Is the GMC Sierra AT4 Diesel Worth an Extra $10K Over a Chevy Silverado Trail Boss? Let’s Compare!

GMC Sierra AT4 Diesel Vs. Chevy Silverado

What are all the differences between a $55,000 Chevy Silverado 1500 Trail Boss and a $65,000 2021 GMC Sierra 1500 AT4 Diesel? Is the Sierra worth the extra $10K? Let’s compare and find out!