1984 Ford Sierra vs. 2011 BMW X5
To start off, 2011 BMW X5 is newer by 27 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 3,000 cc (6 cylinders), 2011 BMW X5 is equipped with a bigger engine. In terms of performance, 2011 BMW X5 (265 HP @ 4200 RPM) has 151 more horse power than 1984 Ford Sierra. (114 HP @ 5300 RPM) In normal driving conditions, 2011 BMW X5 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW X5 weights approximately 1240 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.
Because 2011 BMW X5 is all wheel drive (AWD), it will have significant more traction and grip than 1984 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2011 BMW X5 will offer significantly more control. 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, 2011 BMW X5 (576 Nm @ 1750 RPM) has 400 more torque (in Nm) than 1984 Ford Sierra. (176 Nm @ 3000 RPM). This means 2011 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1984 Ford Sierra | 2011 BMW X5 | |
| Make | Ford | BMW |
| Model | Sierra | X5 |
| Year Released | 1984 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 114 HP | 265 HP |
| Engine RPM | 5300 RPM | 4200 RPM |
| Torque | 176 Nm | 576 Nm |
| Torque RPM | 3000 RPM | 1750 RPM |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1115 kg | 2355 kg |
| Vehicle Length | 4420 mm | 4857 mm |
| Vehicle Width | 1730 mm | 1933 mm |
| Vehicle Height | 1420 mm | 1776 mm |
| Wheelbase Size | 2610 mm | 2934 mm |
| Fuel Tank Capacity | 60 L | 85 L |
