2003 Ariel Atom vs. 1987 Ford Sierra
To start off, 2003 Ariel Atom 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, 1987 Ford Sierra (113 HP @ 5300 RPM) has 4 more horse power than 2003 Ariel Atom. (109 HP @ 5000 RPM) In normal driving conditions, 1987 Ford Sierra should accelerate faster than 2003 Ariel Atom. With that said, vehicle weight also plays an important factor in acceleration. 1987 Ford Sierra weights approximately 628 kg more than 2003 Ariel Atom. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1987 Ford Sierra (180 Nm @ 3000 RPM) has 32 more torque (in Nm) than 2003 Ariel Atom. (148 Nm @ 3000 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Ariel Atom.
Compare all specifications:
| 2003 Ariel Atom | 1987 Ford Sierra | |
| Make | Ariel | Ford |
| Model | Atom | Sierra |
| Year Released | 2003 | 1987 |
| Engine Position | Rear | Front |
| Engine Size | 1589 cc | 2294 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 109 HP | 113 HP |
| Engine RPM | 5000 RPM | 5300 RPM |
| Torque | 148 Nm | 180 Nm |
| Torque RPM | 3000 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 1 seats | 5 seats |
| Vehicle Weight | 462 kg | 1090 kg |
| Vehicle Length | 3420 mm | 4400 mm |
| Vehicle Width | 1800 mm | 1680 mm |
| Vehicle Height | 1200 mm | 1370 mm |
| Wheelbase Size | 2350 mm | 2620 mm |
