Can the New 2020 GMC Sierra 1500 AT4 Diesel Conquer Mud & Rocks?

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Comments • 549

  • Daniel Vandiver
    Daniel Vandiver  1 weeks back

    Good lord it’s hard to watch people throw bricks at a brand new $70,000 truck. Any truck can run through a water filled ditch. Trashing a new truck proves nothing. I wish these manufacturers would find more meaningful ways to test their vehicles.

    • Mark X
      Mark X  3 weeks back

      Impressive off road considering the lwb

      • that dude
        that dude  3 weeks back

        The locker isn't it the same thing that comes in the regular Chevy /gmc truck?

        • steve ross
          steve ross  1 months back

          With bigger tires and shocks should be good

          • Jerrod Corey
            Jerrod Corey  1 months back

            HELLO GM YOU LISTENING . . . . .
            WE WANT FRONT AND REAR LOCKERS . . . . . ON ALL OFF ROAD FOCUSED MODELS. I'm fine with just a rear Locker on the regular 4x4s but on an off-road Focused truck like the AT4 you better put them on the front and the rear otherwise what's the point.

            • Jerrod Corey
              Jerrod Corey  1 months back

              5:30 . . . . Tell me they didnt directly COPY the Ford Raptor wheels!!!!!

              • ajmccg
                ajmccg  1 months back

                Lockers front and rear would help on the rocks and if you are going say "will it conquer mud?", try putting it through some real mud and not just a puddle!

                • Graham Burnsed
                  Graham Burnsed  1 months back

                  lol got stuck on the way up

                  • Henry Gonzalez
                    Henry Gonzalez  1 months back

                    I really want this truck it’s the best of everything!

                    I just think it’s cool GM is putting inline six’s in trucks again

                    • Eric Buchta
                      Eric Buchta  1 months back

                      Gas 6.2 truck torque is way off and over rated!!!
                      I hope the baby duramax is rated properly.
                      I am in the new L5P and this is way way faster then my 2018 6.2L omg they did it right
                      Thanks GM!!!

                      • Kevin Swanson
                        Kevin Swanson  2 months back

                        winter in Canada will kill that box

                        • Brian Rocha
                          Brian Rocha  2 months back

                          dude, why are they talking about the design? its been out for a year now. let's talk about the Duramax

                          • Baron Smith
                            Baron Smith  2 months back

                            Lost me when they designed them so you have to remove the trans to change the fuel pump belt.

                            • Michael Minniear
                              Michael Minniear  3 months back

                              Not a fan of the Sierra but I like it in at4 trim. Much better then the lame Trailboss.

                              • Michael B.A
                                Michael B.A  3 months back

                                MPG ????.??.?.

                                • Dirt Beard
                                  Dirt Beard  3 months back

                                  I guess you could use it to tow a real offroad vehicle to the trails

                                  • juanram2007
                                    juanram2007  3 months back

                                    neeeeh...previous design seems much more honest...

                                    • Michael
                                      Michael  3 months back

                                      It didn't look like the G80 locker was working. GM needs to go to an electronic locker, and ditch the one from the 1970s.

                                      Looks like at 4:03, they should have made it a 3" lift with rock rails instead of a 2" lift without rock rails. Then it hits again at 4:10. I give GMC credit for making a challenging rock hill. The truck barely makes it up the hill.

                                      • jeremiah parrott
                                        jeremiah parrott  3 months back

                                        Love the fact they went w the l6 that’s awesome lovin this truck

                                        • Kelly Fontes
                                          Kelly Fontes  4 months back

                                          Yep, the Ford diesel.. you could of got 5 years ago from Land Rover. Ford guys keep arguing this.

                                          • MongolK1Ng L0G1C
                                            MongolK1Ng L0G1C  4 months back

                                            The truck is looking too fat.😅😄😄😅😆😆😅😅😅

                                            • LD ODOM
                                              LD ODOM  4 months back

                                              Third time watching this review, Roman.

                                              • Outdoors N DIY
                                                Outdoors N DIY  4 months back

                                                How is it at towing?

                                                • B Martin
                                                  B Martin  4 months back

                                                  Thanks for the awesome off road, daily, work truck and Chevy/GMC content video, I love my 2010 Sierra Crew Cab SLT (I’ve had for 6+ years, 90 of 160k miles) and look forward to buying a NEW AT4 1500 or 2500 in a couple years but still not sure on which. I’m thinking Duramax 2500; but for as little as I tow my little show truck bagged S10, I’m still thinking 2500 at the moment. I’ll see what the 2021/2022 has and then I will know. I just hope Chevy/GMC keeps the 1500 Diesel for my options later on. Thanks TFL truck, love the videos. All you guys are awesome and I hope the more words I type help you out, lol. Thanks again. Love the Hummer H2, Land Rover, Toureg stuff and more, too. So many cool trucks and SUV’s all the time, I need a bigger garage and driveway. You guys are the best.

                                                  • bobfishnut
                                                    bobfishnut  2 months back

                                                    You're going to be better off with the Duramax 2500HD

                                                • Frommy63YT
                                                  Frommy63YT  4 months back

                                                  You should try a Chevy Trail Boss and a GMC Sierra off-road comparison.

                                                  • Zraupp10
                                                    Zraupp10  4 months back

                                                    If I win the lottery, I'll might buy me AT4
                                                    Always liked the all terrain trim

                                                    • Jerry Miller
                                                      Jerry Miller  2 months back

                                                      @Zraupp10 maybe! My dads always said you win the lottery by working, he's one the last few to achieve the american dream. He came to this country at a young age, with nothing but the cloths on his back and a dream. He's a successful buisness owner now. Has everthing the amercian dream consists of. I aspire to be like my dad someday. Thats why he says you win the lottery by working. But hell, i wouldnt mind winning either!!

                                                    • Zraupp10
                                                      Zraupp10  2 months back

                                                      @Jerry Miller bonus

                                                    • Jerry Miller
                                                      Jerry Miller  2 months back

                                                      @Zraupp10 then what is it buddy?

                                                    • Zraupp10
                                                      Zraupp10  2 months back

                                                      @Jerry Miller lottery isn't a hand out silly

                                                    • Jerry Miller
                                                      Jerry Miller  2 months back

                                                      You win the lottery by working, stop waiting for a handout.

                                                  • chas f
                                                    chas f  4 months back

                                                    LOL get a Subaru your front wheels would have locked LOL Because like any other truck you could see your one back wheel and one front was spinning

                                                    • Chanasorn Onnom
                                                      Chanasorn Onnom  4 months back

                                                      Too bad that Thailand doesn't have sales.

                                                      • Murray Moore
                                                        Murray Moore  4 months back

                                                        I'm gmc fan but why do we let an aussie tell us about a truck?

                                                        • UnsulliedSpy
                                                          UnsulliedSpy  4 months back

                                                          A GMC is just a Chevy that's had all of the bolts tightened.

                                                          • Michael King
                                                            Michael King  4 months back

                                                            It would be nice to see a Torsen style front limited slip like the Raptor has. Even the Tremor is getting a limited slip in the front as it should. I also like that GM hasn't went to the huge screen display on the dash. The Dodge has that and it just looks stupid to me. If I'm not going to watch movies on it I only want the screen big enough to do the job and not look like an I-Pad got stuck to the center stack.

                                                            • Mayhem Mike
                                                              Mayhem Mike  4 months back

                                                              🙄Cant wait till John Hennessey gets his hands on THIS one....

                                                              • Juan Zepeda
                                                                Juan Zepeda  4 months back

                                                                They’re just backwards ford lights

                                                                • bigblocklawyer
                                                                  bigblocklawyer  4 months back

                                                                  Should be called AT3.

                                                                  • blake garner
                                                                    blake garner  4 months back

                                                                    Put this engine in the ZR2!

                                                                    • GSR PATROL UNIT
                                                                      GSR PATROL UNIT  4 months back

                                                                      What makes it special is that after 70k mi you figure out that you should have purchased a Tacoma.

                                                                      • artiaga1547
                                                                        artiaga1547  4 months back

                                                                        You must be joking or smoking!! we're talking power here son! We're not talking about Power Wheels!!😂😂

                                                                    • Thomas Wallingsford
                                                                      Thomas Wallingsford  4 months back

                                                                      My Z71 4w low was much better than this showed going up the rocks.

                                                                      • ZmannR2
                                                                        ZmannR2  4 months back

                                                                        8:58 holy shit!!!! I was waiting for that glass to break!

                                                                        • tmwall25
                                                                          tmwall25  4 months back

                                                                          pitch and roll angles roman - cmon!!!

                                                                          • Edwin Padilla
                                                                            Edwin Padilla  5 months back

                                                                            That mans face, when his creation is refer as a glorified trail boss, “...is just a little prettier” priceless 😹😹😹😹🙌
                                                                            The only thing I like about gmc truck is the suspension and the tail gate, other than that the trail boss has the better meaner/faster appearance.
                                                                            Luxury more electronics=more expensive stuff to break and fix.
                                                                            The best off-road truck to buy at 62k, hands down is the ford raptor, but the towing and fuel economy sucks. for 43k for sure you get a lot more truck with a trail boss vs a gladiator that goes for the same price.
                                                                            If I was to change anything about the trail boss is Kings shocks vs rancho, Mickey Thompson’s atz p3s, would add Fab Four front bumper, and the entire sliding down back window, similar to H3 hummer SUT.

                                                                            • Adrenalin Owner
                                                                              Adrenalin Owner  5 months back

                                                                              The 90’s 6.5Turbo Diesels were okay, I think the power numbers should be close

                                                                              • Adrenalin Owner
                                                                                Adrenalin Owner  5 months back

                                                                                Looks like it needs a front Locker

                                                                                • avenger007007
                                                                                  avenger007007  5 months back

                                                                                  I would still take the Power Wagon.

                                                                                  • artiaga1547
                                                                                    artiaga1547  4 months back

                                                                                    But you just enjoy watching GMC truck videos right!!

                                                                                • romeshter
                                                                                  romeshter  5 months back

                                                                                  What a lame truck, can't climb a man made rock hill? What will it do in the real world? I can't believe they actually published this! LMAO

                                                                                  • Konqueror 1
                                                                                    Konqueror 1  5 months back

                                                                                    They need to include two more HD cameras, possibly with night vision capability, near the front fenders as well as one more on the skid plate with a self-wash function.

                                                                                    • B C
                                                                                      B C  5 months back

                                                                                      $70+k 1/2 ton truck...No thank you...lol

                                                                                      • Neder0907
                                                                                        Neder0907  5 months back

                                                                                        Looks like an f150

                                                                                        • Wing Eater
                                                                                          Wing Eater  5 months back

                                                                                          This GMC guy seems like he's kind of a dick.