2002 Ariel Atom vs. 1991 Opel Calibra
To start off, 2002 Ariel Atom is newer by 11 year(s). Which means there will be less support and parts availability for 1991 Opel Calibra. In addition, the cost of maintenance, including insurance, on 1991 Opel Calibra would be higher. At 1,998 cc (4 cylinders), 1991 Opel Calibra is equipped with a bigger engine. In terms of performance, 1991 Opel Calibra (115 HP @ 5200 RPM) has 6 more horse power than 2002 Ariel Atom. (109 HP @ 5000 RPM) In normal driving conditions, 1991 Opel Calibra should accelerate faster than 2002 Ariel Atom. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Calibra weights approximately 730 kg more than 2002 Ariel Atom. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Opel Calibra is four wheel drive (4WD), it will have significant more traction and grip than 2002 Ariel Atom. In wet, icy, snow, or gravel driving conditions, 1991 Opel Calibra will offer significantly more control. 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, 1991 Opel Calibra (174 Nm @ 2600 RPM) has 26 more torque (in Nm) than 2002 Ariel Atom. (148 Nm @ 3000 RPM). This means 1991 Opel Calibra will have an easier job in driving up hills or pulling heavy equipment than 2002 Ariel Atom.
Compare all specifications:
| 2002 Ariel Atom | 1991 Opel Calibra | |
| Make | Ariel | Opel |
| Model | Atom | Calibra |
| Year Released | 2002 | 1991 |
| Body Type | Roadster | Coupe |
| Engine Position | Rear | Front |
| Engine Size | 1589 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 109 HP | 115 HP |
| Engine RPM | 5000 RPM | 5200 RPM |
| Torque | 148 Nm | 174 Nm |
| Torque RPM | 3000 RPM | 2600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 1 seats | 4 seats |
| Vehicle Weight | 460 kg | 1190 kg |
| Vehicle Length | 3420 mm | 4500 mm |
| Vehicle Width | 1800 mm | 1680 mm |
| Vehicle Height | 1200 mm | 1330 mm |
| Wheelbase Size | 2350 mm | 2610 mm |
