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Leaked GM document shows GMC Sierra I6 diesel is more powerful than F-150's

GM told us earlier this year that the 2019 GMC Sierra would be getting a 3.0-liter I6 diesel option, but it never mentioned power or fuel economy figures. Hold the phone though, because a leaked GM Canada document just showed up online that lists out the details we've been waiting for. Originally published by TFL Truck, the 3.0-liter oil-burner supposedly makes 282 horsepower and 450 pound-feet of torque. For those who are counting, that's more than the Ford F-150's 250 horsepower and 440 pound-feet from its 3.0-liter diesel. It soundly bests the 240 horsepower and 420 pound-feet of torque from Ram's 3.0-liter diesel as well. Fuel economy is another story, though. The promotional material states that it will get 28 mpg on the highway, which is 2 mpg short of the F-150's 30 mpg — mind you, it's only capable of that magical 30 mpg figure in rear-wheel drive form. There's another caveat here, too; these are numbers for Canada, so they're not exactly finalized EPA figures. However, we wouldn't expect drastic differences between the two when the American numbers come out. The leaked documents also state the diesel Sierra will be capable of towing 7,800 pounds. That number seems remarkably low when compared to the F-150, which can tow up to 11,400 pounds with its diesel. Extra power and torque would have us assume that GM could get even better numbers than Ford, so we're going to hold our final judgment for official word. A 10-speed automatic will do the shifting on the diesel, just like on the 6.2-liter V8. Since the Chevy Silverado is also expected to get this engine, we can assume the figures would be almost, if not identical, to those we see here. We recently drove the 2019 Sierra and Silverado without the diesel engines, so go check those reviews out if you'd like to know more of our thoughts on the redesigned GM trucks. Related video:

2020 GMC Acadia AT4 Review | A soft-roader in steel-toed boots

For carmakers today, the perfect lineup would be focused almost entirely on trucks and crossovers, favoring profitability at the expense of diversity. Just look at FCA’s Ram and Jeep showrooms. In the General Motors portfolio, that brand is GMC, with not a car to be found in its lineup and several body-on-frame offerings meant to take a serious beating. It should be a license to print money. But a lineup of trucks and SUVs isnÂ’t enough. Some folks want the rough-and-tumble edge of an off-road vehicle, albeit one that can still credibly serve duty in the school pickup line. Enter the AT4 trim level, an off-road package that spans the gap between the GMC's upscale professional image and the off-road oriented buyer. The 2020 GMC Acadia AT4 is the latest member of the family AT4 slots in between the mid-grade SLT and the range-topping Denali, but simply saying itÂ’s the second-most expensive Acadia variant isnÂ’t really doing it justice. If the SLT trim is understated, and the Denali trim opulent, the AT4 trim promises ruggedness and adventure – even if it canÂ’t deliver it.  The Acadia is definitely a soft-roader and AT4 doesnÂ’t do much to change that – itÂ’s effectively an appearance package. It adds a unique grille, 17-inch wheels and AT4 badges — all blacked out — plus a set of Continental TerrainContact A/T tires engineered to offer a comfortable ride while still enabling some off-pavement excursions. There are several unique interior treatments as well, including “AT4” embroidery on the seats, regardless of whether you go with the base upholstery or the upgraded perforated leather ($1,000) that was added to our test vehicle. Note that we didnÂ’t mention anything beyond the small wheels and meaty tires that would actually make the AT4 any better off pavement. ThereÂ’s no extra ground clearance (it remains a meager 7.2 inches), low range 4x4 system or suspension enhancement to be found here. This would be a departure from other GMC AT4 models, including the Sierra 1500 and upcoming 2021 Yukon, which get extra ground clearance, underbody protection and a rugged suspension, but it won't be an outlier. The similarly soft-roading Terrain AT4 has already been announced.  Yet, off-road models tend to get hammered with on-road handling and ride quality criticism and here's where the Acadia AT4 being more of an appearance package pays off.

2024 GMC Acadia First Drive Review: Big on character

BLUFFTON, S.C. — The 2024 GMC Acadia is a revamped take on the brandÂ’s popular three-row SUV. ItÂ’s quite a bit bigger than the outgoing model, with 8.4 more inches of wheelbase and 10.6 extra inches of overall length. ThatÂ’s a huge boon to cargo space (up 80%), while also adding 27% to second-row legroom. Its new looks align more closely now with the GMC Sierra pickup, granting it a brawnier personality. While itÂ’s in many ways quite similar to the updated 2024 Chevrolet Traverse, (including in size, now) GMC did an admirable amount of design work to differentiate the Acadia from its close relative. The tall, truck-like grille gives the Acadia more presence than before, and the C-shaped LED headlights add character. Along the side, the chunky C-pillar is hidden from sight, while the D-pillar is expanded. This provides a better view for third-row passengers, and has the added benefit of obscuring the cargo area from onlookers. Around back, we see more LED lighting, as well as quad exhaust tips GMC said were inspired by the C8 Chevy Corvette, complete with their squarish shape. The overall look is more truckish, but it still has a sporty slant. Under the skin, much is shared with its Chevy platform-mate. It sports the same new 2.5-liter turbo four producing 328 horsepower and 326 pound-feet of torque and shifts via an eight-speed automatic transmission. The engine employs the same “ePhaser” to adjust the camshaft on the fly to advance and delay the spark according to power and efficiency needs. And just like the Traverse, the front-wheel-drive Acadia gets 20 miles per gallon city, 27 mpg highway and 23 mpg combined, or 19/24/21 mpg with all-wheel drive. In addition to the base Elevation trim ($43,995 including destination, with AWD costing another $2,000), the Acadia boasts the more luxurious Denali trim ($55,695 for FWD and $57,695 for AWD), as well as the off-road-ready AT4 trim ($51,395 with AWD standard). WeÂ’ll have to wait to evaluate the feature content in the Elevation, but the Denali and AT4 were on hand for us to evaluate in South Carolina. Our first stint in the Acadia was in the Denali. Getting inside, itÂ’s immediately noticeable that the AcadiaÂ’s interior is a big step up over that of the Traverse. Up front, the centerpiece is the tech interface standard on all Acadia trims: a portrait-oriented 15-inch infotainment screen running Google Built-In, as well as an 11-inch driver display.