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National Geographic Channel balances Ford F-150 on four coffee mugs

Proving that there is still something to be learned on television these days, National Geographic Channel recently introduced a new series called Duck Quacks Don't Echo. On the first episode of this science/comedy show, host Michael Ian Black proposes the idea that a truck can be supported with a ceramic coffee mug under each wheel - yes, he says that the entire weight of a truck can be balanced on just four coffee mugs.
Looking to find out whether this is fact or myth, the show uses a regular cab Ford F-150, weighing in at 4,800 pounds, and four average coffee mugs. Lowered onto the mugs, the idea is quickly put to the test. Can the cups hold up under 4,800 pounds? If so, what, exactly, would it take to break them? Scroll down below to find out.

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.

Seinfeld's Porsches, '61 Ferrari lead the way at Gooding Amelia Island sale

If you're in the market for a sports car with celebrity provenance or just an incredibly well-preserved high-performance machine, then you'll want to check out Gooding & Company's Amelia Island auction in Florida on March 11. The highlight of the sale is likely 18 cars, mostly Porsches, from Jerry Seinfeld's collection, but there's more to see than just the comedian's sporting metal. While several of Seinfeld's cars carry auction estimates in the millions, they aren't the most valuable at the sale. That honor falls on a 1961 Ferrari 250 GT SWB California Spider, which could sell for between $15 million and $17 million. This one is among the 37 examples with covered headlights, and it has some theatrical provenance after appearing in the Sophia Loren film Yesterday, Today, Tomorrow. If your tastes skew more American, then one of 31 Ford GT40 MKI road cars is also among the lots. Gooding expects the rare coupe to sell for between $3.2 million and $3.6 million. Ford originally used this GT40 for dealer promotions, but it eventually fell into private hands. Even today, its multiple owners have only covered around 3,200 miles in it. Gooding also expects a 1931 Duesenberg Model J Disappearing-Top Convertible Coupe with a body by Murphy to bring $2.5 million to $3 million. The auction house claims this might be the "most original" example left because of a history of owners who kept it for long periods – and the vehicle never needed a complete restoration. Some lots carry more attainable estimates like $35,000 for a 1962 MGA. You can check out all the listings on Gooding's online catalog and some of the highlights in the gallery above. You've probably read the news about Seinfeld's Porsches, but here's a refresher: The collection includes amazing cars like a 550 Spyder, 917/30 Can-Am Spyder, and a 718 RSK. Related Video: