2009 Audi A4 vs. 1999 BMW X5
To start off, 2009 Audi A4 is newer by 10 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 4,398 cc (8 cylinders), 1999 BMW X5 is equipped with a bigger engine. In terms of performance, 1999 BMW X5 (282 HP @ 5400 RPM) has 71 more horse power than 2009 Audi A4. (211 HP @ 4300 RPM) In normal driving conditions, 1999 BMW X5 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW X5 weights approximately 1254 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 1999 BMW X5 (439 Nm @ 3600 RPM) has 89 more torque (in Nm) than 2009 Audi A4. (350 Nm @ 1500 RPM). This means 1999 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
| 2009 Audi A4 | 1999 BMW X5 | |
| Make | Audi | BMW |
| Model | A4 | X5 |
| Year Released | 2009 | 1999 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 211 HP | 282 HP |
| Engine RPM | 4300 RPM | 5400 RPM |
| Torque | 350 Nm | 439 Nm |
| Torque RPM | 1500 RPM | 3600 RPM |
| Engine Bore Size | 82.5 mm | 92 mm |
| Engine Stroke Size | 92.8 mm | 82.7 mm |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 930 kg | 2184 kg |
| Vehicle Length | 4710 mm | 4670 mm |
| Vehicle Width | 1840 mm | 1880 mm |
| Vehicle Height | 1440 mm | 1710 mm |
| Wheelbase Size | 2820 mm | 2730 mm |
| Fuel Consumption | 8.7 L/100km | 11.1 L/100km |
| Fuel Consumption City | 11.2 L/100km | 18.8 L/100km |
| Fuel Consumption Overall | 10.2 L/100km | 13.9 L/100km |
| Fuel Tank Capacity | 70 L | 93 L |
