2005 Audi A8 vs. 2002 Pontiac Grand Am
To start off, 2005 Audi A8 is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Pontiac Grand Am. In addition, the cost of maintenance, including insurance, on 2002 Pontiac Grand Am would be higher. At 4,178 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (335 HP @ 4000 RPM) has 159 more horse power than 2002 Pontiac Grand Am. (176 HP @ 4800 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2002 Pontiac Grand Am. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 539 kg more than 2002 Pontiac Grand Am. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi A8 (430 Nm) has 152 more torque (in Nm) than 2002 Pontiac Grand Am. (278 Nm). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2002 Pontiac Grand Am.
Compare all specifications:
| 2005 Audi A8 | 2002 Pontiac Grand Am | |
| Make | Audi | Pontiac |
| Model | A8 | Grand Am |
| Year Released | 2005 | 2002 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4178 cc | 3350 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 335 HP | 176 HP |
| Engine RPM | 4000 RPM | 4800 RPM |
| Torque | 430 Nm | 278 Nm |
| Engine Bore Size | 85 mm | 92 mm |
| Engine Stroke Size | 93 mm | 84 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1945 kg | 1406 kg |
| Vehicle Length | 5060 mm | 4740 mm |
| Vehicle Width | 1900 mm | 1790 mm |
| Vehicle Height | 1450 mm | 1410 mm |
| Wheelbase Size | 2950 mm | 2750 mm |
| Fuel Tank Capacity | 90 L | 54 L |
