2001 BMW Z18 vs. 2006 Audi A4
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 93 more horse power than 2006 Audi A4. (230 HP @ 4000 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. 2006 Audi A4 weights approximately 90 kg more than 2001 BMW Z18.
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, 2006 Audi A4 (451 Nm) has 111 more torque (in Nm) than 2001 BMW Z18. (340 Nm). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2001 BMW Z18.
Compare all specifications:
| 2001 BMW Z18 | 2006 Audi A4 | |
| Make | BMW | Audi |
| Model | Z18 | A4 |
| Year Released | 2001 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 4400 cc | 2967 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 323 HP | 230 HP |
| Engine RPM | 7400 RPM | 4000 RPM |
| Torque | 340 Nm | 451 Nm |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Vehicle Weight | 1700 kg | 1790 kg |
| Wheelbase Size | 2730 mm | 2660 mm |
| Fuel Tank Capacity | 63 L | 63 L |
