2005 Audi A8 vs. 2008 BMW 328
To start off, 2008 BMW 328 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 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 104 more horse power than 2008 BMW 328. (231 HP @ 6500 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2008 BMW 328. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 430 kg more than 2008 BMW 328. 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 159 more torque (in Nm) than 2008 BMW 328. (271 Nm). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 328.
Compare all specifications:
| 2005 Audi A8 | 2008 BMW 328 | |
| Make | Audi | BMW |
| Model | A8 | 328 |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4178 cc | 3001 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 335 HP | 231 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 430 Nm | 271 Nm |
| Engine Compression Ratio | 11.0:1 | 10.7:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1945 kg | 1515 kg |
| Vehicle Length | 5060 mm | 4530 mm |
| Vehicle Width | 1900 mm | 1820 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 2950 mm | 2770 mm |
| Fuel Consumption Highway | 9.8 L/100km | 8.4 L/100km |
| Fuel Consumption City | 13.1 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 90 L | 61 L |
