2003 Alfa Romeo 166 vs. 1987 Ford Sierra
To start off, 2003 Alfa Romeo 166 is newer by 16 year(s). Which means there will be less support and parts availability for 1987 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1987 Ford Sierra would be higher. At 2,387 cc (5 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (172 HP @ 4000 RPM) has 59 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 166 weights approximately 525 kg more than 1987 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, 2003 Alfa Romeo 166 (385 Nm @ 2000 RPM) has 205 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 2003 Alfa Romeo 166 | 1987 Ford Sierra | |
| Make | Alfa Romeo | Ford |
| Model | 166 | Sierra |
| Year Released | 2003 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 2294 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 172 HP | 113 HP |
| Engine RPM | 4000 RPM | 5300 RPM |
| Torque | 385 Nm | 180 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Engine Bore Size | 82.1 mm | 96 mm |
| Engine Stroke Size | 90.4 mm | 79.5 mm |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1615 kg | 1090 kg |
| Vehicle Length | 4730 mm | 4400 mm |
| Vehicle Width | 1810 mm | 1680 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
| Fuel Tank Capacity | 72 L | 45 L |
