2001 Ariel Atom vs. 1989 Ford Sierra
To start off, 2001 Ariel Atom is newer by 12 year(s). Which means there will be less support and parts availability for 1989 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1989 Ford Sierra would be higher. At 1,998 cc (4 cylinders), 1989 Ford Sierra is equipped with a bigger engine. In terms of performance, 1989 Ford Sierra (125 HP @ 5600 RPM) has 16 more horse power than 2001 Ariel Atom. (109 HP @ 5000 RPM) In normal driving conditions, 1989 Ford Sierra should accelerate faster than 2001 Ariel Atom. With that said, vehicle weight also plays an important factor in acceleration. 1989 Ford Sierra weights approximately 668 kg more than 2001 Ariel Atom. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1989 Ford Sierra (174 Nm @ 2500 RPM) has 26 more torque (in Nm) than 2001 Ariel Atom. (148 Nm @ 3000 RPM). This means 1989 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 2001 Ariel Atom.
Compare all specifications:
| 2001 Ariel Atom | 1989 Ford Sierra | |
| Make | Ariel | Ford |
| Model | Atom | Sierra |
| Year Released | 2001 | 1989 |
| Engine Position | Rear | Front |
| Engine Size | 1589 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 109 HP | 125 HP |
| Engine RPM | 5000 RPM | 5600 RPM |
| Torque | 148 Nm | 174 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Engine Compression Ratio | 10.5:1 | 10.3:1 |
| Top Speed | 180 km/hour | 192 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 1 seats | 5 seats |
| Vehicle Weight | 460 kg | 1128 kg |
| Vehicle Length | 3420 mm | 4470 mm |
| Vehicle Width | 1800 mm | 1710 mm |
| Vehicle Height | 1200 mm | 1380 mm |
| Wheelbase Size | 2350 mm | 2610 mm |
