Every roof rack system that fits the 2021 GMC Sierra HD, from Thule and Yakima, plus older racks that still fit. This Sierra HD comes with bare roof.
- Roof types: Bare roof
- Rack systems listed: 3 across 2 brands
- Crossbar lengths: 59" to 59" depending on system
- Max rack load: up to 165 lb (always stay under your vehicle's roof limit)
2021 Sierra HD with bare roof
| Brand | System | Fit kit | Max load (lb) | Shop |
|---|---|---|---|---|
| Thule | Thule Evo Clamp | Kit 145071 | 165 | Thule WingBar Evo 150 Thule Covers w/Locks & Keys for EVO… |
| Yakima | Yakima BaseLine FX | Front: BaseClip 197 (B32-4); Rear: BaseClip 124 (B33-5) | Yakima BaseClip 197 Yakima BaseClips 124 | |
| Yakima | Yakima BaseLine Towers | Front: BaseClip 197 (B32-4); Rear: BaseClip 124 (B33-5) | Yakima BaseClip 197 Yakima BaseClips 124 Yakima BaseLine Towers |
Parts that fit your 2021 Sierra HD
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Thule WingBar Evo 150 (60″) – Black (2-Pack)
$279.95 Add to cart -
Thule WingBar Evo 150 (60″) – Silver (2-Pack)
$279.95 Add to cart -
Thule Covers w/Locks & Keys for EVO Clamp Towers – set of 4
$69.98 Add to cart -
Yakima BaseClips 124 – One Pair
$75.00 Add to cart -
Yakima BaseClip 197 (B32-4)
$75.00 Add to cart -
Yakima BaseLine Towers – (Set of 4)
$275.00 Add to cart -
Yakima BaseLine Towers – (Set of 2)
$155.00 Add to cart
Camper shell or truck cap on your Sierra HD?
The fits above mount to the cab. With a camper shell, mount the rack to the shell instead. There are two common ways:
Option 1: Add tracks to the shell
Bolt tracks to the top of the shell, then clamp towers into them (Yakima SkyLine with Landing Pad 1, or Rhino-Rack RLT600). Strongest option and the easiest to adjust bar spread.
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Truck Cap Track Roof Rack Kit – Yakima SkyLine + Landing Pad 1 + 52″ PRO Aero Bars
$499.00 Add to cart -
Camper Shell Roof Rack Kit – Rhino-Rack RLT600 + 52″ PRO Aero Bars
$399.00 Add to cart -
Sale!
Yakima Complete Roof Rack Kit for Camper Shell/Roof Tracks – Towers, Landing Pads and Round Bars
Price range: $349.00 through $369.00 Select options This product has multiple variants. The options may be chosen on the product page -
Yakima Tracks 42” with PlusNuts
$179.00 Add to cart -
Yakima 60” HD Track w/CapNuts
$219.00 Add to cart -
Yakima SkyLine Towers – (Set of 4)
$275.00 Add to cart -
Yakima Landing Pad 1
$75.00 Add to cart -
Sale!
Set of 4 Yakima Control Tower + 4x Landing Pad #1 (for tracks)
Original price was: $299.00.$239.95Current price is: $239.95. Add to cart -
Sale!
Thule Fit Kit 3113 – Camper Shell Fixed Mounts
Original price was: $159.95.$99.00Current price is: $99.00. Add to cart -
Yakima Tracks 54” with CapNuts
$159.00 Read more
Option 2: Add artificial rain gutters
Rain-gutter strips attach to the shell's sides, then gutter-style towers clamp on (Thule Rapid Gutter or Yakima 1A). No tracks on the roof, and a good fit for shells without a flat top.
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Thule Artificial Rain Gutters 542
$99.95 Add to cart -
Thule Rapid Gutter Low – foot for raingutters (4-pack)
$279.95 Add to cart -
Thule Rapid Gutter High – (Set of 4) Black
$299.95 Add to cart -
Thule Rapid Gutter Super High foot for rain gutters 4-pack black
$319.95 Add to cart -
Yakima 1A Raingutter Towers (Set of Four)
$229.00 Add to cart
Buy used
Looking for a deal? Check Rack Trader for used racks and parts that fit the Sierra HD.
Other Sierra HD years
Fit info is compiled from Thule, Yakima and Rhino-Rack data. Always confirm against the manufacturer's install instructions and your vehicle's roof load limit.