2002 Ariel Atom vs. 1986 Renault 21
To start off, 2002 Ariel Atom is newer by 16 year(s). Which means there will be less support and parts availability for 1986 Renault 21. In addition, the cost of maintenance, including insurance, on 1986 Renault 21 would be higher. At 1,719 cc (4 cylinders), 1986 Renault 21 is equipped with a bigger engine. In terms of performance, 2002 Ariel Atom (109 HP @ 5000 RPM) has 34 more horse power than 1986 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 2002 Ariel Atom should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1986 Renault 21 weights approximately 495 kg more than 2002 Ariel Atom.
Because 2002 Ariel Atom is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2002 Ariel Atom. However, in wet, icy, snow, or gravel driving conditions, 1986 Renault 21, being front wheel drive (FWD), will offer much better control with better grip. 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, 2002 Ariel Atom (148 Nm @ 3000 RPM) has 19 more torque (in Nm) than 1986 Renault 21. (129 Nm @ 3250 RPM). This means 2002 Ariel Atom will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21.
Compare all specifications:
| 2002 Ariel Atom | 1986 Renault 21 | |
| Make | Ariel | Renault |
| Model | Atom | 21 |
| Year Released | 2002 | 1986 |
| Engine Position | Rear | Front |
| Engine Size | 1589 cc | 1719 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 109 HP | 75 HP |
| Engine RPM | 5000 RPM | 5000 RPM |
| Torque | 148 Nm | 129 Nm |
| Torque RPM | 3000 RPM | 3250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 1 seats | 5 seats |
| Vehicle Weight | 460 kg | 955 kg |
| Vehicle Length | 3420 mm | 4470 mm |
| Vehicle Width | 1800 mm | 1730 mm |
| Vehicle Height | 1200 mm | 1430 mm |
| Wheelbase Size | 2350 mm | 2550 mm |
