2008 Audi A4 vs. 1999 BMW Z9
To start off, 2008 Audi A4 is newer by 9 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 4,397 cc (8 cylinders), 1999 BMW Z9 is equipped with a bigger engine. In terms of performance, 1999 BMW Z9 (242 HP @ 7400 RPM) has 45 more horse power than 2008 Audi A4. (197 HP @ 5100 RPM) In normal driving conditions, 1999 BMW Z9 should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW Z9 weights approximately 470 kg more than 2008 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1999 BMW Z9. 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, 1999 BMW Z9 (560 Nm @ 1750 RPM) has 280 more torque (in Nm) than 2008 Audi A4. (280 Nm @ 1800 RPM). This means 1999 BMW Z9 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4.
Compare all specifications:
| 2008 Audi A4 | 1999 BMW Z9 | |
| Make | Audi | BMW |
| Model | A4 | Z9 |
| Year Released | 2008 | 1999 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 4397 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 197 HP | 242 HP |
| Engine RPM | 5100 RPM | 7400 RPM |
| Torque | 280 Nm | 560 Nm |
| Torque RPM | 1800 RPM | 1750 RPM |
| Engine Compression Ratio | 11.5:1 | 18.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1160 kg | 1630 kg |
| Vehicle Length | 4550 mm | 5010 mm |
| Vehicle Width | 1780 mm | 1980 mm |
| Vehicle Height | 1430 mm | 1350 mm |
| Wheelbase Size | 2660 mm | 3060 mm |
