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

How Small Fleets Are Solving the Equipment and Vehicle Overflow Problem
Automotive Software Development: Key Trends an Automotive Software Development: Key Trends and Best Practices
Why Paintless Dent Repair Is a Smart Choice for Modern Vehicle Owners
Die Casting vs. CNC Machining – How To Choose
Beyond Horsepower: What Really Makes a Car Feel Premium
Why the Android Head Unit Market is High-Risk (And How to Buy Safely)
What Does an Intake Manifold Do in a 6.7 Power Stroke?

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

Search for: