1955 Fairthorpe Atom vs. 1967 Innocenti J4
To start off, 1967 Innocenti J4 is newer by 12 year(s). Which means there will be less support and parts availability for 1955 Fairthorpe Atom. In addition, the cost of maintenance, including insurance, on 1955 Fairthorpe Atom would be higher. At 1,098 cc (4 cylinders), 1967 Innocenti J4 is equipped with a bigger engine. In terms of performance, 1967 Innocenti J4 (56 HP @ 5500 RPM) has 44 more horse power than 1955 Fairthorpe Atom. (12 HP @ 5300 RPM) In normal driving conditions, 1967 Innocenti J4 should accelerate faster than 1955 Fairthorpe Atom. With that said, vehicle weight also plays an important factor in acceleration. 1967 Innocenti J4 weights approximately 424 kg more than 1955 Fairthorpe Atom. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1955 Fairthorpe 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 1955 Fairthorpe Atom. However, in wet, icy, snow, or gravel driving conditions, 1967 Innocenti J4, 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, 1967 Innocenti J4 (82 Nm @ 2000 RPM) has 62 more torque (in Nm) than 1955 Fairthorpe Atom. (20 Nm @ 3700 RPM). This means 1967 Innocenti J4 will have an easier job in driving up hills or pulling heavy equipment than 1955 Fairthorpe Atom.
Compare all specifications:
1955 Fairthorpe Atom | 1967 Innocenti J4 | |
Make | Fairthorpe | Innocenti |
Model | Atom | J4 |
Year Released | 1955 | 1967 |
Engine Position | Rear | Front |
Engine Size | 248 cc | 1098 cc |
Engine Cylinders | 1 cylinders | 4 cylinders |
Engine Type | single | in-line |
Horse Power | 12 HP | 56 HP |
Engine RPM | 5300 RPM | 5500 RPM |
Torque | 20 Nm | 82 Nm |
Torque RPM | 3700 RPM | 2000 RPM |
Engine Bore Size | 63 mm | 64.6 mm |
Engine Stroke Size | 80 mm | 83.7 mm |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 5 seats |
Vehicle Weight | 426 kg | 850 kg |
Vehicle Length | 3660 mm | 3720 mm |
Vehicle Width | 1530 mm | 1540 mm |
Vehicle Height | 1380 mm | 1380 mm |
Wheelbase Size | 2270 mm | 2380 mm |
Fuel Tank Capacity | 18 L | 28 L |