1999 Audi A4 vs. 2003 BMW X3
To start off, 2003 BMW X3 is newer by 4 year(s). Which means there will be less support and parts availability for 1999 Audi A4. In addition, the cost of maintenance, including insurance, on 1999 Audi A4 would be higher. At 2,492 cc (6 cylinders), 2003 BMW X3 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (248 HP @ 4150 RPM) has 63 more horse power than 2003 BMW X3. (185 HP @ 6000 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 2003 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 410 kg more than 1999 Audi A4.
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 Audi A4 (339 Nm @ 1900 RPM) has 94 more torque (in Nm) than 2003 BMW X3. (245 Nm @ 3500 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X3. 2003 BMW X3 has automatic transmission and 1999 Audi A4 has manual transmission. 1999 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi A4 | 2003 BMW X3 | |
| Make | Audi | BMW |
| Model | A4 | X3 |
| Year Released | 1999 | 2003 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 2492 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 248 HP | 185 HP |
| Engine RPM | 4150 RPM | 6000 RPM |
| Torque | 339 Nm | 245 Nm |
| Torque RPM | 1900 RPM | 3500 RPM |
| Engine Bore Size | 79.5 mm | 84 mm |
| Engine Stroke Size | 95.5 mm | 75 mm |
| Engine Compression Ratio | 19.5:1 | 10.5:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1430 kg | 1840 kg |
| Vehicle Length | 4480 mm | 4570 mm |
| Vehicle Width | 1740 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1680 mm |
| Wheelbase Size | 2610 mm | 2800 mm |
| Fuel Tank Capacity | 60 L | 67 L |
