2005 Audi A8 vs. 1999 BMW 845
To start off, 2005 Audi A8 is newer by 6 year(s). Which means there will be less support and parts availability for 1999 BMW 845. In addition, the cost of maintenance, including insurance, on 1999 BMW 845 would be higher. At 4,398 cc (8 cylinders), 1999 BMW 845 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (335 HP @ 4000 RPM) has 53 more horse power than 1999 BMW 845. (282 HP @ 5700 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 1999 BMW 845. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 195 kg more than 1999 BMW 845. 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 10 more torque (in Nm) than 1999 BMW 845. (420 Nm). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1999 BMW 845.
Compare all specifications:
| 2005 Audi A8 | 1999 BMW 845 | |
| Make | Audi | BMW |
| Model | A8 | 845 |
| Year Released | 2005 | 1999 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4178 cc | 4398 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 335 HP | 282 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 430 Nm | 420 Nm |
| Engine Bore Size | 85 mm | 92 mm |
| Engine Stroke Size | 93 mm | 82.7 mm |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1945 kg | 1750 kg |
| Vehicle Length | 5060 mm | 4790 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1450 mm | 1350 mm |
| Wheelbase Size | 2950 mm | 2690 mm |
