2009 BMW 523 vs. 1985 Ford Sierra
To start off, 2009 BMW 523 is newer by 24 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, 2009 BMW 523 (175 HP @ 5800 RPM) has 27 more horse power than 1985 Ford Sierra. (148 HP @ 5700 RPM). In normal driving conditions, 2009 BMW 523 should accelerate faster than 1985 Ford Sierra.
Let's talk about torque, 2009 BMW 523 (230 Nm @ 3500 RPM) has 10 more torque (in Nm) than 1985 Ford Sierra. (220 Nm @ 3800 RPM). This means 2009 BMW 523 will have an easier job in driving up hills or pulling heavy equipment than 1985 Ford Sierra.
Compare all specifications:
| 2009 BMW 523 | 1985 Ford Sierra | |
| Make | BMW | Ford |
| Model | 523 | Sierra |
| Year Released | 2009 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2790 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 148 HP |
| Engine RPM | 5800 RPM | 5700 RPM |
| Torque | 230 Nm | 220 Nm |
| Torque RPM | 3500 RPM | 3800 RPM |
| Engine Bore Size | 82 mm | 93 mm |
| Engine Stroke Size | 78.8 mm | 68.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4850 mm | 4400 mm |
| Vehicle Width | 1470 mm | 1680 mm |
| Vehicle Height | 1850 mm | 1370 mm |
| Wheelbase Size | 2890 mm | 2620 mm |
