1999 Audi A6 vs. 2005 BMW X5
To start off, 2005 BMW X5 is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Audi A6. In addition, the cost of maintenance, including insurance, on 1999 Audi A6 would be higher. At 2,979 cc (6 cylinders), 2005 BMW X5 is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (229 HP @ 5900 RPM) has 80 more horse power than 1999 Audi A6. (149 HP @ 5700 RPM) In normal driving conditions, 2005 BMW X5 should accelerate faster than 1999 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 690 kg more than 1999 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Audi A6. In wet, icy, snow, or gravel driving conditions, 2005 BMW X5 will offer significantly more control. 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 BMW X5 (300 Nm @ 3500 RPM) has 90 more torque (in Nm) than 1999 Audi A6. (210 Nm @ 1750 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A6.
Compare all specifications:
| 1999 Audi A6 | 2005 BMW X5 | |
| Make | Audi | BMW |
| Model | A6 | X5 |
| Year Released | 1999 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 149 HP | 229 HP |
| Engine RPM | 5700 RPM | 5900 RPM |
| Torque | 210 Nm | 300 Nm |
| Torque RPM | 1750 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 89.6 mm |
| Engine Compression Ratio | 9.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 217 km/hour | 210 km/hour |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1380 kg | 2070 kg |
| Vehicle Length | 4800 mm | 4670 mm |
| Vehicle Width | 1820 mm | 1880 mm |
| Vehicle Height | 1460 mm | 1770 mm |
| Wheelbase Size | 2850 mm | 2730 mm |
| Fuel Consumption Overall | 13 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 93 L |
