GMC announced updates to its 2020 Sierra half-ton pickup truck, including much-needed adaptive cruise control, a 3.0-liter turbo-diesel engine option, improved towing cameras, and expanded availability of the 10-speed automatic transmission. All the below updates make the 2020 Sierra much more competitive in a tough and technologically advanced market for trucks.
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https://www.digitaltrends.com/cars/2020-sierra-gets-diesel-adaptive-cruise/
