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


2009 GMC Sierra Light-Duty Extended Cab - Dimensions
  Extended Cab, Standard Box Extended Cab, Long Box
Wheelbase (in / mm): 143.5 / 3645 157.5 / 4001
Overall length (in / mm): 230.2 / 5844 249.2 / 6325
Overall width (in / mm): 79.9 / 2029 79.9 / 2029
Overall height (in / mm)
2WD: 73.9 / 1876 73.6 / 1870
4WD: 73.7 / 1872 73.6 / 1868
Track (in / mm)
Front: 68.1 / 1730 68.1 / 1730
Rear: 67 / 1702 67 / 1702
Min. running ground clearance
2WD: 8.9 / 226 9 / 230
4WD: 9 / 228 9.3 / 240
Ground to top of load floor (in / mm)
2WD: 33.8 / 858 33.5 / 851
4WD: 33.4 / 848 33.1 / 841
Step-in height
2WD: 32.4 / 824 32.4 / 824
4WD: 32.4 / 824 32.4 / 824
Approach angle (deg)
2WD: 15.9 16.2
4WD: 16 16.4
Breakover angle (deg)
2WD: 19.6 18
4WD: 19.3 17.8
Departure angle (deg)
2WD: 24 22.8
4WD: 23.3 22
Cargo box
  Extended Cab, Standard Box Extended Cab, Long Box
Cargo volume (cu ft / L): 60.7 / 1718 75.5 / 2138
Length at floor (in / mm): 78.7 / 1999 97.82 / 2484.7
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
Dimensions - Interior
  Extended Cab, Front Extended Cab, Rear
Headroom (in / mm): 41.2 / 1048 39.2 / 997
Legroom (in / mm): 41.3 / 1049 34.33 / 872
Shoulder room (in / mm): 65.2 / 1657 65.3 / 1658
Hip room (in / mm): 62.5 / 1588 61.9 / 1571.4

Capacities
  Extended Cab, Standard Box Extended Cab, Long Box
Seating: 5 or 6 5 or 6
Fuel tank (gal / L): 26 / 98 34 / 128
  Vortec 4.3L Vortec 4.8L Vortec 5.3L Vortec 6.0L
Engine oil (qt / L): 4.5 / 4.3 6 / 5.7 6 / 5.7 6 / 5.7
Cooling system (qt / L): 12.6 / 11.9 13.4 / 12.7 14.9 / 14.1 14.4 / 13.6


2009 GMC Sierra Light-Duty Extended Cab - Curb Weight & Payload
  GVWR (lb / kg) Base Curb Weight (lb / kg)* Payload (lb / kg)* Weight Distribution (% front / rear)
2WD
Ext. Cab Standard Box: 6400 / 2903 5068 / 2299 1732 / 785 58 / 42
Ext. Cab Long Box: 6900 / 3130 5244 / 2378 1656 / 751 59 / 41
4WD
Ext. Cab Standard Box: 7000 / 3175 5309 / 2408 1691 / 767 59 / 41
Ext. Cab Long Box: 7000 / 3175 5504 / 2496 1496 / 678 60 / 40
*5.3L w/ 6-spd transmission


Chassis/Suspension
Front: 2WD and 4WD: independent coil-over-shock; monotube shock absorbers
Rear: solid axle with semi-elliptic, variable-rate, two-stage multileaf springs; splayed shock absorbers; monotube shocks
Steering type: power-assisted rack-and-pinion (2WD and 4WD)
Steering ratio: 16.73:1
Steering wheel turns, lock-to-lock: 3
Turning circle, curb-to-curb (ft / m)
2WD/4WD Ext. Cab Short Box: 44.6 / 13.6
2WD/4WD Ext. Cab Standard Box: 46.9 / 14.3
2WD/4WD Ext. Cab Long Box: 51.2 / 15.6
Brakes
Type: power-assisted, four-wheel disc, four-wheel ABS; or 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
with 4-wheel disc: front: 13 x 1.18 / 330 x 30
rear: 13.5 x 0.79 / 343 x 20
Total swept area (sq in / sq cm)
with disc/drum brakes: front: 301.2 / 1944
rear:172.4 / 1112
with 4-wheel disc: front: 257 / 1656
rear:113 / 732
Wheels/Tires
Wheel size & type: 17 x 7.5-in steel
17 x 7.5-in chrome-style steel
17 x 7.5-in polished cast aluminum
18 x 8-in chrome-clad aluminum
20 x 8.5-in chrome-clad aluminum
Tires: P24570R17 all season, blackwall or white letter
P265/70R17 AL2, blackwall or white letter
P265/70R17 on/off road, blackwall or white letter
P265/65R18 all season, blackwall or white letter
P275/55R20 AL2 touring blackwall
Trailering
Trailer towing maximum with ball hitch (lb / kg):
Ext. Cab, Std. Box: 2WD:9700 / 4400 (5.3L w/ HD cooling, 6-spd and 3.42 axle OR 6.0L w/ HD cooling, 6-spd and 3.42 axle)
4WD:9400 / 4264 (5.3L w/ HD cooling, 6-spd and 3.42 axle OR 6.0L w/ HD cooling, 6-spd and 3.42 axle)
Ext. Cab., Std. Box (w/ enhanced trailering pkg.): 2WD: 10700 / 4853 (6.0L w/ 3.73 axle)
4WD:10400 / 4717 (6.0L w/ 3.73 axle)
Ext. Cab, Long Box: 2WD:9500 / 4309 (5.3L w/ HD cooling, 6-spd and 3.42 axle)
4WD: 9200 / 4173 (5.3L w/ HD cooling, 6-spd and 3.42 axle)
* SAE certified.

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