2006 BMW 325 vs. 1985 Ford Sierra
To start off, 2006 BMW 325 is newer by 21 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, 2006 BMW 325 (189 HP @ 6000 RPM) has 41 more horse power than 1985 Ford Sierra. (148 HP @ 5700 RPM). In normal driving conditions, 2006 BMW 325 should accelerate faster than 1985 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 325 weights approximately 290 kg more than 1985 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2006 BMW 325 (245 Nm @ 3500 RPM) has 25 more torque (in Nm) than 1985 Ford Sierra. (220 Nm @ 3800 RPM). This means 2006 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 1985 Ford Sierra.
Compare all specifications:
| 2006 BMW 325 | 1985 Ford Sierra | |
| Make | BMW | Ford |
| Model | 325 | Sierra |
| Year Released | 2006 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2790 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 189 HP | 148 HP |
| Engine RPM | 6000 RPM | 5700 RPM |
| Torque | 245 Nm | 220 Nm |
| Torque RPM | 3500 RPM | 3800 RPM |
| Engine Bore Size | 84.1 mm | 93 mm |
| Engine Stroke Size | 75 mm | 68.5 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Vehicle Weight | 1495 kg | 1205 kg |
| Vehicle Length | 4490 mm | 4400 mm |
| Vehicle Width | 1760 mm | 1680 mm |
| Vehicle Height | 1380 mm | 1370 mm |
| Wheelbase Size | 2730 mm | 2620 mm |
