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GM reportedly developing 2.5-liter turbo four-cylinder

General Motors is allocating a massive amount of resources to developing electric technology, but it's not forgetting about the gasoline-powered cars that make up the bulk of its sales. It's reportedly designing a new 2.5-liter turbocharged four-cylinder engine based on its 2.7. Citing "sources familiar with the matter," enthusiast website GM Authority wrote that the 2.5-liter four is "in [the] final stages of development," meaning it should be announced sooner rather than later (assuming the report is accurate). Technical details are few and far between as of writing. The publication learned that the 2.5 will be part of the Cylinder Set Strategy (CSS) family of engines and that it will be mechanically related to the 2.7-liter currently found in the Chevrolet Silverado 1500, among several other models. It will feature dual overhead camshafts. It's too early to tell which models the 2.5-liter four-cylinder will end up in, or how much power it will generate. The output will likely depend on the application. For context, the 2.7 delivers 310 horsepower at 5,600 rpm and 348 pound-feet of torque between 1,500 and 4,000 rpm in the Silverado. In the smaller Colorado, it provides anywhere between 237 and 310 horsepower depending on the trim level selected. While this is pure speculation, our crystal ball tells us the engine will end up powering crossovers. It's an easy deduction to make. We can't imagine it will be offered in the Silverado, and seeing it in the Colorado is unlikely because its entry-level engine develops 237 horsepower; there's likely not much of a market for a midsize truck with 200 or so horsepower. Putting it in the Corvette wouldn't make sense and the Camaro has nearly reached the end of its life cycle without a successor planned. This leaves us with Chevrolet's range of crossovers, like the Equinox, as well as their GMC-, Buick-, and Cadillac-branded counterparts. We're not discounting the possibility that the cars set to receive the 2.5 haven't been unveiled, but those are likely crossovers, too; the odds of seeing another big Chevy sedan are very, very low. General Motors hasn't commented on the report, and it hasn't publicly announced plans to expand its CSS family of engines. If the report is accurate, we should learn more about the new turbocharged, 2.5-liter four-cylinder engine in the not-too-distant future. Featured Gallery 2022 Chevrolet Equinox RS View 56 Photos Buick Chevrolet GM GMC

Junkyard Gem: 1988 Buick LeSabre Custom Sedan

The General's Buick Division began selling LeSabres for the 1959 model year, when it greeted the world with a cat-eyed face and razor-sharp tailfins, and the LeSabre rolled on the full-sized, rear-wheel-drive B Platform (best-known for underpinning the Chevrolet Impala and Caprice) all the way through 1985. For 1986, the LeSabre went to the front-wheel-drive H Platform, shedding a few hundred pounds and a half-foot of wheelbase, yet gaining interior room in the process. After that, every LeSabre ever made had a V6 engine driving the front wheels, all the way to the end in 2005. Here's one of those early H-Body LeSabres, found in a Denver-area self-service yard in incredibly clean condition. Some Buicks and Oldsmobiles of the mid-to-late 1980s (the ones on brand-new platforms) had six-digit odometers, which is the reason I was able to see that a discarded '86 Olds Calais with crazy customizing touches had better than 360,000 miles on the clock. This car just barely squeezed past 100,000 miles … and that's a higher number than I expected to see after glancing at the body and interior. Just look at that upholstery! There are no rips, and the only stains appear to have occurred after arrival in the junkyard ecosystem. I think we're looking at a one-owner car that was given meticulous care and was driven only to (a nearby) church on Sundays. Though the HRC sticker and Autobot badge seem out of place on an original-owner Buick that rolled out of the showroom 34 years ago. Perhaps the car was handed down from Owner #1 to a grandchild. This is the most high-zoot radio Buick would sell you in a 1988 LeSabre, complete with Dolby, auto-reverse cassette player, and scan/seek modes on the radio. The price tag on this? 282 bucks, or about 720 inflation-shrunk frogskins today; not cheap, but necessary to do justice to the hit songs of the day. If you wanted a factory CD player in a new LeSabre, you had to wait another year or two. Pollard Brothers Motors is still around, on the other side of the Continental Divide from the Denver region. Power came from an EFI-equipped Buick 3.8-liter V6, rated at 150 horsepower. The only transmission available was a four-speed automatic. Except for some dents that almost certainly happened at the junkyard, the paint and body look gorgeous. Problem is, H-Body LeSabres don't have an enthusiast following, and car shoppers looking for daily drivers tend to shy away from sedans this old.

Junkyard Gem: 1986 Buick Riviera

The Buick Riviera personal luxury coupe attained monstrous proportions by the middle 1970s, scaling in at well over 4,500 pounds by 1976. After spending 1977 and 1978 as sibling to the Chevy Caprice, the Riviera then moved to the front-wheel-drive platform used by the Cadillac Eldorado and Oldsmobile Toronado, staying there through the 1985 model year. The Riviera world became a lot more interesting for the 1986 model year, when a smaller and more sophisticated generation hit showrooms with curvier lines and electronic gadgetry straight out of science fiction. Today's Junkyard Gem is one of those cars, found in a self-service boneyard in Phoenix, Arizona. What makes this car such a fascinating bit of automotive history is this dash-mounted touchscreen interface, known as the Graphic Control Center. The 1986 Riviera was the first GM vehicle to get the GCC, which means it was the first production car in history with a factory-installed touchscreen display. This system became available in the Buick Reatta and the Oldsmobile Toronado a few years later.  The GCC used a cathode-ray tube screen sourced from an ATM manufacturer, which ran on 120VAC power and required an inverter and dangerous high-voltage wiring inside the dash. It was used to operate the HVAC, the radio and the trip computer, as well as to display operating and diagnostic information. The system used numerous bulky components in addition to the dash screen; I've extracted a couple of complete sets of GCC components over the years and plan to build them into a junkyard-parts boombox. As it turned out, the senior-citizen-heavy demographic of Buick shoppers didn't feel great enthusiasm for the GCC and there wasn't a huge sales payoff for this revolutionary technology. That didn't stop GM from introducing the first mass-produced cars with head-up displays a couple of years later. The running gear wasn't quite as sophisticated as the GCC. The 1986-1993 Rivieras got old-fashioned 3.8-liter Buick V6s under their hoods; the one in this car was rated at 140 horsepower and 200 pound-feet. If you wanted a manual transmission in your '86 Rivvie, you were out of luck. A four-speed automatic was mandatory equipment. Note the unusual face-loading cassette deck in front of the shifter; the AM/FM radio was a remote-controlled unit living inside the center console. The MSRP for this car was $19,831, or about $55,691 in 2023 dollars.