2021 GMC Sierra

Road Test: 2021 GMC Sierra 1500 Duramax 4WD Crew Cab AT4 CarbonPro

January 7, 2026March 30, 2021 by John Faulkner

Is the 2021 GMC Sierra 1500 Duramax the best 1500 pickup on the market? Talking with “truck guys and gals” and reading truck forums, it seems to be near or at the very top.

Categories All-Wheel Drive, AWD, Clean Diesel, Test Drives Tags 2021 GMC Sierra, clean diesel, diesel, Duramax, four-wheel drive, Fuel economy, mpg, road test, test drive

Newsletter

SIGN UP TO GET NOTIFIED OF NEW STORIES!

ESSENTIALS

Night Driving Fatigue: Warning Signs and What to Do About Them
Buying Replacement Car Parts in Spain: What Drivers Should Check Before Ordering Online
Car Shipping Costs Nobody Mentions Until the Invoice Arrives
How to Prepare for Your Tasmania Trip
The Surprising Link Between Tire Alignment, Balance and Maximum EV Range
How Mobile Scratch Repair Services Are Transforming Fleet Vehicle Maintenance
Road Trip: 2026 Chevrolet Silverado EV Trail Boss Max Range

Home
Buyer’s Guide
Featured
News
Opinion
Personal
Tech
Test Drives
Car Knowledge

Search for: