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2009 Pontiac G8 - Specs

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2009 Pontiac G8 - Review
2009 Pontiac G8 - Photos
2009 Pontiac Reviews
2009 Pontiac G8 - Price Quote

Visit Pontiac for more information on the Pontiac G8.

Engine Specs
Transmission Specs
Exterior Dimensions
Interior Dimensions
Capacities

Dimensions and capacities are in inches unless otherwise specified.

Model Lineup	Engines			Transmissions
Model Lineup	3.6L V6 with VVT	6.0L V8 with AFM	6.2L V8	5L40 5-speed automatic	6L80 6-speed automatic	TR6060 6-speed manual
G8	Standard	-	-	Standard	-	-
G8 GT	-	Standard	-	-	Standard	-
G8 GXP	-	-	Standard	-	Standard	Manual

Engines	3.6L V6 (LY7)	6.0L V8 (L76)	6.2L V8 (LS3)
Application	G8	G8 GT	G8 GXP
Type	3.6L V6	6.0L V8	6.2L V8
Displacement (cu in / cc)	217 / 3564	364 / 5967	376 / 6162
Bore & stroke (in / mm)	3.70 x 3.37 / 94 x 85.6	3.99 x 3.62 / 101.3 x 92	4.06 x 3.62 / 103.25 x 92
Block material	cast aluminum w/ cast-in-place iron bore liners	cast aluminum w/ cast-in-place iron bore liners	cast aluminum w/ cast-in-place iron bore liners
Cylinder head material	aluminum	aluminum	aluminum
Valvetrain	dual overhead camshafts, 4 valves per cylinder, continuously variable valve timing	valve-in-head; 2 valves per cylinder; roller lifters; Active Fuel Management	valve-in-head; 2 valves per cylinder; roller lifters
Ignition system	electronic individual coil-on-plug; individual cylinder knock control and extended-life platinum-tipped spark plugs	high-energy distributorless ignition; solid state direct-fire ignition w/ coil near plug and integrated ignition	high-energy distributorless ignition; solid state direct-fire ignition w/ coil near plug and integrated ignition
Fuel delivery	returnless, multi-port fuel injection	returnless, multi-port fuel injection	returnless, multi-port fuel injection
Compression ratio	10.2:1	10.4:1	10.7:1
Horsepower (hp / kw @ rpm)	256 / 190 @ 6300 rpm	361 / 268 @ 5300	402 / 300 @ 6000
Torque (lb-ft / Nm @ rpm)	248 / 336 @ 2100 rpm	385 / 520 @ 4400	402 / 546 @ 4400 (est. w/ auto. trans.)
Torque (lb-ft / Nm @ rpm)	248 / 336 @ 2100 rpm	385 / 520 @ 4400	400 / 546 @ 4400 (est. w/ man. trans.)
Recommended fuel	regular unleaded	regular unleaded	premium unleaded
Max engine speed (fuel cut-off)	6900	6000	6600
Emissions controls	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	evaporative system, close-coupled catalytic converters, positive crankcase ventilation, electronic throttle control	evaporative system, close-coupled catalytic converters, positive crankcase ventilation, electronic throttle control
Estimated fuel economy (city / hwy)	17 / 25	15 / 24	TBD

Transmission	Hydra-Matic 5L40 5-speed automatic	Hydra-Matic 6L80 6-speed automatic	TR6060 6-speed manual
Gear ratios (:1):
1st	3.42	4.03	3.01
2nd	2.21	2.36	2.07
3rd	1.60	1.53	1.43
4th	1.00	1.15	1.00
5th	0.75	0.85	0.84
6th	-	0.67	0.57
Reverse	3.02	3.06	3.28
Final Drive Ratio	2.92	2.92 (GT)	3.70 (GXP)
Final Drive Ratio	2.92	3.27 (GXP)	3.70 (GXP)

Chassis / Suspension	2009 Pontiac G8
Front	multi-link MacPherson strut; direct-acting stabilizer bar; progressive-rate coil springs; fully adjustable camber, caster and toe
Rear	four-link independent; progressive-rate coil springs over shocks; stabilizer bar; fully adjustable camber and toe
Steering Type	variable-ratio rack-and-pinion
Steering Ratio	46-53 mm per revolution
Steering wheel turns, lock-to-lock	2.8
Turning circle, curb-to-curb (ft / m)	37.4 / 11.4

Brakes		2009 Pontiac G8
Front		four-wheel disc w/ ABS; ventilated front and rear rotors; twin-piston front calipers (four-piston on GXP); single piston alloy rear calipers
Rotor diameter, front (in / mm)	G8	11.73 / 298
	G8 GT	12.64 / 321
	G8 GXP	14 / 355
Rotor diameter, rear (in / mm)	G8	11.89 / 302
	G8 GT	12.76 / 324
	G8 GXP	12.76 / 324
Rotor thickness, front (in / mm)	G8	1.18 / 30
	G8 GT	1.18 / 30
	G8 GXP	1.26 / 32
Rotor thickness, rear (in / mm)		0.86 / 22 (all models)

Wheels / Tires	G8	G8 GT	G8 GXP
Wheel size and type	18 x 8-inch painted aluminum	18 x 8-inch painted aluminum (std)	19 x 8-inch polished aluminum with machined face
Wheel size and type	18 x 8-inch painted aluminum	19 x 8-inch painted aluminum (opt)	19 x 8-inch polished aluminum with machined face
Tires	P245/45R18 all-season (summer tires opt.)	P245/45R18 summer (std.) P245/45R18 all-season (opt) P245/40R19 (opt)	P245/40R19 summer (std.); P245/40R19 all-season (opt)

Dimensions Exterior		2009 Pontiac G8
Wheelbase (in / mm)		114.8 / 2915
Overall length (in / mm)		196.1 / 4982
Overall width (in / mm)		74.8 / 1899
Overall height (in / mm)		57.7 / 1465
Track (in / mm)	Front	62.7 / 1592
	Rear	63.3 / 1608
Curb weight (lb / kg)	Base	3885 / 1762
	GT	3995 / 1812
	GXP	4050 / 1837

Interior	Front	Rear
Seating capacity (front / rear)	2	3
Headroom (in / mm)	38.7 / 989	38 / 965
Legroom (in / mm)	42.2 / 1071	39.4 / 1001
Shoulder room (in / mm)	59.1 / 1501	59.1 / 1500
Hip room (in / mm)	56.7 / 1439	58 / 1472

Capacities		2009 Pontiac G8
EPA interior volume (cu ft / L)		124.5 / 3528
Cargo volume (cu ft / L)		17.5 / 496
Passenger Volume (cu ft / L)	G8 and G8 GT	2000 / 907
Passenger Volume (cu ft / L)	G8 GXP	1000 / 454
Fuel tank (gal / L)		19.2 / 72.6
Passenger Volume (cu ft / L)	3.6L	7.6 / 7.2
	6.0L	8.9 / 8.5
	6.2L	8.9 / 8.5
Fuel tank (gal / L)	3.6L	10.8 / 10.2
	6.0L	11.4 / 10.8
	6.2L	11.3 / 10.7

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