2006 Alfa Romeo 156 vs. 1991 Ford Sierra
To start off, 2006 Alfa Romeo 156 is newer by 15 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 1,970 cc (4 cylinders), 2006 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2006 Alfa Romeo 156 (149 HP @ 6300 RPM) has 74 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 2006 Alfa Romeo 156 should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 156 weights approximately 470 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, 2006 Alfa Romeo 156 (181 Nm @ 3800 RPM) has 29 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 2006 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
2006 Alfa Romeo 156 | 1991 Ford Sierra | |
Make | Alfa Romeo | Ford |
Model | 156 | Sierra |
Year Released | 2006 | 1991 |
Engine Position | Front | Front |
Engine Size | 1970 cc | 1751 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 149 HP | 75 HP |
Engine RPM | 6300 RPM | 4500 RPM |
Torque | 181 Nm | 152 Nm |
Torque RPM | 3800 RPM | 2200 RPM |
Engine Bore Size | 83 mm | 82.5 mm |
Engine Stroke Size | 91 mm | 82 mm |
Engine Compression Ratio | 10.0:1 | 21.5:1 |
Fuel Type | Gasoline | Diesel |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1615 kg | 1145 kg |
Vehicle Length | 4440 mm | 4430 mm |
Vehicle Width | 1750 mm | 1700 mm |
Vehicle Height | 1440 mm | 1370 mm |
Wheelbase Size | 2600 mm | 2620 mm |
Fuel Tank Capacity | 63 L | 60 L |