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

Clean Fleet Report

The 2021 GMC Sierra 1500 Duramax 4WD Crew Cab AT4 CarbonPro showed-up in my driveway and the neighbors took notice. recently drove the 2021 GMC Sierra 1500 4WD Crew Cab AT4, powered by a 3.0-liter mpg, but on a 100-mile all-freeway run with the adaptive cruise control set at 65 mph, we got an impressive 29.8 Brains and brawn.

Sierra 97
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Ferrari’s Plug-in Hybrid One-Ups the Combustion Engine

Cars That Think

Because the front wheels are driven independently, the car can travel 26 kilometers (16 miles) on electricity alone, at speeds up to 135 km/h (83 mph). You switch the mode on by dialing it up on the Ferrari’s dramatic steering wheel, which integrates a cool arc of LED lights on its carbon-fiber rim to cue drivers to shift.

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Extreme E tackles tough terrain, promotes sustainable racing

Charged EVs

Each team can customize the bodywork of its car—for example, the Chip Ganassi Racing team created a car that features a unique grille, graphics and bodywork inspired by the GMC Hummer EV—but all the other parts are standardized. The car goes from 0-62 mph in 4.5 There are two motors, each with 200 kW (225 hp) of power.