2009 Audi A4 vs. 2000 Caterham 21
To start off, 2009 Audi A4 is newer by 9 year(s). Which means there will be less support and parts availability for 2000 Caterham 21. In addition, the cost of maintenance, including insurance, on 2000 Caterham 21 would be higher. At 1,794 cc (4 cylinders), 2000 Caterham 21 is equipped with a bigger engine. In terms of performance, 2000 Caterham 21 (230 HP @ 8600 RPM) has 69 more horse power than 2009 Audi A4. (161 HP @ 5700 RPM) In normal driving conditions, 2000 Caterham 21 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 850 kg more than 2000 Caterham 21.
Because 2000 Caterham 21 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 2000 Caterham 21. However, in wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A4 (225 Nm @ 1950 RPM) has 15 more torque (in Nm) than 2000 Caterham 21. (210 Nm @ 7200 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2000 Caterham 21.
Compare all specifications:
| 2009 Audi A4 | 2000 Caterham 21 | |
| Make | Audi | Caterham |
| Model | A4 | 21 |
| Year Released | 2009 | 2000 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1794 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 161 HP | 230 HP |
| Engine RPM | 5700 RPM | 8600 RPM |
| Torque | 225 Nm | 210 Nm |
| Torque RPM | 1950 RPM | 7200 RPM |
| Engine Bore Size | 81.1 mm | 80 mm |
| Engine Stroke Size | 86.4 mm | 89.3 mm |
| Engine Compression Ratio | 9.3:1 | 11.5:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1390 kg | 540 kg |
| Vehicle Length | 4590 mm | 3860 mm |
| Vehicle Width | 1780 mm | 1590 mm |
| Wheelbase Size | 2650 mm | 2230 mm |
| Fuel Tank Capacity | 70 L | 100 L |
