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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.

Ford running short of F-150 frames

Like most any automaker, Ford is eager to build as many F-150 pickups as it can sell. And considering that the truck has long stood as the top selling vehicle in the United States, that means building (and selling) a lot of them. Further, Ford reports that its factories are finally fully up to speed and ready to build as many F-150s as dealers can sell. Unfortunately another factor is reportedly preventing the new aluminum-bodied pickup from reaching its potential. According to Automotive News and as we've heard before, the Blue Oval automaker has had trouble getting its hands on as many frames as it needs. Though Ford would not confirm the shortage itself, AN cites union sources in reporting that the Metalsa plant in Kentucky, which produces the new F-150's frame for Ford, has been unable to meet the demand for more such frames. "Whenever you have launches, you have issues that you have to deal with in the supply base," is all Ford CFO Bob Shanks would admit. "We're always working closely with suppliers if there's an issue to sort it out. If that were the case, that's what we'd be doing." The reported supply shortage could be why plans for overtime production are reportedly being canceled at both the plants in Kansas City and Dearborn where the F-150s are assembled, despite reaching or nearing full capacity. The shortage could also help explain why, according to AN, sales of the F-Series in the United States fell nearly 10 percent last month, while the rest of the pickup market rose 17 percent. Related Video:

280-bhp Elemental RP1 revealed, now with bike-engine option

The Elemental RP1 might be Britain's next big boutique roadster success story. Designed by a team with Formula One experience, it aims to mix road car drivability with racecar performance in a single, adaptable package weighing less than 1,000 pounds. It was first previewed a few weeks ago, but the secrecy has finally disappeared due to its upcoming debut at the Goodwood Festival of Speed. The backbone of the RP1 is a carbon fiber and aluminum tub onto which the front and rear subframes bolt on. Inside, it has an F1-like, feet-up driving position that allows for additional underfloor aerodynamic aids to improve downforce. Despite its hardcore nature, Elemental says that it wants the car to be very user friendly. Buyers should be able to drive the RP1 to the track, adjust it with some wrenches, go racing and drive it home. The company even claims the storage areas to either side of the engine offer enough room for a helmet and other racing gear. Hopefully, buyers don't crash, though, otherwise they might be stuck. Elemental is adding two more engine options for the RP1, as well. In addition to the previously announced tuned Ford 2.0-liter EcoBoost with 280 horsepower, buyers can also choose a upgraded version of Ford's three-cylinder 1.0-liter EcoBoost or a model aimed at pure track use with a 999cc Honda Fireblade motorcycle engine. The 2.0-liter uses a six-speed sequential manual gearbox, and a limited-slip differential and alternate gear sets are available as additional options. The first RP1s built will be pure racers for the 2015 season, and the first road cars will follow in the early summer of next year. Pricing isn't set yet, but scroll down for more details and full specs of Britain's latest feather light car for road and track. Introducing the Elemental Rp1 Press Release: 23/6/2014 British sports car manufacturer, Elemental Motor Company Limited, today released further details of their new and innovative, road legal track car, the Rp1. The Rp1 is an open top, road legal, mid engined sports car that incorporates state of the art road and race car technologies. Designed, Engineered and Built by a team with decades of experience in the Formula One and Supercar industries, it brings the concept of a road legal track car firmly into the 21st Century. The Rp1 will be revealed to the public for the first time, this weekend, at the 2014 Goodwood Festival of Speed, where it will located in the Moving Motor Show tent "First Glance" display.