2019 GMC Sierra AT4 debuts lifted tech-savvy off-roading trim

GMC has revealed its latest pickup, the 2019 Sierra AT4, a new trim that aims to combine off-road ability with lashings of tech you wouldn’t typically find in a truck. Making its debut at the New York International Auto Show 2018 this week, the new model is only the first of GMC’s vehicles to bear the AT4 brand. That, the … Continue reading

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