2005 Audi A4 vs. 2008 BMW Z4
To start off, 2008 BMW Z4 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 2,976 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (218 HP @ 6300 RPM) has 43 more horse power than 2008 BMW Z4. (175 HP @ 5800 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2008 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 110 kg more than 2008 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 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 2008 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A4 (300 Nm @ 3200 RPM) has 70 more torque (in Nm) than 2008 BMW Z4. (230 Nm @ 3500 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4. 2005 Audi A4 has automatic transmission and 2008 BMW Z4 has manual transmission. 2008 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A4 | 2008 BMW Z4 | |
| Make | Audi | BMW |
| Model | A4 | Z4 |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 218 HP | 175 HP |
| Engine RPM | 6300 RPM | 5800 RPM |
| Torque | 300 Nm | 230 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Engine Bore Size | 82.5 mm | 82 mm |
| Engine Stroke Size | 92.8 mm | 78.8 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Top Speed | 238 km/hour | 229 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 6.5 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1460 kg | 1350 kg |
| Wheelbase Size | 2770 mm | 2500 mm |
| Fuel Consumption Overall | 9.4 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
