2007 Audi A4 vs. 2008 BMW Z4
To start off, 2008 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 3,246 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (338 HP @ 7900 RPM) has 116 more horse power than 2007 Audi A4. (222 HP @ 4000 RPM) In normal driving conditions, 2008 BMW Z4 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW Z4 weights approximately 220 kg more than 2007 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 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, 2007 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, 2007 Audi A4 (450 Nm @ 1400 RPM) has 85 more torque (in Nm) than 2008 BMW Z4. (365 Nm @ 4900 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4.
Compare all specifications:
| 2007 Audi A4 | 2008 BMW Z4 | |
| Make | Audi | BMW |
| Model | A4 | Z4 |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 3246 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 222 HP | 338 HP |
| Engine RPM | 4000 RPM | 7900 RPM |
| Torque | 450 Nm | 365 Nm |
| Torque RPM | 1400 RPM | 4900 RPM |
| Engine Bore Size | 83 mm | 87 mm |
| Engine Stroke Size | 91.4 mm | 91 mm |
| Engine Compression Ratio | 17.0:1 | 11.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 235 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.5 seconds | 5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1275 kg | 1495 kg |
| Vehicle Length | 4590 mm | 4870 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2500 mm |
| Fuel Consumption Overall | 7.6 L/100km | 12.3 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
