1999 BMW X5 vs. 2010 Audi A8
To start off, 2010 Audi A8 is newer by 11 year(s). Which means there will be less support and parts availability for 1999 BMW X5. In addition, the cost of maintenance, including insurance, on 1999 BMW X5 would be higher. At 4,200 cc (8 cylinders), 2010 Audi A8 is equipped with a bigger engine. In terms of performance, 2010 Audi A8 (350 HP @ 6800 RPM) has 160 more horse power than 1999 BMW X5. (190 HP @ 5300 RPM) In normal driving conditions, 2010 Audi A8 should accelerate faster than 1999 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2010 Audi A8 weights approximately 30 kg more than 1999 BMW X5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2010 Audi A8 (440 Nm @ 3500 RPM) has 159 more torque (in Nm) than 1999 BMW X5. (281 Nm @ 3950 RPM). This means 2010 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1999 BMW X5. 2010 Audi A8 has automatic transmission and 1999 BMW X5 has manual transmission. 1999 BMW X5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2010 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 BMW X5 | 2010 Audi A8 | |
| Make | BMW | Audi |
| Model | X5 | A8 |
| Year Released | 1999 | 2010 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2792 cc | 4200 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 190 HP | 350 HP |
| Engine RPM | 5300 RPM | 6800 RPM |
| Torque | 281 Nm | 440 Nm |
| Torque RPM | 3950 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1970 kg | 2000 kg |
| Vehicle Length | 4670 mm | 5192 mm |
| Vehicle Width | 1880 mm | 1895 mm |
| Vehicle Height | 1710 mm | 1455 mm |
| Wheelbase Size | 2830 mm | 3073 mm |
| Fuel Tank Capacity | 67 L | 90 L |
