2003 Caterham 7 vs. 1987 Ford Sierra
To start off, 2003 Caterham 7 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 2,294 cc (4 cylinders), 1987 Ford Sierra is equipped with a bigger engine. In terms of performance, 2003 Caterham 7 (160 HP @ 7500 RPM) has 47 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM). In normal driving conditions, 2003 Caterham 7 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1987 Ford Sierra weights approximately 590 kg more than 2003 Caterham 7.
Let's talk about torque, 1987 Ford Sierra (180 Nm @ 3000 RPM) has 4 more torque (in Nm) than 2003 Caterham 7. (176 Nm @ 5750 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Caterham 7.
Compare all specifications:
| 2003 Caterham 7 | 1987 Ford Sierra | |
| Make | Caterham | Ford |
| Model | 7 | Sierra |
| Year Released | 2003 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 1794 cc | 2294 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 160 HP | 113 HP |
| Engine RPM | 7500 RPM | 5300 RPM |
| Torque | 176 Nm | 180 Nm |
| Torque RPM | 5750 RPM | 3000 RPM |
| Engine Bore Size | 80 mm | 96 mm |
| Engine Stroke Size | 89.3 mm | 79.5 mm |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 500 kg | 1090 kg |
| Vehicle Length | 3110 mm | 4400 mm |
| Vehicle Width | 1580 mm | 1680 mm |
| Vehicle Height | 810 mm | 1370 mm |
| Wheelbase Size | 2230 mm | 2620 mm |
