2009 Mercedes-Benz A vs. 1991 Rover 400
To start off, 2009 Mercedes-Benz A is newer by 18 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 1,991 cc (4 cylinders), 2009 Mercedes-Benz A is equipped with a bigger engine. In terms of performance, 1991 Rover 400 (94 HP @ 6250 RPM) has 13 more horse power than 2009 Mercedes-Benz A. (81 HP @ 4200 RPM) In normal driving conditions, 1991 Rover 400 should accelerate faster than 2009 Mercedes-Benz A. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz A weights approximately 306 kg more than 1991 Rover 400.
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 Mercedes-Benz A (180 Nm @ 1400 RPM) has 56 more torque (in Nm) than 1991 Rover 400. (124 Nm @ 4000 RPM). This means 2009 Mercedes-Benz A will have an easier job in driving up hills or pulling heavy equipment than 1991 Rover 400.
Compare all specifications:
| 2009 Mercedes-Benz A | 1991 Rover 400 | |
| Make | Mercedes-Benz | Rover |
| Model | A | 400 |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1395 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 81 HP | 94 HP |
| Engine RPM | 4200 RPM | 6250 RPM |
| Torque | 180 Nm | 124 Nm |
| Torque RPM | 1400 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 75 mm |
| Engine Stroke Size | 92 mm | 79 mm |
| Engine Compression Ratio | 18.0:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1326 kg | 1020 kg |
| Vehicle Length | 3840 mm | 4370 mm |
| Vehicle Width | 1770 mm | 1690 mm |
| Vehicle Height | 1600 mm | 1410 mm |
| Wheelbase Size | 2570 mm | 2560 mm |
