Sign in | Register | My account |

2003 GMC Sierra 1500 Overview

Sierra 1500

Looking for a Used Sierra 1500 in your area?

CarGurus has 62,084 nationwide Sierra 1500 listings starting at $2,250.


Find the Right Car Model for You

Not sure where to start? Find the models that are right for you using the CarGurus Car Finder.



Work Truck

GMC Sierra 1500 Experts

#1 dragonflyoffshore
Reputation 990
#2 Glenn Clingenpeel
Glenn Clingenpeel
Reputation 600
#3 tenspeed
Reputation 590
View All

Average User Score

4.45 stars

Based on 13 reviews

Gmc! The Only Way To Go! by Carlos
 — Big ass tough truck! One of the best vehicles I ever had. Certainly the newest. I'd like to paint it though...right now it's white, which I don't care for. I want to paint it black...All the power whe... Read More
Great Vehicle To Own by Danny
 — Performance- is great all around. Build quality- needs a lil fixin up Apperance- looks good but just dirty Cost of ownership- 20 mpg, good maintenance Fun Factor- You ask anyone and they will tell you... Read More
2003 Gmc Sierra by Jason
 — You have to love GMC. They are professional grade. unfortunately I have the 4.3 V6. Its a great motor. tough as hell. But just not quite enough power for a full size truck. But hey, you take what... Read More

People researching a 2003 GMC Sierra 1500 contacted a dealer about

2003 GMC Sierra 1500 SLE 4WD Standard Cab SB, clean, exterior
GMC Sierra 1500
32% of the time
Chevrolet Silverado 1500
18% of the time
Ford F-150
12% of the time
Dodge Ram Pickup 1500
5% of the time
Sierra 1500
Looking for a Used Sierra 1500 in your area?
CarGurus has 62,084 nationwide Sierra 1500 listings starting at $2,250.

GMC Sierra 1500 Questions


I Have No Codes But Idles Rough And Stalls Out 2003

This started out mild and gets worse over time

80 views with 5 answers (last answer 2 months ago)

All Gauges Quit Working On My 2003 Gmc Sierra 1500

All the guages quit working at the same time on my 2003 GMC Sierra 1500...hasn't been driven for about 9 days

91 views with 1 answer (last answer 2 months ago)

What Would Cause My Engine To Run Erratically While Idling?

My engine light came on and I hooked up a scanner to it and it read 5 codes, 2 of which were duplicates.most of the time it idles normal but once in a while it will seem to struggle to stay running....

132 views with 5 answers (last answer 2 months ago)
Chris Smith

I Put My Truck Into Drive Or Reverse N It Will Not Move At All What Is Caus...

350 views with 49 answers (last answer 2 months ago)

03 Sierra1500 Sle 4x4 5.3 Haveing 4x4 Problems

my truck is shifting real hard and when i put it in 4x4 it feel like the rear end is binding and it starts glunking real bad and ever since that started its been running real rich then my check engi...

144 views with 1 answer (last answer 4 months ago)