2004 Audi A4 vs. 1986 Rover 825i
To start off, 2004 Audi A4 is newer by 18 year(s). Which means there will be less support and parts availability for 1986 Rover 825i. In addition, the cost of maintenance, including insurance, on 1986 Rover 825i would be higher. At 2,493 cc (6 cylinders), 1986 Rover 825i is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (187 HP @ 5100 RPM) has 17 more horse power than 1986 Rover 825i. (170 HP @ 6000 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 1986 Rover 825i. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 184 kg more than 1986 Rover 825i. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1986 Rover 825i. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Audi A4 (280 Nm @ 1800 RPM) has 63 more torque (in Nm) than 1986 Rover 825i. (217 Nm @ 5000 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Rover 825i.
Compare all specifications:
| 2004 Audi A4 | 1986 Rover 825i | |
| Make | Audi | Rover |
| Model | A4 | 825i |
| Year Released | 2004 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2493 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 187 HP | 170 HP |
| Engine RPM | 5100 RPM | 6000 RPM |
| Torque | 280 Nm | 217 Nm |
| Torque RPM | 1800 RPM | 5000 RPM |
| Engine Bore Size | 82.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 75 mm |
| Engine Compression Ratio | 10.5:1 | 9.6:1 |
| Top Speed | 233 km/hour | 208 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1356 kg |
| Vehicle Length | 4590 mm | 4700 mm |
| Vehicle Width | 1780 mm | 1740 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2470 mm | 2760 mm |
