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 3,199 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (358 HP @ 7900 RPM) has 106 more horse power than 2007 Audi A4. (252 HP @ 5100 RPM) In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2007 Audi A4.
Let's talk about torque, 2007 BMW Z4 (385 Nm @ 4900 RPM) has 55 more torque (in Nm) than 2007 Audi A4. (330 Nm @ 3250 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 | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 3199 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 358 HP |
| Engine RPM | 5100 RPM | 7900 RPM |
| Torque | 330 Nm | 385 Nm |
| Torque RPM | 3250 RPM | 4900 RPM |
| Engine Compression Ratio | 12.5:1 | 11.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 273 km/hour |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4580 mm | 4100 mm |
| Vehicle Width | 1400 mm | 1790 mm |
| Vehicle Height | 1780 mm | 1300 mm |
| Wheelbase Size | 2660 mm | 2500 mm |
