1997 Alfa Romeo 155 vs. 2005 Ariel Atom
To start off, 2005 Ariel Atom is newer by 8 year(s). Which means there will be less support and parts availability for 1997 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1997 Alfa Romeo 155 would be higher. At 2,499 cc (6 cylinders), 1997 Alfa Romeo 155 is equipped with a bigger engine. In terms of performance, 1997 Alfa Romeo 155 (493 HP @ 11700 RPM) has 384 more horse power than 2005 Ariel Atom. (109 HP @ 5000 RPM). In normal driving conditions, 1997 Alfa Romeo 155 should accelerate faster than 2005 Ariel Atom. With that said, vehicle weight also plays an important factor in acceleration. 1997 Alfa Romeo 155 weights approximately 580 kg more than 2005 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, 1997 Alfa Romeo 155 (300 Nm @ 9500 RPM) has 151 more torque (in Nm) than 2005 Ariel Atom. (149 Nm @ 3000 RPM). This means 1997 Alfa Romeo 155 will have an easier job in driving up hills or pulling heavy equipment than 2005 Ariel Atom.
Compare all specifications:
| 1997 Alfa Romeo 155 | 2005 Ariel Atom | |
| Make | Alfa Romeo | Ariel |
| Model | 155 | Atom |
| Year Released | 1997 | 2005 |
| Body Type | Sedan | Roadster |
| Engine Position | Front | Rear |
| Engine Size | 2499 cc | 1589 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 493 HP | 109 HP |
| Engine RPM | 11700 RPM | 5000 RPM |
| Torque | 300 Nm | 149 Nm |
| Torque RPM | 9500 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1040 kg | 460 kg |
| Vehicle Width | 1750 mm | 1800 mm |
