1950 Allard J2 vs. 2000 Ariel Atom
To start off, 2000 Ariel Atom is newer by 50 year(s). Which means there will be less support and parts availability for 1950 Allard J2. In addition, the cost of maintenance, including insurance, on 1950 Allard J2 would be higher. At 5,416 cc (8 cylinders), 1950 Allard J2 is equipped with a bigger engine. In terms of performance, 1950 Allard J2 (158 HP @ 3800 RPM) has 49 more horse power than 2000 Ariel Atom. (109 HP @ 5000 RPM). In normal driving conditions, 1950 Allard J2 should accelerate faster than 2000 Ariel Atom. With that said, vehicle weight also plays an important factor in acceleration. 1950 Allard J2 weights approximately 524 kg more than 2000 Ariel Atom. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1950 Allard J2 | 2000 Ariel Atom | |
| Make | Allard | Ariel |
| Model | J2 | Atom |
| Year Released | 1950 | 2000 |
| Engine Position | Front | Rear |
| Engine Size | 5416 cc | 1589 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 158 HP | 109 HP |
| Engine RPM | 3800 RPM | 5000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 984 kg | 460 kg |
| Vehicle Length | 3780 mm | 3420 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1300 mm | 1200 mm |
| Wheelbase Size | 2550 mm | 2350 mm |
