2007 Audi A4 vs. 2007 BMW Z4
To start off, both 2007 Audi A4 and 2007 BMW Z4 were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,996 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (255 HP @ 6600 RPM) has 55 more horse power than 2007 Audi A4. (200 HP @ 5100 RPM) In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 92 kg more than 2007 BMW Z4.
Because 2007 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, 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 BMW Z4 (298 Nm @ 2750 RPM) has 17 more torque (in Nm) than 2007 Audi A4. (281 Nm @ 1800 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2007 BMW Z4 | |
| Make | Audi | BMW |
| Model | A4 | Z4 |
| Year Released | 2007 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 200 HP | 255 HP |
| Engine RPM | 5100 RPM | 6600 RPM |
| Torque | 281 Nm | 298 Nm |
| Torque RPM | 1800 RPM | 2750 RPM |
| Engine Bore Size | 82.5 mm | 85 mm |
| Engine Stroke Size | 92.8 mm | 88 mm |
| Engine Compression Ratio | 10.5:1 | 10.7:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1490 kg | 1398 kg |
| Vehicle Length | 4590 mm | 4100 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2660 mm | 2500 mm |
| Fuel Consumption | 7.6 L/100km | 7.8 L/100km |
| Fuel Consumption City | 10.7 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 63 L | 55 L |
