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) |
| 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 |
| 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 |
Car Reviews
2009
Pontiac G6 - Review
2009
Pontiac G6 - Price Quote
