2005 Alfa Romeo 156 vs. 1985 Ford Sierra
To start off, 2005 Alfa Romeo 156 is newer by 20 year(s). Which means there will be less support and parts availability for 1985 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1985 Ford Sierra would be higher. At 2,790 cc (6 cylinders), 1985 Ford Sierra is equipped with a bigger engine. In terms of performance, 1985 Ford Sierra (148 HP @ 5700 RPM) has 10 more horse power than 2005 Alfa Romeo 156. (138 HP @ 4000 RPM) In normal driving conditions, 1985 Ford Sierra should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 210 kg more than 1985 Ford Sierra.
Let's talk about torque, 2005 Alfa Romeo 156 (310 Nm @ 2000 RPM) has 90 more torque (in Nm) than 1985 Ford Sierra. (220 Nm @ 3800 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1985 Ford Sierra.
Compare all specifications:
| 2005 Alfa Romeo 156 | 1985 Ford Sierra | |
| Make | Alfa Romeo | Ford |
| Model | 156 | Sierra |
| Year Released | 2005 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2790 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 148 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 310 Nm | 220 Nm |
| Torque RPM | 2000 RPM | 3800 RPM |
| Engine Bore Size | 82 mm | 93 mm |
| Engine Stroke Size | 90.4 mm | 68.5 mm |
| Fuel Type | Diesel | Gasoline |
| Vehicle Weight | 1415 kg | 1205 kg |
| Vehicle Length | 4440 mm | 4400 mm |
| Vehicle Width | 1750 mm | 1680 mm |
| Vehicle Height | 1400 mm | 1370 mm |
| Wheelbase Size | 2600 mm | 2620 mm |
