, clock, warning lights, body control module, keyless entry, wiper motor or washer, tire pressure monitor, interior or exterior lights, horn, gauges, 12V power plug, USB ports, alarm or security system, remote engine start, heated or cooled seats, heated steering wheel, headlights, automatic headlights, automatic wipers, and wireless charging pad.
Paint and trim problems include fading, chalking, peeling, or cracking, as well as loose interior or exterior trim or moldings, and rust.
In-car electronics that have been reported as problematic include the infotainment system, rear entertainment system, backup or other camera/sensors, and head-up display.
Transmission problems include gear selector and linkage issues, transmission computer problems, transmission sensor or solenoid problems, clutch adjustment problems, rough shifting, slipping transmission, leaks, and the need for rebuilds or replacements.
Engine electrical problems include alternator, starter, hybrid battery replacement, hybrid battery related systems, regular battery, battery cables, engine harness, coil, ignition switch, electronic ignition, spark plugs and wires failure, and auto stop/start.
It is important to note that these problems are based on owner complaints and may not represent all issues that could arise with the 2008 GMC Sierra Denali 1500. Regular maintenance and inspections can help prevent some of these problems and ensure the longevity of the vehicle.
Is 2008 GMC Sierra a good year?
Vehicle overview
As a result, the 2008 GMC Sierra 1500 is now one of the best choices for a full-size half-ton pickup. The full redesign addressed nearly all of the previous Sierra's faults.
How reliable are GMC Sierra Denali?
The GMC Sierra is one of the highest-rated pickup trucks on the market in terms of reliability. This rugged pickup truck comes in eight trims, and all of them offer the GMC Sierra reliability written about in J.D. Power's safety ratings. The Sierra is a light-duty truck, rated number one in safety for 2020.
How many miles will a GMC Sierra Denali last?
You will find the standard mileage for the GMC Sierra to be around 250,000 miles. Thus, high mileage for the vehicle is anything around or over 200,000 miles. At this point, the vehicle is very close to potentially experiencing serious, expensive issues depending on how well you've cared for it during its lifetime.
What year did GMC start having transmission problems?
Which Years of the GMC Sierra Have the Most Transmission Troubles? According to vehiclehistory.com, the 2009-2013 GMC Sierra had the most trouble with the transmission. Common issues with the component included hesitation between transmission shifts and various recalls in the system.
Is 2008 GMC Sierra a good year?
Vehicle overview
As a result, the 2008 GMC Sierra 1500 is now one of the best choices for a full-size half-ton pickup. The full redesign addressed nearly all of the previous Sierra's faults.
How reliable are GMC Sierra Denali?
The GMC Sierra is one of the highest-rated pickup trucks on the market in terms of reliability. This rugged pickup truck comes in eight trims, and all of them offer the GMC Sierra reliability written about in J.D. Power's safety ratings. The Sierra is a light-duty truck, rated number one in safety for 2020.
What is the most common problem with GMC?
Nearly every GMC model experiences issues with its HVAC system. The air conditioning condenser on the 2015 Sierra 1500 is known to fail. It seems the Envoy is the only model that escapes this issue.
Which is better Denali or Sierra?
The answer depends on just how many features you need. For people who load a variety of different cargo in different ways, the Multi-Pro Tailgate on the Denali may make more sense. But for people who aren't as work-oriented, the SLT makes more sense.
2008 Gmc Sierra denali complaints
The NHTSA has received 0 complaints about various vehicle components related to the 2008 Gmc Sierra denali.
You can leave your car complaint via the special form below.
Additional sources
More sources of information about 2008 Gmc Sierra denali problems:
2008 GMC Sierra 1500 Review, Problems, Reliability, Value, Life ...
May 18, 2022 ... Very reliable, good performance, only mechanical issue was ball joints, brakes replacement. Get about 28 miles per gallon, cruise control, alloy ...
2008 GMC Sierra 1500 Problems and Complaints - 25 Issues
Problem with your 2008 GMC Sierra 1500? Our list of 25 known complaints reported by owners can help you fix your 2008 GMC Sierra 1500.
Q&A: 2008 GMC Sierra Denali 6.2 Transmission Issues
Jan 19, 2019 ... The torque converter clutch TCC pressure control solenoid and TCC regulator valve all part of the solenoid/valve body contained in the TCM, ...
Important - SEVERE Electrical Failure on 2008 sierra denali. | GMC ...
Oct 26, 2009 ... SEVERE Electrical Failure on 2008 sierra ... I have a 2008 GMC Sierra Denali. I love the ... just had a customer come in with issues where the ...
GMC Denali and 6.2L V8 Reliability? | Pirate 4x4
Sep 20, 2017 ... Does it have the same good reliability of the 5.3L and 6.0L? The truck I am eyeballing is a 2012 GMC Sierra Denali with 170K miles. High ...
Other years of Gmc Sierra denali
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