2005-2008 Pontiac G6: Technical Specifications
Updated: 11/23/08
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Specs for this generation Pontiac G6 include everything from fuel mileage to seating capacity to options availability.
Vehicle Dimensions
| Specification | 2-door convertible | 2-door coupe | 4-door sedan |
| Wheelbase, in. | 112.3 | 112.3 | 112.3 |
| Overall Length, in. | 189.0 | 189.0 | 189.0 |
| Overall Width, in. | 70.6 | 70.6 | 70.6 |
| Overall Height, in. | 57.0 | 57.0 | 57.0 |
| Curb Weight, lbs. | 818 | 3380 | 3380 |
| Cargo Volume, cu. ft. | 5.8 | 11.0 | 14.0 |
| Standard Payload, lbs. | -- | -- | -- |
| Fuel Capacity, gals. | 16.4 | 16.4 | 16.4 |
| Seating Capacity | 4 | 4 | 5 |
| Front Head Room, in. | 38.4 | 38.9 | 39.5 |
| Max. Front Leg Room, in. | 42.2 | 42.2 | 42.2 |
| Rear Head Room, in. | 36.1 | 36.3 | 36.3 |
| Max. Rear Leg Room, in. | 34.2 | 35.8 | 37.6 |
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Specifications Key: NA = not available; "--" = measurement does not exist. |
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Powertrain Options and Availability
2005 G6 models had a 200-hp 3.5-liter V6 and 4-speed automatic transmission. This powertrain carried into 2006, joined by a 167-hp 2.4-liter 4-cyl engine and automatic transmission on 1SV and base models. The 2006 G6 GTP had a 240-hp 3.9-liter V6 and standard 4-speed automatic transmission or optional 6-speed manual. For 2007, GTs have a 3.5-liter V6 rated at 224 hp in the sedan and coupe, 217 hp in the convertible. It had 201 hp for 2006. For '07, GTPs trade that 3.9-liter for a 252-hp 3.6-liter V6.
| Engines | cu. in |
Horse- power | Torque | Transmission: |
Consumer Guide Observed |
| ohv V6 | 3.6 / 217 | 252 | 251 | 6-speed automatic: 20/28 | 6-speed automatic: -- |
| dohc I4 | 2.4 / 145 | 167 | 162 | 4-speed automatic: 23/32 | 4-speed automatic: -- |
| ohv V6 | 3.5 / 213 | 200-224 | 221 | 4-speed automatic: 21/29 | 4-speed automatic: 19.5 |
| ohv V6 | 3.9 / 237 | 240 | 241 | 6-speed manual: 18/26 4-speed automatic: 18/24 |
6-speed manual: 19.1 4-speed automatic: -- |
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Specifications Key: NA = not available; "--" = measurement does not exist. |
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Built In: USA
Drive Wheels: transverse front-engine/front-wheel drive
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