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2009 Pontiac G6 - Specs

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2009 Pontiac G6

2009 Pontiac G6 - Review
2009 Pontiac G6 - Photos
2009 Pontiac Reviews
2009 Pontiac G6 - Price Quote

Visit Pontiac for more information on the Pontiac G6.

Engine Specs
Transmission Specs

Exterior Dimensions
Interior Dimensions

Cargo Volume



Dimensions and capacities are in inches unless otherwise specified.

Engine Ecotec 2.4L I-4 (LE5) 3.5L V-6 SFI (LZ4) 3.6L V-6 VVT (LY7) 3.9L V-6 (LZ9)
Availability std. base sedan std. GT models std. GXP models opt. GT convertible
opt. base model
Type 2.4L I-4 3.5L V-6 3.6L V-6 3.9L V-6
Displacement (cu in / cc) 145 / 2384 214 / 3510 217 / 3564 237 / 3880
Bore & stroke (in / mm) 3.46 x 3.85 / 88 x 98 3.90 x 3.00 / 99 x 76 3.70 x 3.37 / 94 x 85.6 3.90 x 3.31 / 99 x 84
Block material cast aluminum cast iron cast aluminum w/ cast-in-place iron liners cast iron
Cylinder head material cast aluminum aluminum aluminum cast aluminum
Valvetrain overhead camshafts, 4 valves per cylinder; continuously variable valve timing overhead valve, 2 valves per cylinder; continuously variable valve timing dual overhead camshafts, 4 valves per cylinder, continuously variable valve timing overhead valve, 2 valves per cylinder, continuously variable valve timing
Ignition system electronic direct Quick Sync 58X; direct
Iridium electrode tip / iridium core spark plugs, low resistance spark plug wires
electronic individual coil-on-plug; individual cylinder knock control and extended-life platinum-tipped spark plugs Quick Sync 58X; platinum-tipped spark plugs, low resistance spark plug wires
Fuel delivery sequential fuel injection sequential fuel injection sequential fuel injection sequential fuel injection
Compression ratio 10.4:1 9.8:1 10.2:1 9.8:1
Horsepower (hp / kw @ rpm) 164 / 122 @ 6400 2219 / 163 @ 5800 (Bin-4 and PZEV emissions)
252 / 188 @ 6300 rpm 222 / 166 @ 5600 rpm
221 / 165 @ 5800 (Bin-5 emissions)
Torque (lb-ft / Nm @ rpm) 156 / 212 @ 5000 220 / 298 @ 4000 (Bin-4 and PZEV emissions)
251 / 341 @ 3200 rpm 238 / 323 @ 4000 rpm
221 / 300 @ 4000 (Bin-5 emissions)
Recommended fuel regular unleaded regular unleaded regular unleaded regular unleaded
Maximum engine speed (rpm) 6800 6400 6900 6400
Emissions controls close-coupled catalytic converter; returnless fuel rail; fast-response oxygen sensor close-coupled catalytic converter; returnless fuel rail; fast-response oxygen sensor evaporative system, single close-coupled catalytic converter, equal-length exhaust, single underfloor catalytic converter, positive crankcase ventilation, intake and exhaust cam phasers, electronic throttle control close-coupled catalytic converter; returnless fuel rail; fast-response oxygen sensor
Estimated fuel economy
(city / hwy)
22 / 30 (G6 sedan with 4-spd. auto.) 18 / 29
(G6 sedan)
17 / 26
(G6 GXP)
15 / 22
(G6 convertible)
22 / 33 (G6 sedan with 6-spd. auto.) 17 / 26 (G6 GT and G6 convertible)

Transmission 4T45 4-speed electronic automatic 4T65 4-speed electronic automatic 6T40 6-speed electronic automatic 6T70 6-speed electronic automatic
Application std. with 2.4L and 3.5L opt. with 3.9L opt. with 2.4L std. with 3.6L VVT
Gear ratios (:1):
     1st 2.96 2.92 4.48 4.48
     2nd 1.62 1.57 2.87 2.87
     3rd 1.00 1.00 1.88 1.88
     4th 0.68 0.71 1.47 1.47
     5th - - 1.00 1.00
     6th - - 0.74 0.74
   Reverse 2.14 2.39 2.88 2.88
Final Drive Ratio G6: 3.91 3.69 2.89 2.77
G6 6-cyl: 3.05
G6 GT: 3.29

Chassis / Suspension G6 4-cyl. & 6 cyl. G6 GT G6 GXP
Front MacPherson strut with aluminum L-shaped control arms; 21-mm hollow direct-acting stabilizer bar MacPherson strut with aluminum L-shaped control arms; 22-mm hollow direct-acting stabilizer bar MacPherson strut with aluminum L-shaped control arms; 22-mm hollow direct-acting stabilizer bar
Rear four-link independent with twin-tube gas shocks; dual-rate mini-block coil springs; 19-mm solid direct-acting stabilizer bar four-link independent with twin-tube gas shocks; dual-rate mini-block coil springs; 20-mm solid direct-acting stabilizer bar four-link independent with twin-tube gas shocks; dual-rate mini-block coil springs; 20-mm solid direct-acting stabilizer bar, convertible equipped with montoube rear shocks
Steering Type variable assist electric power steering on 4-cyl.; hydraulic power steering on 6-cyl. hydraulic power steering hydraulic power steering (GXP coupe, sedan and GT convertible)
Steering Ratio 16.2:1 16.2:1 16.2:1
Steering wheel turns, lock-to-lock 2.90 2.78 2.80
Turning circle, curb-to-curb (ft / m) 36 / 11.6 39.3 / 12 40 / 12.3

Brakes G6 (4-cyl. & 6-cyl.) G6 GT G6 GXP
Type power-assisted disc; vented front discs, solid rear discs; ABS is standard with TCS power-assisted disc; vented front discs, solid rear discs; ABS & TCS standard power-assisted disc; vented front, solid rear discs; ABS, TCS & StabiliTrak standard
Rotor diameter
(in / mm)
Front 10.87 / 276 11.65 / 296 11.65 / 296
Rear 10.63 / 270 10.63 / 270 10.63 / 270

Wheels / Tires G6 4-cyl. & 6-cyl. G6 GT G6 XP
Wheel size and type 17-in. steel wheel with bolt-on cover std (base 1SV); 17-in. custom 5-spoke, high-vent std. (sedan), 17-in. painted case aluminum opt. 17-in. painted cast alum. wheel std. (coupe / sedan); 17-in. ChromeTech cast aluminum, opt. (coupe / sedan); 18-inch 5-spoke, flangeless machine-face wheels std. (convertible) opt. (coupe / sedan); 18-in 5-spoke, flangeless ultra-bright alloy opt. (convertible) 18-in. flangeless 5-spoke ChromeTech wheel (std); black chrome (opt)
Tires P215/55R17 touring blackwall (base 1SV), P225/50R17 touring balckwall (sedan) P225/50R17 touring blackwall (std sedan / coupe); P225/50R18 touring blackwall std (std convertible, opt sedan / coupe) P225/50R18 touring blackwall

Dimensions Exterior Sedan Coupe Convertible
Wheelbase (in / mm) 112.3 / 2852 112.3 / 2852 112.3 / 2852
Overall length (in / mm) 189 / 4801 189.1 / 4803 189.1 / 4803
Overall width (in / mm) 70.6 / 1793 70.4 / 1788 70.6 / 1793
Overall height (in / mm) 57 / 1450 56.4 / 1433 56.7 / 1440
Track (in / mm) Front 59.6 / 1514 59.8 / 1519 59.8 / 1519
Rear 60 / 1524 60.4 / 1534 60.4 / 1534
Curb weight (lb / kg) Base 3305 / 1499 - -
GT 3457 / 1568 3415 / 1549 3855 / 1749
GXP 3545 / 1608 3487 / 1582 -

Interior Sedan Coupe Convertible
Seating capacity (front / rear)   2 / 3 2 / 2 2 / 2
Headroom (in / mm) Front 39 / 991 38.9 / 988 38.4 / 975
Rear 36.5 / 927 36.3 / 922 36.1 / 917
Legroom (in / mm) Front 42.2 / 1072 42.2 / 1072 42.2 / 1072
Rear 37.6 / 955 35.8 / 909 34.2 / 869
Shoulder room (in / mm) Front 55.4 / 1407 54.2 / 1377 54.0 / 1372
Rear 55.4 / 1407 51.1 / 1298 44.8 / 1138
Hip room (in / mm) Front 52.7 / 1339 52.6 / 1336 52.6 / 1336
Rear 51.9 / 1318 49.9 / 1267 45.8 /1163

Cargo Volume Sedan Coupe Convertible
EPA passenger volume (cu ft / L) 110.1 / 3117 110.1 / 3117 89.3 / 2529 (top up)
85.3 / 2415 (top down)
EPA interior volume (cu ft / L) 96.1 / 2721 90.1 / 2551 83.5 / 2364
Cargo volume (cu ft / L) 14 / 396 12 / 340 12.6 / 357 (top up)
5.8 / 164 (top down)
Trailer towing maximum (lb / kg) 1000 / 454 ( 4-cyl. and 6-cyl.) 1000 / 454 not recommended
Fuel tank (gal / L) 16.4 / 64 16.4 / 64 16.4 / 64
Engine oil (qt / L) 2.4L TBD - -
3.5L 4.5 / 4.3 4.5 / 4.3 4.5 / 4.3
3.6L 5.0 / 4.7 5.0 / 4.7 5.0 / 4.7
Cooling system (qt / L) 2.4L TBD - -
3.5L 11.7 / 11.1 11.7 / 11.1 11.7 / 11.1
3.6L 11.6 / 11 11.6 / 11 11.6 / 11

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