1986 Ford Sierra vs. 2013 BMW 5 Series
To start off, 2013 BMW 5 Series is newer by 27 year(s). Which means there will be less support and parts availability for 1986 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1986 Ford Sierra would be higher. At 4,395 cc (8 cylinders), 2013 BMW 5 Series is equipped with a bigger engine. In terms of performance, 2013 BMW 5 Series (439 HP @ 5500 RPM) has 279 more horse power than 1986 Ford Sierra. (160 HP @ 5700 RPM) In normal driving conditions, 2013 BMW 5 Series should accelerate faster than 1986 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 5 Series weights approximately 784 kg more than 1986 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2013 BMW 5 Series (651 Nm @ 4500 RPM) has 435 more torque (in Nm) than 1986 Ford Sierra. (216 Nm @ 4300 RPM). This means 2013 BMW 5 Series will have an easier job in driving up hills or pulling heavy equipment than 1986 Ford Sierra. 2013 BMW 5 Series has automatic transmission and 1986 Ford Sierra has manual transmission. 1986 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW 5 Series will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1986 Ford Sierra | 2013 BMW 5 Series | |
| Make | Ford | BMW |
| Model | Sierra | 5 Series |
| Year Released | 1986 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 2792 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 160 HP | 439 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 216 Nm | 651 Nm |
| Torque RPM | 4300 RPM | 4500 RPM |
| Engine Bore Size | 93 mm | 89 mm |
| Engine Stroke Size | 68.5 mm | 88 mm |
| Engine Compression Ratio | 9.2:1 | 10.0 :1 |
| Top Speed | 196 km/hour | 240 km/hour |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1266 kg | 2050 kg |
| Vehicle Length | 4430 mm | 4905 mm |
| Vehicle Width | 1730 mm | 2094 mm |
| Wheelbase Size | 2610 mm | 2968 mm |
| Fuel Tank Capacity | 116 L | 70 L |
