2005 Alfa Romeo 156 vs. 1986 Ford Sierra
To start off, 2005 Alfa Romeo 156 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 2,792 cc (6 cylinders), 1986 Ford Sierra is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (185 HP @ 5000 RPM) has 25 more horse power than 1986 Ford Sierra. (160 HP @ 5700 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 1986 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 224 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.
Because 1986 Ford Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 1986 Ford Sierra 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, 2005 Alfa Romeo 156 (222 Nm @ 5000 RPM) has 6 more torque (in Nm) than 1986 Ford Sierra. (216 Nm @ 4300 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1986 Ford Sierra.
Compare all specifications:
| 2005 Alfa Romeo 156 | 1986 Ford Sierra | |
| Make | Alfa Romeo | Ford |
| Model | 156 | Sierra |
| Year Released | 2005 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2792 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 185 HP | 160 HP |
| Engine RPM | 5000 RPM | 5700 RPM |
| Torque | 222 Nm | 216 Nm |
| Torque RPM | 5000 RPM | 4300 RPM |
| Engine Bore Size | 88 mm | 93 mm |
| Engine Stroke Size | 68.3 mm | 68.5 mm |
| Top Speed | 225 km/hour | 196 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1490 kg | 1266 kg |
| Vehicle Length | 4450 mm | 4430 mm |
| Vehicle Width | 1750 mm | 1730 mm |
| Wheelbase Size | 2710 mm | 2610 mm |
| Fuel Tank Capacity | 72 L | 116 L |
