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 2009 GMC Sierra Light Duty Extended Cab with standard box, long box, 2WD & 4WD options. Read the complete specs on the Vortec 4.3L V-6, Vortec 4.8L V-8, Vortec 5.3L V-8 FlexFuel, Vortec 5.3L V-8, and Vortec 6.0L V-8.


2009 GMC Sierra Light-Duty Extended Cab
Models: • TC/TK 10753: extended cab, standard box, 2WD & 4WD
• TC/TK 10953: extended cab, long box, 2WD & 4WD
Body style / driveline: 5/6-passenger extended cab, 1/2-ton, two-and four-wheel drive light-duty pickups available with 5-foot 8-inch, 6-foot 6-inch, and 8-foot (1.7 m, 2 m and 2.4 m) box
EPA vehicle class: full-size truck
Manufacturing location: Pontiac, Mich.; Fort Wayne, Ind.
Engines
  Vortec 4.3L V-6 (LU3) Vortec 4.8L V-8 (LY2) 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: OHV, two valves per cylinder OHV, two valves per cylinder OHV, two valves per cylinder
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 9.1:1 9.9:1
Horsepower (hp / kW @ rpm): 195 / 145 @ 4600* 295 / 220 @ 5600* 320 / 240 @ 5200*
Torque (lb-ft / Nm @ rpm): 260 / 353 @ 2800* 305 / 414 @ 4600* 340 / 461 @ 4200*
Recommended fuel: regular unleaded regular unleaded E85 and/or regular unleaded
Maximum engine speed (rpm): 5600 6000 6000
Emissions controls: close-coupled catalytic converter, 58X ignition, returnless fuel rail, fast-response O sensor
EPA estimated fuel (city / hwy): economy 2WD: 15 / 20 2WD: 14 / 19
4WD: 14 / 18
2WD: 14 / 20
4WD: 14 / 19
Engines cont'd
  Vortec 5.3L V-8 (LY5) Vortec 6.0L V-8 (L76)
Type: 5.3L V-8 6.0L V-8
Displacement (cu in / cc): 325 / 5328 364 / 5967
Bore & stroke (in / mm): 3.78 x 3.62 / 96 x 92 4 x 3.62 / 101.6 x 92
Block material: cast iron cast aluminum
Cylinder head material: cast aluminum cast aluminum
Valvetrain: OHV, two valves per cylinder OHV, two valves per cylinder; variable valve timing
Ignition system: 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: Active Fuel Management; sequential fuel injection Active Fuel Management; sequential fuel injection
Compression ratio: 9.9:1 9.6:1
Horsepower (hp / kW @ rpm): 315 / 235 @ 5200* 367 / 274 @ 5600*
Torque (lb-ft / Nm @ rpm): 338 / 458 @ 4400* 375 / 508 @ 4300*
Recommended fuel: regular unleaded regular unleaded
Maximum engine speed (rpm): 6000 6000
Emissions controls: close-coupled catalytic converter, 58X ignition, returnless fuel rail, fast-response O sensor
EPA estimated fuel (city / hwy): economy 2WD: 14 / 20
4WD: 14 / 19
2WD: 13 / 18
4WD: 13 / 17
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.): 3.23, 3.42, 3.73 and 4.10 3.42

Source: General Motors