2009 BMW 325 vs. 1991 Ford Sierra
To start off, 2009 BMW 325 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1991 Ford Sierra would be higher. At 2,494 cc (6 cylinders), 2009 BMW 325 is equipped with a bigger engine. In terms of performance, 2009 BMW 325 (189 HP @ 6000 RPM) has 114 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 2009 BMW 325 should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 325 weights approximately 350 kg more than 1991 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, 2009 BMW 325 (245 Nm @ 3500 RPM) has 93 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 2009 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 2009 BMW 325 | 1991 Ford Sierra | |
| Make | BMW | Ford |
| Model | 325 | Sierra |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1751 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 189 HP | 75 HP |
| Engine RPM | 6000 RPM | 4500 RPM |
| Torque | 245 Nm | 152 Nm |
| Torque RPM | 3500 RPM | 2200 RPM |
| Engine Bore Size | 84.1 mm | 82.5 mm |
| Engine Stroke Size | 75 mm | 82 mm |
| Engine Compression Ratio | 11.0:1 | 21.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1495 kg | 1145 kg |
| Vehicle Length | 4490 mm | 4430 mm |
| Vehicle Width | 1760 mm | 1700 mm |
| Vehicle Height | 1380 mm | 1370 mm |
| Wheelbase Size | 2730 mm | 2620 mm |
| Fuel Tank Capacity | 63 L | 60 L |
