2005 Alfa Romeo 147 vs. 1991 Ford Sierra
To start off, 2005 Alfa Romeo 147 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1991 Ford Sierra would be higher. At 1,968 cc (4 cylinders), 2005 Alfa Romeo 147 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 147 (148 HP @ 4000 RPM) has 73 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 2005 Alfa Romeo 147 should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 147 weights approximately 220 kg more than 1991 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Alfa Romeo 147 (300 Nm @ 2000 RPM) has 148 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 2005 Alfa Romeo 147 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 2005 Alfa Romeo 147 | 1991 Ford Sierra | |
| Make | Alfa Romeo | Ford |
| Model | 147 | Sierra |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1751 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 75 HP |
| Engine RPM | 4000 RPM | 4500 RPM |
| Torque | 300 Nm | 152 Nm |
| Torque RPM | 2000 RPM | 2200 RPM |
| Engine Bore Size | 82 mm | 82.5 mm |
| Engine Stroke Size | 90.4 mm | 82 mm |
| Engine Compression Ratio | 18.5:1 | 21.5:1 |
| Fuel Type | Diesel | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1365 kg | 1145 kg |
| Vehicle Length | 4180 mm | 4430 mm |
| Vehicle Width | 1740 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2550 mm | 2620 mm |
| Fuel Tank Capacity | 60 L | 60 L |
