2007 Audi A4 vs. 1999 BMW Z9
To start off, 2007 Audi A4 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 BMW Z9. In addition, the cost of maintenance, including insurance, on 1999 BMW Z9 would be higher. At 3,901 cc (8 cylinders), 1999 BMW Z9 is equipped with a bigger engine. In terms of performance, 1999 BMW Z9 (242 HP @ 4000 RPM) has 42 more horse power than 2007 Audi A4. (200 HP @ 5100 RPM) In normal driving conditions, 1999 BMW Z9 should accelerate faster than 2007 Audi A4.
Because 1999 BMW Z9 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1999 BMW Z9. However, in wet, icy, snow, or gravel driving conditions, 2007 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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, 1999 BMW Z9 (560 Nm @ 1750 RPM) has 278 more torque (in Nm) than 2007 Audi A4. (282 Nm @ 1800 RPM). This means 1999 BMW Z9 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 1999 BMW Z9 | |
| Make | Audi | BMW |
| Model | A4 | Z9 |
| Year Released | 2007 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 3901 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 200 HP | 242 HP |
| Engine RPM | 5100 RPM | 4000 RPM |
| Torque | 282 Nm | 560 Nm |
| Torque RPM | 1800 RPM | 1750 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | Rear |
| Number of Seats | 4 seats | 2 seats |
| Vehicle Length | 4580 mm | 5010 mm |
| Vehicle Width | 1780 mm | 2010 mm |
| Vehicle Height | 1400 mm | 1360 mm |
| Wheelbase Size | 2660 mm | 3110 mm |
