GMC Experts

#1 John Saffrahn
John Saffrahn
Reputation 2,360
#2 dragonflyoffshore
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#3 dandyoun
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GMC Make Overview

Passenger Cars

1967 GMC C/K 15 Overview
1967 (announced)
View C/K 15 questions


GMC Envoy Overview
1998 - 2009 (used)
GMC Envoy XL Overview
2002 - 2006 (used)
GMC Envoy XUV Overview
2004 - 2005 (used)
GMC Jimmy Overview
1978 - 2001 (used)
GMC Suburban Overview
1937 - 1999 (used)


GMC Safari Overview
1990 - 2005 (used)

Pickup Trucks

GMC Sierra 3500 Overview
1990 - 2006 (used)
GMC Sonoma Overview
1991 - 2004 (used)

GMC Questions


Rough Idle, Stalling, Loss Of Power.

o2 sensor code 44 (lean) Replaced: coolant temp sensor, tps, map sensor, fuel filter, and o2 sensor. It will run normal on occasion but only lasts about 45 seconds or so. I don't think its the torqu...

70,791 views with 204 answers (last answer 33 minutes ago)

Bench Seat For 2015 Yukon Xl

Am looking to buy or trade for light grey bench seats in a 2015 Yukon XL

97 views with 2 answers (last answer 10 hours ago)

Speedometer Doesn't Work And Transmission Doesn't Shift Gears.

The speedometer stays at 0 all the time. When the transmission is in drive it won't come out of 1st gear. Reverse works fine, and if I manually put the transmission in 1st or 2nd it works fine. 199...

13,080 views with 24 answers (last answer 14 hours ago)
Thomas Carter

1997 Gmc Jimmy Put A New Lock Cyl In Drove Veh Starting And Stopping About ...

Cked fuel and coil good engine back llashes when u turn key off every time after cranking only back lashes when you turn key off won't even try to hit when cradling

1 view with 1 answer (last answer 14 hours ago)
James Lee

What Is Top Speed

Standard car 4 cylinder

143 views with 45 answers (last answer about a day ago)

Older GMC Models

GMC C/K 10 GMC C/K 20 GMC C/K 2500 Series
GMC C/K 30 GMC C/K 3500 Series GMC Caballero
GMC R/V 3500 Series GMC Rally Wagon GMC S-15
GMC S-15 Jimmy GMC Safari Cargo GMC Sierra
GMC Sierra 1500HD GMC Sierra C/K 1500 GMC Sierra C/K 2500
GMC Sierra C/K 3500 GMC Sierra C3 GMC Sierra Classic 2500
GMC Sierra Classic 3500 GMC Sprint GMC Syclone
GMC Typhoon GMC Vandura

GMC History

If carmakers made shoes, most would agree that GMC produces rugged workboots designed to traverse all kinds of terrain.  More than 100 years in the business would give anyone a solid sense of their identity.  Formerly known as GMC Truck, the General Motors offshoot has found its own niche by producing powerful SUV's, vans, and pickup trucks.  
When you shop for a GMC truck, expect to take your time because many models sport at least 20 trims.  Some might say the countless variations constitute overkill.  Others might say the expansive trim selection shows the engineers' creativity.  In any case, no one can say that GMC doesn't give its customers freedom of choice.
So what new frontier does GMC plan to explore next?  Although trucks and vans remain its specialty, the Detroit-based automaker has recently looked to expand into the crossover market with models such as the Acadia.  Look for GMC to diversify its portfolio for a clientele looking for some flash to match the performance.