2006 Audi A4 vs. 2006 BMW Z4
To start off, both 2006 Audi A4 and 2006 BMW Z4 were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,496 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (189 HP @ 6000 RPM) has 28 more horse power than 2006 Audi A4. (161 HP @ 4000 RPM) In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 385 kg more than 2006 BMW Z4.
Because 2006 BMW Z4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2006 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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 (350 Nm @ 1500 RPM) has 105 more torque (in Nm) than 2006 BMW Z4. (245 Nm @ 3500 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 Audi A4 | 2006 BMW Z4 | |
| Make | Audi | BMW |
| Model | A4 | Z4 |
| Year Released | 2006 | 2006 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2492 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 161 HP | 189 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 350 Nm | 245 Nm |
| Torque RPM | 1500 RPM | 3500 RPM |
| Engine Compression Ratio | 18.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 220 km/hour | 235 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 7 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1720 kg | 1335 kg |
| Vehicle Length | 4580 mm | 4100 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1310 mm |
| Wheelbase Size | 2660 mm | 2500 mm |
| Fuel Consumption Overall | 7.3 L/100km | 9 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
