1986 Ford Sierra vs. 2005 Ford Five Hundred
To start off, 2005 Ford Five Hundred is newer by 19 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 2,983 cc (6 cylinders), 2005 Ford Five Hundred is equipped with a bigger engine. In terms of performance, 2005 Ford Five Hundred (203 HP @ 6000 RPM) has 43 more horse power than 1986 Ford Sierra. (160 HP @ 5700 RPM) In normal driving conditions, 2005 Ford Five Hundred should accelerate faster than 1986 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Ford Five Hundred weights approximately 468 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, 2005 Ford Five Hundred (281 Nm @ 4500 RPM) has 65 more torque (in Nm) than 1986 Ford Sierra. (216 Nm @ 4300 RPM). This means 2005 Ford Five Hundred will have an easier job in driving up hills or pulling heavy equipment than 1986 Ford Sierra. 2005 Ford Five Hundred 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. 2005 Ford Five Hundred will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1986 Ford Sierra | 2005 Ford Five Hundred | |
| Make | Ford | Ford |
| Model | Sierra | Five Hundred |
| Year Released | 1986 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2792 cc | 2983 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 160 HP | 203 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 216 Nm | 281 Nm |
| Torque RPM | 4300 RPM | 4500 RPM |
| Engine Bore Size | 93 mm | 89 mm |
| Engine Stroke Size | 68.5 mm | 79 mm |
| Engine Compression Ratio | 9.2:1 | 10.0:1 |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1266 kg | 1734 kg |
| Vehicle Length | 4430 mm | 5100 mm |
| Vehicle Width | 1730 mm | 1900 mm |
| Wheelbase Size | 2610 mm | 2760 mm |
| Fuel Tank Capacity | 116 L | 72 L |
