1973 Innocenti J4 vs. 2006 Lexus IS
To start off, 2006 Lexus IS is newer by 33 year(s). Which means there will be less support and parts availability for 1973 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1973 Innocenti J4 would be higher. At 1,988 cc (6 cylinders), 2006 Lexus IS is equipped with a bigger engine. In terms of performance, 2006 Lexus IS (153 HP @ 6200 RPM) has 97 more horse power than 1973 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 2006 Lexus IS should accelerate faster than 1973 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Lexus IS weights approximately 575 kg more than 1973 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Lexus IS 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 2006 Lexus IS. However, in wet, icy, snow, or gravel driving conditions, 1973 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, 2006 Lexus IS (195 Nm @ 4600 RPM) has 112 more torque (in Nm) than 1973 Innocenti J4. (83 Nm @ 2500 RPM). This means 2006 Lexus IS will have an easier job in driving up hills or pulling heavy equipment than 1973 Innocenti J4.
Compare all specifications:
| 1973 Innocenti J4 | 2006 Lexus IS | |
| Make | Innocenti | Lexus |
| Model | J4 | IS |
| Year Released | 1973 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1097 cc | 1988 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 56 HP | 153 HP |
| Engine RPM | 5500 RPM | 6200 RPM |
| Torque | 83 Nm | 195 Nm |
| Torque RPM | 2500 RPM | 4600 RPM |
| Engine Bore Size | 64.6 mm | 75.1 mm |
| Engine Stroke Size | 83.7 mm | 75 mm |
| Engine Compression Ratio | 21.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Rear |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 880 kg | 1455 kg |
| Vehicle Length | 3720 mm | 4410 mm |
| Vehicle Width | 1540 mm | 1730 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2380 mm | 2680 mm |
