1972 Alfa Romeo Spider vs. 1991 Ford Sierra
To start off, 1991 Ford Sierra is newer by 19 year(s). Which means there will be less support and parts availability for 1972 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1972 Alfa Romeo Spider would be higher. At 1,751 cc (4 cylinders), 1991 Ford Sierra is equipped with a bigger engine. In terms of performance, 1972 Alfa Romeo Spider (89 HP @ 6000 RPM) has 14 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 1972 Alfa Romeo Spider should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Sierra weights approximately 165 kg more than 1972 Alfa Romeo Spider.
Let's talk about torque, 1991 Ford Sierra (152 Nm) has 31 more torque (in Nm) than 1972 Alfa Romeo Spider. (121 Nm). This means 1991 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1972 Alfa Romeo Spider.
Compare all specifications:
| 1972 Alfa Romeo Spider | 1991 Ford Sierra | |
| Make | Alfa Romeo | Ford |
| Model | Spider | Sierra |
| Year Released | 1972 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1289 cc | 1751 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 89 HP | 75 HP |
| Engine RPM | 6000 RPM | 4500 RPM |
| Torque | 121 Nm | 152 Nm |
| Engine Bore Size | 80.1 mm | 82.5 mm |
| Engine Stroke Size | 67.5 mm | 82 mm |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 980 kg | 1145 kg |
| Vehicle Length | 4130 mm | 4430 mm |
| Vehicle Width | 1640 mm | 1700 mm |
| Vehicle Height | 1300 mm | 1370 mm |
| Wheelbase Size | 2260 mm | 2620 mm |
