2006 Audi A4 vs. 2001 BMW Z18
To start off, 2006 Audi A4 is newer by 5 year(s). Which means there will be less support and parts availability for 2001 BMW Z18. In addition, the cost of maintenance, including insurance, on 2001 BMW Z18 would be higher. At 4,400 cc (8 cylinders), 2001 BMW Z18 is equipped with a bigger engine. In terms of performance, 2001 BMW Z18 (323 HP @ 7400 RPM) has 68 more horse power than 2006 Audi A4. (255 HP @ 6500 RPM) In normal driving conditions, 2001 BMW Z18 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2001 BMW Z18 weights approximately 425 kg more than 2006 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2001 BMW Z18 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi A4. In wet, icy, snow, or gravel driving conditions, 2001 BMW Z18 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, 2001 BMW Z18 (340 Nm) has 10 more torque (in Nm) than 2006 Audi A4. (330 Nm). This means 2001 BMW Z18 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2006 Audi A4 | 2001 BMW Z18 | |
| Make | Audi | BMW |
| Model | A4 | Z18 |
| Year Released | 2006 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 3130 cc | 4400 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 255 HP | 323 HP |
| Engine RPM | 6500 RPM | 7400 RPM |
| Torque | 330 Nm | 340 Nm |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1275 kg | 1700 kg |
| Wheelbase Size | 2660 mm | 2730 mm |
| Fuel Tank Capacity | 63 L | 63 L |
