1966 Alfa Romeo Spider vs. 1985 Ford Sierra
To start off, 1985 Ford Sierra is newer by 19 year(s). Which means there will be less support and parts availability for 1966 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1966 Alfa Romeo Spider would be higher. At 2,790 cc (6 cylinders), 1985 Ford Sierra is equipped with a bigger engine. In terms of performance, 1966 Alfa Romeo Spider (163 HP @ 5900 RPM) has 15 more horse power than 1985 Ford Sierra. (148 HP @ 5700 RPM). In normal driving conditions, 1966 Alfa Romeo Spider should accelerate faster than 1985 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1966 Alfa Romeo Spider weights approximately 125 kg more than 1985 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, both vehicles can yield 220 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 1966 Alfa Romeo Spider | 1985 Ford Sierra | |
| Make | Alfa Romeo | Ford |
| Model | Spider | Sierra |
| Year Released | 1966 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 2790 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 163 HP | 148 HP |
| Engine RPM | 5900 RPM | 5700 RPM |
| Torque | 220 Nm | 220 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Bore Size | 83 mm | 93 mm |
| Engine Stroke Size | 79.6 mm | 68.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1330 kg | 1205 kg |
| Vehicle Length | 4510 mm | 4400 mm |
| Vehicle Width | 1610 mm | 1680 mm |
| Vehicle Height | 1390 mm | 1370 mm |
| Wheelbase Size | 2510 mm | 2620 mm |
