2008 Chevrolet Impala vs. 2005 Pontiac GTO
To start off, 2008 Chevrolet Impala is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Pontiac GTO. In addition, the cost of maintenance, including insurance, on 2005 Pontiac GTO would be higher. At 5,965 cc (8 cylinders), 2005 Pontiac GTO is equipped with a bigger engine. In terms of performance, 2005 Pontiac GTO (400 HP @ 5200 RPM) has 189 more horse power than 2008 Chevrolet Impala. (211 HP @ 5800 RPM) In normal driving conditions, 2005 Pontiac GTO should accelerate faster than 2008 Chevrolet Impala. With that said, vehicle weight also plays an important factor in acceleration. 2005 Pontiac GTO weights approximately 615 kg more than 2008 Chevrolet Impala. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Pontiac GTO is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Pontiac GTO. However, in wet, icy, snow, or gravel driving conditions, 2008 Chevrolet Impala, being front wheel drive (FWD), will offer much better control with better grip. 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, 2005 Pontiac GTO (536 Nm) has 246 more torque (in Nm) than 2008 Chevrolet Impala. (290 Nm). This means 2005 Pontiac GTO will have an easier job in driving up hills or pulling heavy equipment than 2008 Chevrolet Impala.
Compare all specifications:
| 2008 Chevrolet Impala | 2005 Pontiac GTO | |
| Make | Chevrolet | Pontiac |
| Model | Impala | GTO |
| Year Released | 2008 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3505 cc | 5965 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 211 HP | 400 HP |
| Engine RPM | 5800 RPM | 5200 RPM |
| Torque | 290 Nm | 536 Nm |
| Engine Compression Ratio | 9.8:1 | 10.9:1 |
| Drive Type | Front | Rear |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1075 kg | 1690 kg |
| Vehicle Length | 5100 mm | 4830 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1500 mm | 1400 mm |
| Wheelbase Size | 2810 mm | 2800 mm |
| Fuel Tank Capacity | 64 L | 68 L |
