r/gmcsierra is a subreddit with 58k members. The community frequently discusses sierra, gmc, looking for a, at4, and truck, and they frequently recommend/review tire recommendations, bed cover, and tire, and the most common flair used is looking for advice, 🔧maintenance 🔧, asking for opinions, troubleshooting, and ✨new truck!✨.
A community for all things related to GMC Sierra trucks.
Popular Topics in r/gmcsierra
#1
Sierra
74 posts
#2
Gmc
59 posts
#3
Looking For A
25 posts
#4
At4
21 posts
#5
Truck
15 posts
#6
Denali
15 posts
#7
Engine
14 posts
#8
Noise
14 posts
#9
Annoying
11 posts
#10
1500
10 posts
Products Discussed in r/gmcsierra
Tire Recommendations
41 reviews
#1
Nitto
4.5★ from 6 reviews
#2
Falken
4.2★ from 5 reviews
#3
Cooper
4.6★ from 5 reviews
Bed Cover
26 reviews
#1
Diamondback
5.0★ from 4 reviews
#2
BakFlip
4.0★ from 3 reviews
#3
BAK
4.7★ from 3 reviews
Tire
23 reviews
#1
Michelin
4.7★ from 3 reviews
#2
Nitto
5.0★ from 3 reviews
#3
Cooper
4.3★ from 3 reviews
Flair Used in r/gmcsierra
#1
Looking for advice
: "360 camera view"
35 posts
#2
🔧Maintenance 🔧
: "Post break-in oil change"
22 posts
#3
Asking for Opinions
: "Another post about the New 2027"
20 posts
#4
Troubleshooting
: "Radio loading bar"
20 posts
#5
✨New Truck!✨
: "First truck! 2026 Sierra Denali in Downpour Metallic"
18 posts
#6
Just Sharing
: "Crossed 180,000 on my 2021 AT4"
17 posts
#7
Modifications
: "Yay or Nay"
15 posts
#8
🔧Steering/ Suspension 🔧
: "New shoes! Finally leveled!"
9 posts
#9
Choosing a Truck
: "Is the AT4X worth the $ over the ATX?"
9 posts
#10
Interior
: "What is cool that can go in this spot behind the screen?"
8 posts
Member Growth in r/gmcsierra
Yearly
+15k members(35.4%)
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About
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Last updated: September 1, 2026