2020 GMC Sierra 1500 Loses Two Gears For Some Versions

The 2020 GMC Sierra 1500 has a number of engine choices, ranging from the lower displacement 2.7-liter turbo, up to the 6.2-liter V8, depending on what trim level you are looking for. There’s even a turbocharged 3.0-liter six-cylinder diesel for those looking for good torque. These engines are mated to a set of six, eight and ten speed automatic transmissions, again, depending on the options you check. But soon there will only be a certain engine configuration left with an eight-speed auto, and that is the rather popular 5.3-liter L84 naturally aspirated V8 gasoline engine with DFM.

According to the guys at GM Authority, that downgrade is not yet reflected on the website. It is not entirely. This specific downgrade applies to all variants of the 2020 GMC Sierra 1500 in 4WD fitted with said 5.3-liter V8, despite the possibility of opting for 10-speed in the online configurator. It looks like GMC will allow dealers to take control of the 10-speed automatic option, but then revert it back to the 8-speed transmission and simply give $ 200 credit on the bill. And, according to GM Authority, it will be like that for the remainder of 2020 when it comes to this specific Sierra 1500 setup despite the lack of an official announcement.

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Any quick trip to a forum or the comments section of the rather controversial eight-speed car is filled with mind-boggling tales of drivetrain thrill, drivetrain failures, parts replacements and warranty work.

So you can see why this could be a problem for anyone looking to choose one of these trucks. It appears that either there are supply issues at work with regard to the more reliable 10-speed car, or does GMC have an incredible surplus of eight-speed transmissions that they are just looking at. throw in their vehicles? No news on whether or not this downgrade will continue in 2021, but hopefully 10-speed becomes standard soon.

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