2003 GMC Sierra 1500 - Consumer Reviews

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just like a beautiful woman
By pabelomeister on 03/12/13 23:37 PM (PDT)

Vehicle

2003 GMC Sierra 1500 4dr Extended Cab SLE 4WD LB (5.3L 8cyl 4A)

Review

I got this truck used with 80000. It had a bad intake gasket and got replaced. Engine has not given me any issues since. z71 4x4 is pretty dang nice, its hard to get this this thing stuck in the mud. Issue with the motor in the transfer case... but never stopped working (says service yada yada. been checked. not a big issue). basic maintenance and think I can give this vehicle to my kids (not soon either). GMC seems like a good truck with some quirks, but solid and runs when you need it. The 5.3 has some passing power, and tows like a champ. If you like your girls a little high maintenance, go on and get it. If not, then buy an old truck and forget about all the gadgets. good luck.
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Great Truck
By CJB on 08/25/10 19:09 PM (PDT)

Vehicle

2003 GMC Sierra 1500 4dr Extended Cab 4WD SB (4.8L 8cyl 4A)

Review

I bought the truck new in 2003.I needed something for the snow and thought I would try a GMC for once.There have been no problems with the truck until the 4WD module went out at 55k miles.The truck seems to dance around in the rear end in the snow abit.havent had any problems to speak of until 85k miles when the left front hub bearing went out. Tires lasted until 68k miles and still have the original battery in it.The front/rear brakes still have 50% left and should be good until 150k miles.The interior is still solid and everything still works like the day I bought it.
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Review
By R Coyle on 05/18/10 04:42 AM (PDT)

Vehicle

2003 GMC Sierra 1500 4dr Extended Cab SLE 4WD LB (5.3L 8cyl 4A)

Review

Bought new in late 2002 truck has been average for comfort and mileage is good. Reliability is not good to many small issue my truck only has 60k and have replaced both front wheel bearings, replaced two power window motors, had to replace sensor for ABS brakes, steering gear box and now the cluster is going bad. GM know the cluster unit is an issue but refused to help on the repair cost. I think I am going to look at the Toyota Tundra for my next truck. GM just need to have a better warranty on the little things that are always going bad on their vechiles.
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Best Vehicle I have ever Owned
By Tony on 11/13/09 11:35 AM (PST)

Vehicle

2003 GMC Sierra 1500 4dr Extended Cab SLE Rwd SB (4.8L 8cyl 4A)

Review

Bought truck new in 03,I have over 140K and have not had to spend $1 on repairs. Replace fluids and do proper maintenance and it runs as good as the day I bought it.Would like to buy a new truck but cannot justify replacing it as it is so reliable. I drive a lot of highway miles and get almost 19 MPG if I keep it around 70 MPH.
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So far So Good
By Joe on 07/02/09 11:00 AM (PDT)

Vehicle

2003 GMC Sierra 1500 4dr Extended Cab SLE 4WD SB (4.8L 8cyl 4A)

Review

Bought used for 10,500. Low miles 56k. My first real truck. I didn't want to afford a Tundra so this fell in my exact range of price. Drives like a truck and runs like a truck. Its been strong for the couple months of ownership. The seatbelt squeked but some wd-40 after taking off the plastic clip cleaned it right up. BEWARE of installing aftermarket cd players in here. I had to pay 120 dollars for a wire harness do my air bags and door chime worked! The truck is roomy and fits side and rear passengers very well. The spare tire holder under the truck won't work but hey, for the price could not beat it. Looking forward to 4wd this winter and owning a nice big truck.
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Best Truck on the market
By Russell on 06/16/09 11:25 AM (PDT)

Vehicle

2003 GMC Sierra 1500 2dr Regular Cab Rwd SB (4.3L 6cyl 5M)

Review

Original owner. 130k miles. RELIABILITY-I've only had 2 problems, and 1 (speedometer) was a recall. The catalytic converter went out at 115k, but other than that, no rattles, no squeaks, not even a brake job. Overall reliability is good, better than my Toyota Matrix. DRIVETRAIN-GM says this V6 has less HP than Ford's, but this pickup (w/3.42 rear end) sure feels stronger than my brother's (w/3.55). No oil leaks at 130k, no slips in the tranny. INTERIOR-I like it, but most auto critics say it looks cheap. Seats are plush and ride is comfy. Overall reliability may belong to Honda/Toyota, but GM's powertrain sold me. None of the tranny problems typical of Hondas, better engines than Toyota.
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1 of 1 people found this review helpful
Best of the best
By Tyler on 04/08/09 20:09 PM (PDT)

Vehicle

2003 GMC Sierra 1500 2dr Regular Cab SLE 4WD SB (4.8L 8cyl 4A)

Review

I just recntly purchased my 2003 gmc sierra z71. I am truly amazed with the truck it has great power along with gread gas milage of a full sized truck. my frien has a 2002 ford f-150 4x4 and does good to get 12 mpg with conservative driving... he is now convienced to but a gm i dont blame him, i tip my hat to gm .. great job!
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great design, but GM almost blows it...
By built for work on 03/27/09 15:52 PM (PDT)

Vehicle

2003 GMC Sierra 1500 2dr Regular Cab Rwd LB (4.3L 6cyl 5M)

Review

I use mine as a strict work truck,; cloth seats, rubber floor mat and auto was only option. Easiest vehicle to drive I have own; very docile and predictable. But GM botched the steering shaft coupler; rattles across rough terrain.
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Couldn't ask for anything more.
By rustysmith on 03/03/09 13:26 PM (PST)

Vehicle

2003 GMC Sierra 1500 2dr Regular Cab Rwd SB (4.3L 6cyl 5M)

Review

6 years later, I'm still happy with my purchase. It's been a great truck with no worries. The only problem I've had is not getting the speedometer fixed before the recall ran out. My own fault. Other than that, only oil changes for over 120k miles. Reliability on these trucks is second-to-none. I have three friends with the same body style (one '04 and two '05's) and all have over 100k miles w/only 3 problems. My speedometer went out @ 105k. On the '05, his alternator went out @ 134k and his tranny went @ 166k. Using the gold standard of reliability, he has an '01 Camry. The starter went @ 150k and the tranny @ 160k. GM seems to be catching up to the Japanese automakers. Great job.
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Too many small problems
By tedmc on 12/05/08 11:24 AM (PST)

Vehicle

2003 GMC Sierra 1500 4dr Extended Cab SLE 4WD SB (4.8L 8cyl 4A)

Review

Overall, a nice truck, but too many small problems that are now adding up. So far, I've had the steering shaft replaced 3-4 times, the passenger back window replaced, the heated seats on the driver's side replaced, and now the instrument cluster has gone haywire. Oh yeah, I've been complaining about the awful noise the front end makes when the 4WD is engaged, but the dealership (not where I bought it) says that it is normal. Are you kidding me? I still like my truck as it rides and drives great, but I sold a 13 year old Toyota when I bought this one that was a better truck. I probably won't buy GM again if there are other options out there. Too bad.
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