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 22 more horse power than 2004 Alfa Romeo 156. (138 HP @ 6500 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 124 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, 1986 Ford Sierra (216 Nm @ 4300 RPM) has 53 more torque (in Nm) than 2004 Alfa Romeo 156. (163 Nm @ 3900 RPM). This means 1986 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156.
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 | 1747 cc | 2792 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 138 HP | 160 HP |
| Engine RPM | 6500 RPM | 5700 RPM |
| Torque | 163 Nm | 216 Nm |
| Torque RPM | 3900 RPM | 4300 RPM |
| Engine Bore Size | 82.1 mm | 93 mm |
| Engine Stroke Size | 82.7 mm | 68.5 mm |
| Engine Compression Ratio | 10.3:1 | 9.2:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1390 kg | 1266 kg |
| Vehicle Length | 4450 mm | 4430 mm |
| Vehicle Width | 1750 mm | 1730 mm |
| Wheelbase Size | 2600 mm | 2610 mm |
| Fuel Tank Capacity | 63 L | 116 L |
