2020 GMC Sierra 1500 1500 Extended Cab Seating Capacity Specs
Seating Capacity Specs
| Seating Capacity | 6 passengers |
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All Available Specs
Basics
| Year | 2020 |
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| Make | GMC |
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| Model | Sierra 1500 |
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| Trim | 1500 Extended Cab |
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Seating & Access
Powertrain
| Engine | ECOTEC3 WITH ACTIVE FUEL MANAGEMENT |
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| Engine Configuration | V6 |
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| Engine Size (L) | 4.3 L |
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| Engine Size (cu in) | 262 cu in |
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| Transmission | 6 Spd Auto, Electronically Controlled |
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| Drivetrain | 4WD |
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Power & Performance
| Horsepower | 285 HP |
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| Horsepower RPM | 5,300 rpm |
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| Torque | 305 ft-lbs |
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| Torque RPM | 3,900 rpm |
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| HP/Liter | 66 HP/L |
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| HP/Cubic Inch | 1.1 HP/cu in |
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Fuel Efficiency
| City MPG | 19 mpg |
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| City L/100km | 12.0 L/100km |
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| Highway MPG | 22 mpg |
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| Highway L/100km | 11.0 L/100km |
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| Combined MPG | 20.5 mpg |
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| Combined L/100km | 11.0 L/100km |
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Fuel Tank & Range
| Gas Tank Size (gal) | 24.0 gal |
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| Gas Tank Size (L) | 90.8 L |
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| City Range (miles) | 456 miles |
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| City Range (km) | 734 km |
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| Highway Range (miles) | 528 miles |
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| Highway Range (km) | 850 km |
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| Combined Range (miles) | 492 miles |
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| Combined Range (km) | 792 km |
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Tires
| Front Tire Size | 255/70R17 |
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| Front Tire Width | 255 |
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| Front Tire Aspect Ratio | 70 |
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| Front Rim Size | 17 |
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| Rear Tire Size | 255/70R17 |
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| Rear Tire Width | 255 |
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| Rear Tire Aspect Ratio | 70 |
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| Rear Rim Size | 17 |
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| Spare Tire Size | 255/70R17 |
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Wheels
| Front Wheel Size | 17 x 8.0 |
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| Rear Wheel Size | 17 x 8.0 |
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| Front Wheel Material | Steel |
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| Rear Wheel Material | Steel |
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Weight & Capacity
| Towing Capacity (lbs) | 7,500 lbs |
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| Payload (lbs) | 2,165 lbs |
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| Curb Weight (lbs) | 4,835 lbs |
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| Weight to HP Ratio | 17.0 lbs/HP |
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| GVWR (lbs) | 7,000 lbs |
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Legroom
| First Row Legroom (in) | 44.5 in. |
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| First Row Legroom (cm) | 113 cm |
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| Second Row Legroom (in) | 35.2 in. |
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| Second Row Legroom (cm) | 89.4 cm |
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Headroom
| First Row Headroom (in) | 43 in. |
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| First Row Headroom (cm) | 109.2 cm |
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| Second Row Headroom (in) | 39.9 in. |
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| Second Row Headroom (cm) | 101.3 cm |
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Ground Clearance
| Front Ground Clearance (in) | 8.1 in. |
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| Front Ground Clearance (cm) | 20.6 cm |
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| Rear Ground Clearance (in) | 8.1 in. |
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| Rear Ground Clearance (cm) | 20.6 cm |
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| Min Ground Clearance (in) | 8.1 in. |
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| Min Ground Clearance (cm) | 20.6 cm |
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| Max Ground Clearance (in) | 8.1 in. |
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| Max Ground Clearance (cm) | 20.6 cm |
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Height & Length
| Height (in) | 75.6 in. |
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| Height (cm) | 192 cm |
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| Height (ft) | 6.3 ft |
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| Height (m) | 1.9 m |
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| Length (in) | 231.8 in. |
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| Length (cm) | 588.8 cm |
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| Length (ft) | 19.3 ft |
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| Length (m) | 5.9 m |
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Width & Track
| Width w/o Mirrors (in) | 81.2 in. |
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| Width w/o Mirrors (cm) | 206.2 cm |
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| Width w/o Mirrors (ft) | 6.8 ft |
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| Width w/o Mirrors (m) | 2.1 m |
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Wheelbase
| Wheelbase (in) | 147.4 in. |
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| Wheelbase (cm) | 374.4 cm |
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| Wheelbase (ft) | 12.3 ft |
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| Wheelbase (m) | 3.7 m |
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