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 2,494 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (215 HP @ 6500 RPM) has 37 more horse power than 2005 Audi A4. (178 HP @ 4000 RPM) In normal driving conditions, 2008 BMW Z4 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 300 kg more than 2008 BMW Z4.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW Z4. 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 (370 Nm) has 120 more torque (in Nm) than 2008 BMW Z4. (250 Nm). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4.
Compare all specifications:
| 2005 Audi A4 | 2008 BMW Z4 | |
| Make | Audi | BMW |
| Model | A4 | Z4 |
| Year Released | 2005 | 2008 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2392 cc | 2494 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 215 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 370 Nm | 250 Nm |
| Engine Compression Ratio | 19.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 223 km/hour | 222 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 7.5 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1590 kg | 1290 kg |
| Vehicle Length | 4550 mm | 4100 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2770 mm | 2500 mm |
| Fuel Consumption Overall | 7.6 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 66 L | 55 L |
