2004 Alfa Romeo 156 vs. 1986 Ford Sierra
To start off, 2004 Alfa Romeo 156 is newer by 18 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, 1986 Ford Sierra (160 HP @ 5700 RPM) has 47 more horse power than 2004 Alfa Romeo 156. (113 HP @ 4000 RPM) In normal driving conditions, 1986 Ford Sierra should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo 156 weights approximately 139 kg more than 1986 Ford Sierra.
Because 1986 Ford Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2004 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, 2004 Alfa Romeo 156 (275 Nm @ 2000 RPM) has 59 more torque (in Nm) than 1986 Ford Sierra. (216 Nm @ 4300 RPM). This means 2004 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1986 Ford Sierra.
Compare all specifications:
| 2004 Alfa Romeo 156 | 1986 Ford Sierra | |
| Make | Alfa Romeo | Ford |
| Model | 156 | Sierra |
| Year Released | 2004 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1969 cc | 2792 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 113 HP | 160 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 275 Nm | 216 Nm |
| Torque RPM | 2000 RPM | 4300 RPM |
| Engine Bore Size | 82 mm | 93 mm |
| Engine Stroke Size | 90.4 mm | 68.5 mm |
| Engine Compression Ratio | 18.4:1 | 9.2:1 |
| Top Speed | 191 km/hour | 196 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1405 kg | 1266 kg |
| Vehicle Length | 4440 mm | 4430 mm |
| Vehicle Width | 1750 mm | 1730 mm |
| Wheelbase Size | 2550 mm | 2610 mm |
| Fuel Tank Capacity | 63 L | 116 L |
