2003 Pontiac G6 vs. 2007 Pontiac G5
To start off, 2007 Pontiac G5 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Pontiac G6. In addition, the cost of maintenance, including insurance, on 2003 Pontiac G6 would be higher. At 3,392 cc (6 cylinders), 2003 Pontiac G6 is equipped with a bigger engine. In terms of performance, 2003 Pontiac G6 (286 HP @ 5600 RPM) has 138 more horse power than 2007 Pontiac G5. (148 HP @ 5800 RPM). In normal driving conditions, 2003 Pontiac G6 should accelerate faster than 2007 Pontiac G5.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2003 Pontiac G6 (369 Nm) has 163 more torque (in Nm) than 2007 Pontiac G5. (206 Nm). This means 2003 Pontiac G6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Pontiac G5. 2003 Pontiac G6 has automatic transmission and 2007 Pontiac G5 has manual transmission. 2007 Pontiac G5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Pontiac G6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Pontiac G6 | 2007 Pontiac G5 | |
| Make | Pontiac | Pontiac |
| Model | G6 | G5 |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3392 cc | 2199 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 286 HP | 148 HP |
| Engine RPM | 5600 RPM | 5800 RPM |
| Torque | 369 Nm | 206 Nm |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4690 mm | 4570 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1330 mm | 1420 mm |
| Wheelbase Size | 2950 mm | 2640 mm |
