1984 Ford Sierra vs. 2009 BMW 525
To start off, 2009 BMW 525 is newer by 25 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 2,497 cc (6 cylinders), 2009 BMW 525 is equipped with a bigger engine. In terms of performance, 2009 BMW 525 (175 HP @ 4000 RPM) has 61 more horse power than 1984 Ford Sierra. (114 HP @ 5300 RPM) In normal driving conditions, 2009 BMW 525 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 525 weights approximately 635 kg more than 1984 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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 BMW 525 (400 Nm @ 2000 RPM) has 224 more torque (in Nm) than 1984 Ford Sierra. (176 Nm @ 3000 RPM). This means 2009 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1984 Ford Sierra | 2009 BMW 525 | |
| Make | Ford | BMW |
| Model | Sierra | 525 |
| Year Released | 1984 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 114 HP | 175 HP |
| Engine RPM | 5300 RPM | 4000 RPM |
| Torque | 176 Nm | 400 Nm |
| Torque RPM | 3000 RPM | 2000 RPM |
| Engine Bore Size | 90 mm | 84.1 mm |
| Engine Stroke Size | 60.1 mm | 75.1 mm |
| Engine Compression Ratio | 9.0:1 | 17.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1115 kg | 1750 kg |
| Vehicle Length | 4420 mm | 4850 mm |
| Vehicle Width | 1730 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1500 mm |
| Wheelbase Size | 2610 mm | 2840 mm |
| Fuel Tank Capacity | 60 L | 70 L |
