2005 Audi A4 vs. 1990 BMW 518
To start off, 2005 Audi A4 is newer by 15 year(s). Which means there will be less support and parts availability for 1990 BMW 518. In addition, the cost of maintenance, including insurance, on 1990 BMW 518 would be higher. At 1,984 cc (4 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (129 HP @ 4000 RPM) has 16 more horse power than 1990 BMW 518. (113 HP @ 5500 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1990 BMW 518. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 180 kg more than 1990 BMW 518. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1990 BMW 518. In wet, icy, snow, or gravel driving conditions, 2005 Audi A4 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 Audi A4 (310 Nm @ 1900 RPM) has 149 more torque (in Nm) than 1990 BMW 518. (161 Nm @ 4250 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1990 BMW 518.
Compare all specifications:
| 2005 Audi A4 | 1990 BMW 518 | |
| Make | Audi | BMW |
| Model | A4 | 518 |
| Year Released | 2005 | 1990 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1794 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 129 HP | 113 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 310 Nm | 161 Nm |
| Torque RPM | 1900 RPM | 4250 RPM |
| Engine Bore Size | 79.5 mm | 84 mm |
| Engine Stroke Size | 95.5 mm | 81 mm |
| Engine Compression Ratio | 19.0:1 | 8.8:1 |
| Top Speed | 202 km/hour | 194 km/hour |
| Acceleration 0-100mph | 10.6 seconds | 12.4 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1360 kg |
| Vehicle Length | 4550 mm | 4730 mm |
| Vehicle Width | 1780 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2770 mm |
| Fuel Tank Capacity | 66 L | 80 L |
