2006 Audi A4 vs. 1991 Rover 400
To start off, 2006 Audi A4 is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Rover 400. In addition, the cost of maintenance, including insurance, on 1991 Rover 400 would be higher. At 2,967 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (201 HP @ 4000 RPM) has 115 more horse power than 1991 Rover 400. (86 HP @ 4300 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 1991 Rover 400. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 105 kg more than 1991 Rover 400. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Rover 400. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Audi A4 (450 Nm) has 270 more torque (in Nm) than 1991 Rover 400. (180 Nm). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Rover 400.
Compare all specifications:
| 2006 Audi A4 | 1991 Rover 400 | |
| Make | Audi | Rover |
| Model | A4 | 400 |
| Year Released | 2006 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1769 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 201 HP | 86 HP |
| Engine RPM | 4000 RPM | 4300 RPM |
| Torque | 450 Nm | 180 Nm |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1275 kg | 1170 kg |
| Vehicle Length | 4590 mm | 4370 mm |
| Vehicle Width | 1780 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2650 mm | 2560 mm |
