1985 Ford Sierra vs. 2004 Rover 75
To start off, 2004 Rover 75 is newer by 19 year(s). Which means there will be less support and parts availability for 1985 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1985 Ford Sierra would be higher. At 2,790 cc (6 cylinders), 1985 Ford Sierra is equipped with a bigger engine. In terms of performance, 1985 Ford Sierra (148 HP @ 5700 RPM) has 19 more horse power than 2004 Rover 75. (129 HP @ 4000 RPM). In normal driving conditions, 1985 Ford Sierra should accelerate faster than 2004 Rover 75. With that said, vehicle weight also plays an important factor in acceleration. 2004 Rover 75 weights approximately 355 kg more than 1985 Ford Sierra.
Let's talk about torque, 2004 Rover 75 (240 Nm @ 1900 RPM) has 20 more torque (in Nm) than 1985 Ford Sierra. (220 Nm @ 3800 RPM). This means 2004 Rover 75 will have an easier job in driving up hills or pulling heavy equipment than 1985 Ford Sierra.
Compare all specifications:
| 1985 Ford Sierra | 2004 Rover 75 | |
| Make | Ford | Rover |
| Model | Sierra | 75 |
| Year Released | 1985 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2790 cc | 1951 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 129 HP |
| Engine RPM | 5700 RPM | 4000 RPM |
| Torque | 220 Nm | 240 Nm |
| Torque RPM | 3800 RPM | 1900 RPM |
| Engine Bore Size | 93 mm | 84 mm |
| Engine Stroke Size | 68.5 mm | 88 mm |
| Fuel Type | Gasoline | Diesel |
| Vehicle Weight | 1205 kg | 1560 kg |
| Vehicle Length | 4400 mm | 4800 mm |
| Vehicle Width | 1680 mm | 1780 mm |
| Vehicle Height | 1370 mm | 1440 mm |
| Wheelbase Size | 2620 mm | 2750 mm |
