2009 Audi A6 vs. 1991 Rover 820
To start off, 2009 Audi A6 is newer by 18 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 42 more horse power than 2009 Audi A6. (138 HP @ 4000 RPM) In normal driving conditions, 1991 Rover 820 should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 1991 Rover 820 weights approximately 133 kg more than 2009 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 A6 (321 Nm @ 1750 RPM) has 106 more torque (in Nm) than 1991 Rover 820. (215 Nm @ 2000 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Rover 820.
Compare all specifications:
| 2009 Audi A6 | 1991 Rover 820 | |
| Make | Audi | Rover |
| Model | A6 | 820 |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 180 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 321 Nm | 215 Nm |
| Torque RPM | 1750 RPM | 2000 RPM |
| Engine Bore Size | 81 mm | 84.5 mm |
| Engine Stroke Size | 95.5 mm | 89 mm |
| Top Speed | 227 km/hour | 217 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1275 kg | 1408 kg |
| Vehicle Length | 4800 mm | 4890 mm |
| Vehicle Width | 1820 mm | 1740 mm |
| Vehicle Height | 1460 mm | 1400 mm |
| Wheelbase Size | 2770 mm | 2780 mm |
| Fuel Tank Capacity | 70 L | 68 L |
