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Chevy and GMC trucks get CNG option pricing

Chevrolet and GMC have clued us in to pricing of the bi-fuel option for the 2015 Silverado and Sierra 2500HD CNG and 3500HD CNG pickups: it starts at $9,500; we're still missing the rest of the pricing inferred by the word "starts," however. If you remember from the Chicago Auto Show introduction, the 6.0-liter V8 puts out 360 horsepower and 380 pound-feet of torque when drinking gas, 301 hp and 333 lb-ft when inhaling CNG.
Chevrolet figures that a bi-fuel Silverado HD is worth $2,000 in savings if driven 19,500 miles on CNG and 7,500 miles on gasoline in the span of a year, a recoup rate easily attainable to high-mileage fleet owners. It can be specced on double- and crew-cab pickups with single rear wheels, not on dualies.
The 2015 Chevrolet Express and GMC Savana short-wheelbase passenger and cargo vans also get CNG options, starting at $10,825 for the three-tank system, and $12,090 for the four-tank system that can only be had on the cargo hauler. You'll find a bit more info on all of the permutations in the press release below.

'Killing a Duramax' Gale Banks YouTube series methodically tunes a diesel to death

Learning or perfecting a skill by watching YouTube videos is known as attending YouTube University. GM Authority picked up on one of the video site's more fascinating courses, hosted by Gale Banks; in a fair world, he should be referred to as Professor Banks when it comes to diesel engines and truck tuning. A few months after GM introduced the updated L5P 6.6-liter Duramax diesel V8 in the 2020 Chevrolet Silverado HD and GMC Sierra HD that ships with 454 horsepower and 910 pound-feet of torque, Banks decided he wanted to methodically tune the engine to death. The purpose of the resulting series, called "Killing a Duramax," is to push more power out of the engine in order to discover which parts break and when — or, as Banks puts it, force-feed the Duramax "until the crank hits the street and the heads hit the hood." With that knowledge, Banks can figure out all the weak points on his way to building what he calls a "Superturbo," that being a supercharged, twin-turbo race engine with more than 1,000 hp. What makes the series fascinating is Banks' knowledge, paired with the company's comprehensive iDash engine monitoring system that keeps tabs on a glut of parameters every step of the way. So for instance, you get Banks explaining the differences between inches of mercury and barometric pressure, how those are different from the water content of the air measured in grains, then showing those readouts on the iDash, then explaining in detail how they affect the air density in the Duramax system. The stock Borg-Warner variable turbo gets a lot of airtime — Banks accuses it of being "out to lunch" because he feels it's the weakest link on the engine. That turns into a turbo teardown and a deep explanation of performance pitfalls, such as when air pressure on the turbine begins to diverge from the boost pressure coming from the compressor. Banks says he can keep close tabs on where power's coming from, because the iDash monitors the horsepower contribution provided by the ambient air, the turbo, and the intercooler separately. The major changes so far are a stouter Precision 7675 turbo and TurboSmart wastegate (episode 5), a twin intake (episode 6), a custom liquid-cooled intercooler from a marine engine, a new GM oil cooler and synthetic oil (episode 10), and new injectors (episode 11).

2024 GMC Hummer EV pickup gets a price hike - with a catch

Watching auto industry MSRPs move around is like watching the Vegas big board for odds, the numbers almost always going against the folks laying down the money. In yet another sign of the times, a few trims of the 2024 GMC Hummer EV SUT — that's the pickup — are seeing additional price increases. A little more than a year ago, GMC increased prices by $6,250 for the EV2, EV2X, and EV3X trims due to the rising costs of parts. Those joining the lengthy reservation list also found the automaker also increased the destination charge from $1,995 to $2,295. The 2024 Hummer EV configurator doesn't list the EV2 yet, so its $86,245 suggested sticker price may yet hold up. The MSRPs for the rest, and their changes from the most recent pricing, are: EV2X: $98,845 ($1,600) EV3X: $106,945 ($700) EV3X Omega Edition: $150,295 ($300)  Taking a longer view back to December 2021 reveals just how far the bar has moved. At that time, the EV2 was predicted to cost $79,995, the EV2X was going to go for $89,995, and the EV3X for $99,995. The 2024 Hummer EV3X now costs more than the 2022 Hummer EV Edition 1, which started at $112,595 after destination. The Edition 1 came with the 24-module extended-range Ultium battery pack that's now a $9,995 option on the EV3X; the price above is for a 20-module pack, one of the new features for 2024. The EV3X Omega Edition and its Neptune Blue paint not only blows everything else out of the water price-wise, its feature set could make even Edition 1 buyers blue with either sadness or envy.   The good news? GMC is offering discounts for early reservations. Per the GMC configurator, at the moment, buyers who reserve an EV2X will get an $8,150 instant discount, buyers wanting an EV3X will get a $6,250 discount. These effectively wipe out the new price rises and last year's price increases, taking the 2X down to $90,695 and the EV3X down to $100,695. The savings could be enticements to get people in the reservation line. With tens of thousands of reservations already in the books and threads on forums like Hummerchat wondering if anyone's seen the EV2X trim that was due earlier this year, it might be a while yet before an order turns into a Hummer EV.  Related Video This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.