The 2019 GMC Sierra 1500 4WD Crew Cab Moves Out with a Big V-8
We’ve detailed the many features and improvements that mark the GMC Sierra 1500 as all new for 2019, and we especially explored those elements—the split-folding tailgate, adaptive suspension, and carbon-fiber cargo bed—that distinguish it from the equivalent Chevrolet Silverado 1500 models. And indeed, General Motors has given the GMC brand a legitimate claim to offering something more than a Chevy with extra chrome.
One thing the two still share, however, is the top powertrain combination of a naturally aspirated 420-hp 6.2-liter V-8 that makes a stout 460 lb-ft of torque and is paired with a fresh 10-speed automatic transmission and standard, selectable all-wheel drive. Now, we’ve had the opportunity to track-test the new half-ton GMC equipped with the big engine. To little surprise, it performs much like the similarly equipped Chevy Silverado High Country pickup we previously evaluated.
At GMC, the 6.2-liter V-8 is available as an upgrade over the standard 355-hp 5.3-liter V-8 on both the top-selling Sierra 1500 Denali and on the brand’s new AT4 off-road-oriented model. In our acceleration runs, both versions performed pretty much the same as each other and the equivalent Chevrolet, with the luxe-equipped Denali reaching 60 mph in 5.5 seconds (the mechanically similar Chevy did it in 5.4 seconds, but the AT4 needed 5.8) and covering the quarter-mile in 14.0 seconds flat at an even 100 mph. While GM’s new pickups can’t match the even more impressive straight-line performance of Ford’s 450-hp F-150 Limited, their pushrod valvetrains give them the V-8 rumble that speaks to traditionalists.
The most evident on-track distinction between the version designed for the valet lane and the one intended for unpaved trails is mostly attributable to their wheel-and-tire packages. Whereas the Denali wore optional 22-inch wheels (21s are standard) wrapped with all-season Bridgestone rubber, sized 275/50R-22, the AT4, sporting its factory two-inch suspension lift, features 18-inch alloys shod with knobby Goodyear Wrangler Duratrac tires, sized 275/65R-18. Where the shorter-profile street rubber held on to the skidpad at 0.78 g, the AT4’s blocky tires with taller sidewalls gave up at a mere 0.71 g. The Denali came to a halt from 70 mph in 183 feet where the AT4 needed 195; the aforementioned Chevy Silverado required only 175 feet on tires similar to the Denali’s. None of these trucks suffered any evident brake fade, which is to be expected but not always found when testing unladen vehicles designed to tow 9300-pound trailers or carry a full ton of cargo.
We’ve detailed the many features and improvements that mark the GMC Sierra 1500 as all new for 2019, and we especially explored those elements— the split-folding tailgate , adaptive suspension, and carbon-fiber cargo bed —that distinguish it from the equivalent Chevrolet Silverado 1500 models. And indeed, General Motors has […]
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Edmunds journeys to St. John’s, Newfoundland, and the far eastern edge of the North American continent to get a first taste of the all-new 2019 GMC Sierra 1500 Denali pickup truck. Watch as Director of Vehicle Testing Dan Edmunds climbs behind the wheel of this fully redesigned full-size truck and gets familiar with its revised 6.2-liter V8 powertrain and its enlarged crew cab.
View detailed specs, features and options for the 2019 GMC Sierra 1500 4WD Double Cab at U.S. News & World Report.
Master the untamed backcountry with the First Ever Sierra 1500 AEV Edition. Equipped by off-road recreational driving and overland adventure travel customizers American Expedition Vehicles (AEV), this off-road pickup is engineered for the roughest terrain.