2008 Audi A4 vs. 2007 BMW Z4
To start off, 2008 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW Z4. In addition, the cost of maintenance, including insurance, on 2007 BMW Z4 would be higher. At 3,123 cc (6 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (255 HP @ 6500 RPM) has 66 more horse power than 2007 BMW Z4. (189 HP @ 6000 RPM). In normal driving conditions, 2008 Audi A4 should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 100 kg more than 2008 Audi A4.
Because 2008 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi A4 (330 Nm @ 3250 RPM) has 85 more torque (in Nm) than 2007 BMW Z4. (245 Nm @ 3500 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2008 Audi A4 | 2007 BMW Z4 | |
| Make | Audi | BMW |
| Model | A4 | Z4 |
| Year Released | 2008 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2494 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 189 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 330 Nm | 245 Nm |
| Torque RPM | 3250 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 75 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1160 kg | 1260 kg |
| Vehicle Length | 4590 mm | 4100 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2660 mm | 2500 mm |
| Fuel Consumption Overall | 12.4 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 63 L | 55 L |
