2005 Audi A4 vs. 1991 Rover 820
To start off, 2005 Audi A4 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Rover 820. In addition, the cost of maintenance, including insurance, on 1991 Rover 820 would be higher. At 1,994 cc (4 cylinders), 1991 Rover 820 is equipped with a bigger engine. In terms of performance, 1991 Rover 820 (180 HP @ 6000 RPM) has 9 more horse power than 2005 Audi A4. (171 HP @ 6200 RPM) In normal driving conditions, 1991 Rover 820 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 252 kg more than 1991 Rover 820.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Rover 820. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A4 (225 Nm) has 10 more torque (in Nm) than 1991 Rover 820. (215 Nm). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Rover 820.
Compare all specifications:
| 2005 Audi A4 | 1991 Rover 820 | |
| Make | Audi | Rover |
| Model | A4 | 820 |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1786 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 171 HP | 180 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 225 Nm | 215 Nm |
| Engine Bore Size | 81 mm | 84.5 mm |
| Engine Stroke Size | 86 mm | 89 mm |
| Engine Compression Ratio | 9.3:1 | 8.5:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1660 kg | 1408 kg |
| Vehicle Length | 4550 mm | 4890 mm |
| Vehicle Width | 1770 mm | 1740 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2770 mm | 2780 mm |
| Fuel Tank Capacity | 63 L | 68 L |
