Used 2008 GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 4A) Consumer Reviews
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txcwby, 12/27/2013
GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 4A)
17 of 17 people found this review helpful
Overall, i would not buy this truck again due to repair costs. At 104,000 miles (notice it's just outside the warranty) engine heads both cracked - with the mileage and the reported issues about oil usage and AFM related issue, it makes more sense to replace with a GM crate engine than to solve part of the problem. Mileage on E85 is 14mpg in 2wd if you are an extremely light footed driver. With 87 octane, the average mpg (light foot) is 18mpg-19mpg in hilly terrain. As a cowboy and rancher, my vehicle is my lifeblood and cost of ownership and reliability is key. This truck just hasn't met the minimum expectations. Cost for new engine at GM dealer - $7,898.77
Collapsed Lifter 5.3L AFM
ricosha3, Monroe, LA, 10/16/2013
GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 4A)
24 of 26 people found this review helpful
There appears to be a problem with the lifters in these 5.3L AFM engines that GM won't admit. At 87K miles and 5.5 years old GM garage says lifter is collapsed & wants to replace all 16 @ $3400 & @ my expense. There are lots of posts from drivers with this problem but GM won't admit and GM Customer Service is only lip service... "out of warranty sucks to be you". GM & the dealers don't care... take my advice and buy a Ford. I'm stuck with this piece of crap cause I just paid it off and can't afford to buy another $40,000 mistake. BTW: this AFM engine is the same as in current models... beware!
GMC got it Right!
J. Barton, 09/14/2007
GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 4A)
5 of 5 people found this review helpful
GMC got it (finally) right with this one. Replaced a 2004 with this vehicle, comparison is like night and day. Fun to drive, good mileage, 18.8mpg in first 500 miles. This one is a winner for GMC. So glad we didn't give up on them and head to the Japnese market. Great interior, fine fit and function and good looks too. I love this truck!
AFM Lifter Camshaft Failure at 85K!!
fedcr, Hallettsville, TX, 04/18/2016
GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 4A)
6 of 7 people found this review helpful
I've always loved the way that GMC's vehicles look, feel and drive. We own a 2008 Yukon XL and love it. This 2008 Sierra Crew Cab SLT 4x4 started consuming 1 quart of oil every 2K miles without any leaks, and then the traction control light, service engine light and many others came on at 84K miles (no warranty). Took it to the dealer where I bought it, and the dealer said it is cylinder 5, camshaft and lifters need to be replaced, and it would be better for me to spend $7500 on a new engine. I skipped the dealer and called GM who agreed to cover everything above $3500. I asked the dealer if the problem with the AFM has been fixed and the dealer said they are not aware of a problem. Ridiculous. So I have a brand new engine but have no confidence in how long it will last. I'm hoping to get rid of this and buy anything other than a GM product.
Great Truck
Drewgold, 08/18/2008
GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 4A)
2 of 3 people found this review helpful
I've only had this truck for a month and all I want to do is drive it. It rides and drives much better than my 05 did. (though I was happy with that truck as well) The controls are well laid out and easy to reach. There is planty of interrior storage. As for all you cry babies about gas mileage, what do you expect from a 5000lb truck with a 315hp V8? I am pretty much getting what the sticker claims. (14/19) If you are that concerned about gas mileage I recomend the Malibu. If you want a great truck then buy a Sierra.
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