2020 GMC Sierra 1500 AT4: Full Review
Specs: INTERIOR Front head room 43 " Rear head room 40 " Front shoulder room 66 " Rear shoulder room 65 " Front hip room 61 " Rear hip room 60 " Front leg room 44.5 " Rear leg room 43.4 " Standard seating 5 EXTERIOR Length 231.7 " Body width 81.2 " Body height 78.3 " Wheelbase 147.4 " Ground clearance 10.9 " Curb 5,140 Lbs. Gross weight 7,000 Lbs. FUEL Fuel tank capacity 24.0 Gal. EPA mileage estimates 16 City / 21 Hwy PERFORMANCE Base engine size 5.3 Liters Base engine type V-8 Horsepower 355 Hp Horsepower rpm 5,600 Torque 383 Lb-Ft. Torque rpm 4,100 Payload 2,120 Lbs. Maximum towing capacity 9,800 Lbs. Drive type Four-Wheel Turning radius 23.1 ''

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