2009 Audi A3 vs. 1999 BMW Z9
To start off, 2009 Audi A3 is newer by 10 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 104 more horse power than 2009 Audi A3. (138 HP @ 4000 RPM) In normal driving conditions, 1999 BMW Z9 should accelerate faster than 2009 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW Z9 weights approximately 125 kg more than 2009 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A3 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, 2009 Audi A3 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 240 more torque (in Nm) than 2009 Audi A3. (320 Nm @ 1750 RPM). This means 1999 BMW Z9 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A3.
Compare all specifications:
| 2009 Audi A3 | 1999 BMW Z9 | |
| Make | Audi | BMW |
| Model | A3 | Z9 |
| Year Released | 2009 | 1999 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 4397 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 138 HP | 242 HP |
| Engine RPM | 4000 RPM | 7400 RPM |
| Torque | 320 Nm | 560 Nm |
| Torque RPM | 1750 RPM | 1750 RPM |
| Engine Compression Ratio | 18.0:1 | 18.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1505 kg | 1630 kg |
| Vehicle Length | 4220 mm | 5010 mm |
| Vehicle Width | 1770 mm | 1980 mm |
| Vehicle Height | 1430 mm | 1350 mm |
| Wheelbase Size | 2580 mm | 3060 mm |
