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Yes, that's right. On previous generations, the tank was larger. Silverado has it easier. There is an enlarged tank of up to 40 and even up to 45 gallons of the Titan company. But I haven't found such a tank in the Yukon
Ford and RAM had 36 gallon factory tank options for the 1/2 ton trucks but I'm not seeing them listed on their "build and price" tools anymore. As far as larger aftermarket tanks for the gas versions the searching I do online usually turns up in a dead end and I saw something on another forum or one of the manufacturers of such tanks (can't remember) stating that due to tightening regulations its almost impossible to make an aftermarket tank for the gas models that comply with government regulations.
In the USA, they changed the legislation and prohibited the installation of non-standard tanks of larger volume? Yes, I noticed that larger tanks are only available for diesel cars.
No, we have the ability to order any options
I regularly can go 475-500 miles in my Denali XL on the highway. At 19MPG, the 28 gallons will take you 532 miles if you go to the limit. I can easily get 19 on the highway. My City MPG is around 15.5-16; that yields a range of 434. If I drive all city, I usually go 325-375 miles and squeeze in 20-21 gallons.
I drive fast on the highway. With a speed of about 105-110 mph and I have a fuel consumption of 11 mpg. So the range on one tank is less than 300 miles
You can drive that fast on Russian roads?!
Ok, fair point, but guessing the OP isn’t driving at a constant 110-115 MPH. And no US car maker sizes the fuel tank for continuous operation at those speeds.
Yes, we have such an opportunity. Here, for example, is a photo from my last trip. I drove at night in the mode of 160-170 kmh, for 1100 km
Why is it not calculated? Who said that? Where is it written? I have a lot of such trips, in this mode. For example, I went in March 2024. The average speed is 155 km/h, which is equal to 97 mph, for more than 4 hours.
Because, the majority of these vehicles are sold in USA, and speed limits are set between 60 and 80 MPH, and I think only South Dakota has 80. So GM shoots for the “target market” range of around 350 miles..they have to trade off the required CAFE fuel economy requirements (weight) with the design objectives, and I am certain that GM did not design this vehicle for meeting 350 mile range at 110 MPH…it just isn’t the design point for the big market of the US…
Wait, he strives and is not a maker. These are two different meanings))) it is clear that the Yukon has the most economical speed of 55-60 miles per hour. At this speed, it can travel about 800 miles on a single tank. But it has no problem driving for hours at 105-110 miles per hour, without any problems. It does not overheat, its parts do not fall off. It just drives and that's it) but you can't fool physics, drive fast in any car, get ready to refuel often))) and with a tank of 28 gallons, it turns out that the tank is enough for 2.5 hours of driving. This means that almost every 1.5-2 hours you need to stop at a gas station. And if for pickups there are tanks of increased size up to 60 gallons, then for the gasoline Yukon there is no such thing. Even the tank from the previous XL 120 liters would be a little better than the current 28 galons))
Idaho, Montana, Nevada, Oklahoma, South Dakota, Texas, Utah, and Wyoming all have 80mph speed limits.
the good part about running mining her at those speeds is it probably keeps the Dynamic Fuel Management from turning off any cylinders!!
Yes, DFM deactivated)))
In the overlanding world there is a company that makes a large tank that fits where the factory spare tie lives. You remove the spare, the tank is shaped like the tire to fit in its place. You use the lowering cable and hook to raise the new tank up into place. I saw it on a video but I have not had the time to research it. try a search for overland fuel tank, or maybe oversize fuel tank.
