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Where the 2023 GMC Sierra AT4X fits into the hierarchy of off-road trucks

The world of off-road pickups sure seems like it's getting crowded, but the reality is that half-ton trucks were always pretty capable, even with what seemed like fairly basic 4x4 packages. It wasn't until recently that manufacturers really started to carve out different off-road niches for their mainstream pickup offerings. With the introduction of the 2022 GMC Sierra 1500 AT4X (alongside its mechanical twin, the Chevy Silverado ZR2), the crowd has grown even thicker. Even we have trouble keeping up with the increased segmentation of off-road pickup trucks, so we threw together this handy guide to help you understand just where these various packages fit into the broader pickup hierarchy. Let's dive in.  Your basics If we say "Z71" or "FX4" to you, both will probably ring a bell. That's because they've been around a few days short of forever and their respective customers have grown so used to these package codes that OEMs got into the habit of just plastering them on the side of so-equipped truck beds. Anybody who sells a pickup truck offers some sort of basic off-road prep package like this one. Z71 is found on GM vehicles; FX4 is Ford's. Ram just calls it "Off Road Group," but no matter what you call them, they're all pretty similar.  Typical upgrades for this category include some additional ground clearance, a basic all-terrain tire, heavy-duty suspension upgrades and likely either a limited-slip or locking rear differential. These are pretty handy for anything beyond a rutted dirt road. On newer trucks — especially on higher trim levels — you'll probably also get some dedicated off-road drive modes.  Mid-range This is where things start to get interesting. To qualify for this category, a locking rear differential is a must. Most of the names in this segment are well-established too, though some (Nissan Titan Pro-4X, anyone?) may not necessarily be on your radar. The Toyota Tundra TRD Pro checks in here, as does the Ram Rebel, Chevy Silverado Trail Boss and GMC Sierra AT4 (no X!).  Realistically, if there's somewhere you need to go and one of these trucks won't do it, you might want to consider a helicopter. But it's 2021, and our thirst for capability is strong, so of course, there's a way to spend more of your money on this type of thing. Onward! Entry-hardcore Here we are, the home of the new 2022 GMC Sierra AT4X and Chevrolet Silverado ZR2. This is a tiny niche, otherwise occupied only by the Ford F-150 Tremor.

Maxwell RHEV Prototype First Drive Review | More than meets the eye

The Maxwell RHEV looks just like any small business' panel van, sporting large vinyl graphics and unassuming steel wheels. You'd have no idea that the co-founders of the startup based out of Seattle had grafted a salvaged Voltec powertrain from a junkyard Chevy Volt into this Ram ProMaster. Somewhere, a battery pack lurks. Maxwell's co-founders, CEO Max Pfeiffer and engineer Trey Camp, open the cargo area to reveal a completely unaltered space. Both are ex-Tesla employees with a long fascination for the #vanlife movement – that their interests intersected in a hybrid cargo van isn't surprising once you start talking to them. This is their first vehicle, a salvaged ProMaster sidelined with a blown 3.6-liter Pentastar, and it's both their prototype and the only Maxwell in existence right now. That said, the company is building a low-roof version for a customer, which will be lighter, have less aero drag and therefore be more efficient. The company is just emerging from a stealth startup mode, and while their backstory is fascinating, I'm still wondering where the Volt's 18.4 kWh battery pack is. "There's nothing in the back ... we're able to get the battery underneath the floor, in the center," Pfeiffer says. Ducking my head under the side reveals, sure enough, a little underside blister that contains the battery, tucked up neatly. The other changes to the RHEV – short for Range-extended Hybrid Electric Vehicle – are minimal. He pops the hood. There are some rough edges, but the 1.5-liter, 101-horsepower engine and 48-kW motor fit comfortably on custom engine mounts and with re-routed exhaust, behind a fascia that improves aero and houses the charge port. Custom axles send power to unaltered Ram hubs and brakes. "This version, it's a little bit prototype-y," Pfeiffer says. "We've had more time to work with the CAD [computer-aided design, engineering drawings] we were able to get from GM and Chrysler, and we've done a better job packaging for production." GM already spent billions on the Voltec and its controlling software, and Maxwell can happily ride those coattails. Despite the help GM has lent Maxwell, there are no official ties. An emulator sends spoofed signals to the Ram instruments, which have a new custom-printed face. The Ram's body control module is left alone. For powertrain faults, Maxwell says the vehicle can theoretically be serviced by any Chevy dealer, and any issue with the rest of the vehicle can be handled by a Ram service shop.

2019 Ram 1500 finally revealed | All new, from headlights to hybrid system

Few categories are as hotly contested as the full-size truck segment. The passion from both automakers and loyal truck owners is fierce. See any number of Calvin window decals for example. Well, a new Ram 1500 is finally here, and it's lighter, stronger and better equipped than ever before to take on the Ford F-150 and the Chevy Silverado. In addition to new styling and a hugely versatile interior, both the V6 and V8 Ram 1500 are available with a 48-volt mild-hybrid system. Despite looking similar to the current Ram, this isn't merely an update. The truck is all new inside and out, improving on what worked and fixing what was aging. Overall weight is down 225 pounds, with 120 of those coming from the chassis and frame. And 98 percent of the frame is made from high-strength steel, with aluminum making up a small amount in parts like the transmission crossmember and engine mounts. The Ram 1500 also gets an aluminum hood and tailgate. The weight may be down, but the 2019 Ram 1500 is longer and wider than before. The bed height, too, has increased. Visually, it's difficult to notice the increased size. The overall design is an evolution of what Ram has offered for decades. The most obvious change is the lack of a crosshair grille, a staple since 1994. The new "RAM" grille started as an option but now carries over to every single model. It's not going to be popular with everyone, but we're sure Mopar or some other parts supplier can fill your t-shaped void. The drop fender that also debuted on the '94 Ram has been lifted, giving the front a far more upright face. There are two different headlight designs, depending on the trim and options. The top-tier LED units are wide and slim, while the standard lighting looks similar to what we have now. The front bumper can be chrome or paint, while the chrome accents carry around to parts like the new 1500 badge on the hood. Tow hooks are lower and further apart than before, while the parking sensors have been better integrated into the design. Like the headlights, the taillights are an evolution of the current shape. Both halogen and LED units are available. The full-width steel rear bumper can be had in either chrome or body color. As for paint, there are 12 colors in total, with three two-tone variants. If that's not enough variety, there are 16 new (six-lug!) wheel designs to choose from, ranging from 18 to 22 inches. View 160 Photos Inside, the 2019 Ram 1500 is more refined and practical than ever before.