2003 Audi A8 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 Audi A8. In addition, the cost of maintenance, including insurance, on 2003 Audi A8 would be higher. At 3,936 cc (8 cylinders), 2003 Audi A8 is equipped with a bigger engine. In terms of performance, 2003 Audi A8 (272 HP @ 3750 RPM) has 124 more horse power than 2007 Pontiac G5. (148 HP @ 5800 RPM). In normal driving conditions, 2003 Audi A8 should accelerate faster than 2007 Pontiac G5.
Because 2003 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Pontiac G5. In wet, icy, snow, or gravel driving conditions, 2003 Audi A8 will offer significantly more control. 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 Audi A8 (650 Nm @ 1800 RPM) has 444 more torque (in Nm) than 2007 Pontiac G5. (206 Nm @ 5200 RPM). This means 2003 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Pontiac G5. 2003 Audi A8 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 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Audi A8 | 2007 Pontiac G5 | |
| Make | Audi | Pontiac |
| Model | A8 | G5 |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 2199 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 272 HP | 148 HP |
| Engine RPM | 3750 RPM | 5800 RPM |
| Torque | 650 Nm | 206 Nm |
| Torque RPM | 1800 RPM | 5200 RPM |
| Engine Bore Size | 81 mm | 86.1 mm |
| Engine Stroke Size | 95.5 mm | 94.5 mm |
| Engine Compression Ratio | 17.5:1 | 10.0:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5190 mm | 4570 mm |
| Vehicle Width | 1900 mm | 1720 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 3080 mm | 2640 mm |
