Truck Trend is the source for official specifications, payload, towing capacity, and other information that matters to real truck users. Check out the latest info for the 2011 GMC Sierra 1500 Regular Cab pickup. The Regular Cab Sierra is available with three engine options; 4.3L V-6, 4.8L V-8, and 5.3L V-8 engine matted with a four-speed automatic or six-speed automatic transmission.


2011 GMC Sierra 1500 Regular Cab Specifications
Overview
Models: TC/TK 10703: regular cab standard box, 2WD and 4WD
TC/TK 10903: regular cab long box, 2WD and 4WD
Body style / driveline: 2/3-passenger regular cab, 1/2-ton, 2- and, 4-wheel drive light-duty pickups available with 6-foot 6-inch and 8-foot (2 m and 2.4 m) box
EPA vehicle class: full-size truck
Manufacturing location: Fort Wayne, Ind., Flint, Mich.
Engines
  Vortec 4.3L V-6 (LU3) Vortec 4.8L V-8 FlexFuel (L20) Vortec 5.3L V-8 FlexFuel (LMG)
Type: 4.3L V-6 4.8L V-8 5.3L V-8
Displacement (cu in / cc): 262 / 4300 293 / 4807 325 / 5328
Bore & stroke (in / mm): 4 x 3.48 / 101.6 x 88 3.78 x 3.27 / 96 x 83 3.78 x 3.62 / 96 x 92
Block material: cast iron cast iron cast iron
Cylinder head material: cast iron cast aluminum cast aluminum
Valvetrain: overhead valve, two valves per cylinder overhead valve, two valves per cylinder, variable valve timing overhead valve, two valves per cylinder, variable valve timing
Ignition system: direct composite distributor, platinum-tipped spark plugs, low-resistance spark plug wires coil near plug, platinum-tipped spark plugs, low-resistance spark plug wires coil near plug, platinum-tipped spark plugs, low-resistance spark plug wires
Fuel delivery: sequential fuel injection sequential fuel injection Active Fuel Management; sequential fuel injection
Compression ratio: 9.2:1 8.8:1 9.9:1
Horsepower (hp / kW @ rpm): 195 / 145 @ 4600 302 / 225 @ 5600* 315 / 235 @ 5200* (gas)
326 / 243 @ 5300* (E85)
Torque (lb-ft / Nm @ rpm): 260 / 353 @ 2800 305 / 414 @ 4600* 335 / 454 @ 4400* (gas)
348 / 472 @ 4400* (E85)
Recommended fuel: regular unleaded regular unleaded or E85 regular unleaded or E85
Maximum engine speed (rpm): 5600 6000 6000
Emissions controls: close-coupled catalytic converter, Quick Sync 58X ignition, returnless fuel rail, fast-response O² sensor
EPA estimated fuel economy (city / hwy): 2WD: 15 / 20
4WD: 14 / 18
2WD: 14 / 19 (gas)
4WD: 13 / 18 (gas)
2WD: 15 / 21 (gas)
4WD: 15 / 21 (gas)
Transmissions
  Hydra-Matic 4L60 Hydra-Matic 6L80
Type: four-speed automatic six-speed automatic
Gear ratios (:1):
First: 3.06 4.03
Second: 1.63 2.36
Third: 1 1.53
Fourth: 0.7 1.15
Fifth: 0.85
Sixth: 0.67
Reverse: 2.29 3.06
Final drive ratio (std. & avail.): 3.08, 3.23, 3.42 and 3.73 3.08 or 3.42
Chassis / Suspension
Front: 2WD and 4WD: independent coil-over-shock; monotube shock absorbers
Rear: solid axle with semi-elliptic, variable-rate, two-stage multi-leaf springs; splayed shock absorbers; monotube shocks available
Steering type: power-assisted rack-and-pinion (2WD and 4WD)
Steering ratio: 19.2:1
Steering wheel turns, lock-to-lock: 3.5
Turning circle, curb-to-curb (ft / m)
2WD/4WD Reg. Cab Std. Box: 39.7 / 12.1
2WD/4WD Reg. Cab Long Box: 44.3 / 15.4
Brakes
Type: power-assisted, front disc/rear drum, four-wheel ABS
Rotor diameter x thickness (in / mm)
disc/drum brakes: front: 12.99 x 1.18 / 330 x 30
rear: 11.61 x 2.36 / 295 x 60
Total swept area (sq in / sq cm)
disc/drum brakes: front: 301.2 / 1944
rear: 172.4 / 1112
Wheels / Tires
Wheel size & type:
17 x 7.5-in. steel
17 x 7.5-in. polished cast aluminum
18 x 8-in. chrome-clad aluminum
20 x 8.5-in. chrome aluminum
22-inch (dealer installed) x 7.5-in. chrome-style steel
Tires: P245/70R17 all season, blackwall
P265/70R17 all season blackwall
P265/70R17 on/off road, blackwall or white letter
P265/65R18 all season, blackwall or white letter
P275/55R20 AL2 touring blackwall
22-inch TBD (dealer installed)
*SAE certified.


2011 GMC Sierra 1500 Regular Cab Dimensions
Exterior
  Regular Cab, Standard Box Regular Cab, Long Box
Wheelbase (in / mm): 119 / 3023 133 / 3378
Overall length (in / mm): 205.6 / 5222 224.5 / 5702
Overall width (in / mm): 79.9 / 2031 79.9 / 2031
Overall height (in / mm)
2WD: 73.8 / 1876 73.7 / 1872
4WD: 73.8 / 1876 73.8 / 1876
Track (in / mm)
Front: 68.1 / 1732 68.1 / 1732
Rear: 67 / 1702 67 / 1702
Min. running ground clearance
2WD: 8.4 / 215 8.9 / 228
4WD: 9.1 / 231 9.5 / 241
Ground to top of load floor (in / mm)
2WD: 35.4 / 900 34.9 / 888
4WD: 34.7 / 882 34.5 / 877
Step-in height
2WD: 22.6 / 574 22.6 / 574
4WD: 22.6 / 574 22.6 / 574
Approach angle (deg)
2WD: 14.6 15.4
4WD: 15.6 16.3
Breakover angle (deg)
2WD: 24.4 21.5
4WD: 24.4 21.8
Departure angle (deg)
2WD: 25 24.1
4WD: 24.2 23.3
Interior
  Regular Cab
Headroom (in / mm): 41.3 / 1051
Legroom (in / mm): 41.3 / 1049
Shoulder room (in / mm): 65.2 / 1656
Hip room (in / mm): 62.5 / 1588
Curb weight & payload
  GVWR (lb / kg) Base Curb Weight (lb / kg)* Payload (lb / kg)* Weight Distribution (% front / rear)
2WD Reg. Cab Standard Box: 6400 / 2903 4633 / 2102 1768 / 367 59 / 41
2WD Reg. Cab Long Box: 6400 / 2903 4751 / 2155 1649 / 748 60 / 40
4WD Reg. Cab Standard Box: 6400 / 2903 4877 / 2212 1523 / 691 61 / 39
4WD Reg. Cab Long Box: 6800 / 3084 5021 / 2278 1779 / 807 61 / 39
*5.3L with six-speed transmission
Cargo box
  Regular Cab, Standard Box Regular Cab, Long Box
Cargo volume (cu ft / L): 60.7 / 1718 75.5 / 2138
Length at floor (in / mm): 78.9 / 2003 97.8 / 2479
Width at floor (in / mm): 62.4 / 1586 62.4 / 1586
Width between wheel housings (in / mm): 50.6 / 1286 50.6 / 1286
Tailgate width (in / mm): 61.5 / 1564 61.5 / 1564
Inside height (in / mm): 21 / 553 21 / 553
Capacities
  Regular Cab, Standard Box Regular Cab, Long Box
Seating: 2 or 3 2 or 3
Fuel tank (gal / L): 26 / 98 34 / 128
  Vortec 4.3L Vortec 4.8L Vortec 5.3L
Engine oil (qt / L): 4.5 / 4.3 6 / 5.7 6 / 5.7
Cooling system (qt / L): 12.6 / 11.9 13.4 / 12.7 14.9 / 14.1
Trailering
Trailer towing maximum with ball hitch (lb / kg)
Reg. Cab, Std. Box: 2WD: 9100 / 4127 (5.3L and 3.42 axle)
4WD: 8900 / 4037 (5.3L and 3.42 axle)
Reg. Cab, Long Box: 2WD: 10000 / 4536 (5.3L and 3.42 axle)
4WD: 9800 / 4445 (5.3L and 3.42 axle)
*SAE certified.

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