Which bed accessories are best for a GMC Sierra 1500?

Question

just picked up my sierra 1500 and i gotta get it ready for a massive move from chicago to denver like literally by next thursday. super stressed. i looked at those bakflip covers but man they are pricey and people say they leak sometimes? then i saw some rubber bed mats on amazon that are cheap but i dont want my gear sliding all over the place during a 15 hour drive. i got about 800 bucks to spend tops for the whole bed setup. should i go for:

a cheap tri-fold cover

some kind of divider system

just a heavy duty mat

idk what actually holds up or if i should just stick to bungee cords and a prayer. what are the must have accessories that actually fit the gmc bed well?

pedyqtsswd · Accepted Answer

honestly you want the Tyger Auto T3 Soft Tri-Fold Tonneau Cover for GMC Sierra 1500 because its cheap and actually holds up. ive had zero complaints with mine even in heavy rain. pair that with a Dee Zee Heavy Duty Bed Mat for GMC Sierra 1500 and your stuff wont slide an inch. the rubber is super thick and stops boxes from shifting on the highway. both are way under your budget.

onhuqnlnpt · Answer

Unfortunately, most high-end covers I've tried were a letdown because they leak like a sieve. Total bummer when your gear gets soaked. For your trip, look at the Gator ETX Soft Tri-Fold Tonneau Cover for Sierra 1500. It's surprisingly solid. Also, skip the flimsy dividers and just get a Keeper 05059 Ratcheting Cargo Bar. It actually holds weight when you're hitting those bumps.

renesaf · Answer

^ This. Also, saw this post earlier and wanted to weigh in because honestly, the bed specs on the newer Sierras can be a headache for fitment. I have wasted a ton of money on gear that looks good on paper but fails under real stress. Last time I did a long-distance haul, I had a setup that cost me nearly a grand and it was a total letdown. The main issue was the vortex created behind the cab. At highway speeds, the pressure difference actually sucked road spray up through the gaps around the tailgate, not the top. I learned the hard way that even a waterproof cover is useless if you dont address the air pressure and drainage channels. My gear was soaked because I ignored the technical tolerances of the tailgate seal. Here are a few things to keep in mind for that 15-hour drive:

Check the seal thickness at the bulkhead. Many covers use a generic seal that doesnt actually compress enough against the Sierras specific rail height, leading to massive whistling and leaks.

Look at the hinge material. Plastic hinges on those cheap covers often stress-fracture when they vibrate for 15 hours straight. If the hinge fails at 70mph, you are in trouble.

Friction is your enemy. A basic rubber mat is fine for grip, but if it isnt heavy enough or secured, the wind can actually get under it and cause it to flap against your furniture. Its disappointing how much pro gear is just rebranded junk that doesnt account for actual physics. Focus on the seals and physical weight distribution rather than just the price tag.