2011 GMC Sierra 1500: What's New, Specs & Features

Last updated August 4, 2026

The 2011 GMC Sierra 1500 is largely a carryover, not a redesign. Its one meaningful update is additional insulation and sealing intended to reduce wind noise in the cabin.

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About the 2011 GMC Sierra 1500

GMT900 generation (2007-2013), fifth model year; no redesign or mid-cycle exterior refresh.

GMC positioned the Sierra 1500 as a full-size truck range spanning job-focused models, comfortable everyday pickups, fuel-saving variants, and the luxury-oriented Denali. Its core strengths were broad cab, bed, engine, and drivetrain coverage; strong towing and hauling capability; a fully boxed frame; and a quieter, smoother ride than basic work-truck expectations. The Sierra’s main distinction from its Chevrolet sibling was more upscale styling and cabin treatment at the higher trim levels.

The 2011 lineup stretches from the durable, job-focused Work Truck to the leather-lined SLT and Denali. The Hybrid pairs a 6.0-liter V8 with two electric motors, while the XFE focuses on fuel economy and retains standard towing equipment. At the top, Denali combines a 403-horsepower 6.2-liter V8 with heated leather seats, Bose audio, and rear parking sensors.

What changed, by category

Structural

GMC added insulation and sealing measures across the lineup to reduce cabin wind noise.

2011 GMC Sierra 1500 specs and features by trim

Feature	2011 GMC Sierra 1500SL0 in stock	2011 GMC Sierra 1500SLE0 in stock	2011 GMC Sierra 1500SLT0 in stock	2011 GMC Sierra 1500XFE0 in stock	2011 GMC Sierra 1500Denali0 in stock	2011 GMC Sierra 1500Hybrid0 in stock	2011 GMC Sierra 1500Work Truck0 in stock
Engine	V8, Flex Fuel, 4.8 Liter	V8, Flex Fuel, 4.8 Liter / V8, Flex Fuel, 5.3 Liter / V8, Flex Fuel, 6.2 Liter	V8, Flex Fuel, 5.3 Liter / V8, Flex Fuel, 6.2 Liter	V8, Flex Fuel, 5.3 Liter	V8, Flex Fuel, 6.2 Liter	V8, Hybrid, 6.0 Liter	V6, 4.3 Liter / V8, Flex Fuel, 4.8 Liter / V8, Flex Fuel, 5.3 Liter
Transmission	Automatic, 4-Spd w/Overdrive	Automatic, 4-Spd w/Overdrive / Automatic, 6-Spd HD	Automatic, 6-Spd HD	Automatic, 6-Spd HD	Automatic, 6-Spd HD	Automatic, EVT	Automatic, 4-Spd w/Overdrive / Automatic, 6-Spd HD
Drivetrain	4WD / 2WD	2WD / 4WD	4WD / 2WD	2WD	AWD	4WD	2WD / 4WD
Fuel Type	Flexible Fuel	Flexible Fuel	Flexible Fuel	Flexible Fuel	Flexible Fuel	Hybrid	Gas / Flexible Fuel
MPG City	14 mpg	13–15 mpg	13–15 mpg	15 mpg	13 mpg	20 mpg	14–15 mpg
MPG Highway	19 mpg	18–21 mpg	18–21 mpg	22 mpg	18 mpg	23 mpg	19–22 mpg
Horsepower	302 hp	302–403 hp	315–403 hp	315 hp	403 hp		195–315 hp
Torque	305 lb-ft	305–417 lb-ft	335–417 lb-ft	335 lb-ft	417 lb-ft	367 lb-ft	260–335 lb-ft
Max Towing	5500–6700 lb	9100–10400 lb	9200–10700 lb	7000 lb	9300 lb	6100 lb	9100–10000 lb
Rear Legroom	34.3–38.7 in	34.3–38.7 in	34.3–38.7 in	38.7 in	38.7 in	38.7 in	34.3–38.7 in
Seats	6	3–6	5	6	5	6	3–6
Doors	4	2–4	4	4	4	4	2–4
Safety & Security
4-Wheel Disc Brakes
Alarm System
Cruise Control
Hill Start Assist
Rear Parking Sensors
Rear View Camera
Exterior Features
Alloy Wheels
Auto-Dimming Exterior Mirrors
Fog Lights
Heated Mirrors
Power Moonroof
Power Folding Exterior Mirrors
Power Mirrors
Privacy Glass
Side Steps
Tow Hooks
Entertainment & Electronics
Bluetooth
Front DVD Entertainment System
Navigation System
Rear DVD Entertainment System
Satellite Radio
Subwoofer
USB Ports
Comfort & Convenience
Auto-Dimming Interior Mirror
Cooled Seats
Dual Power Front Seats
Dual-Zone Climate Control
Heated Front Seats
Heated Steering Wheel
Integrated Garage Door Opener
Leather Seats
Leather-Wrapped Steering Wheel
Memory Driver's Seat
Power Adjustable Pedals
Remote Start
Tilt Wheel

How the 2012 GMC Sierra 1500 compares

The 2012 GMC Sierra 1500 received a light update led by trailer sway control, which was added to the stability system on most models. The basic truck, engine lineup, and trim structure otherwise carried over from 2011.

See the full 2012 changes

Frequently asked questions

Was the 2011 GMC Sierra 1500 redesigned?

No. The 2011 Sierra 1500 remained part of the generation introduced for 2007, with no major exterior refresh, powertrain overhaul, or safety-hardware change.

What changed on the 2011 GMC Sierra 1500 compared with the 2010 model?

The main change was added insulation and sealing intended to reduce wind noise inside the cabin. Otherwise, the Sierra 1500 was largely unchanged.

Did the 2011 GMC Sierra 1500 get new engines or transmissions?

No. GMC made no model-range engine or transmission changes for 2011.

Did the 2011 GMC Sierra 1500 receive new safety equipment?

No. The core standard safety hardware carried over without a model-range change for 2011.

Was there a 2011 GMC Sierra 1500 Hybrid?

Yes. The 2011 Sierra 1500 Hybrid used a 6.0-liter V8, two electric motors, a 300-volt battery, regenerative braking, and a two-mode automatic transmission.