1991 Innocenti 990 vs. 1954 Rover P4
To start off, 1991 Innocenti 990 is newer by 37 year(s). Which means there will be less support and parts availability for 1954 Rover P4. In addition, the cost of maintenance, including insurance, on 1954 Rover P4 would be higher. At 2,228 cc (6 cylinders), 1954 Rover P4 is equipped with a bigger engine. In terms of performance, 1954 Rover P4 (70 HP @ 4500 RPM) has 19 more horse power than 1991 Innocenti 990. (51 HP @ 5800 RPM) In normal driving conditions, 1954 Rover P4 should accelerate faster than 1991 Innocenti 990. With that said, vehicle weight also plays an important factor in acceleration. 1954 Rover P4 weights approximately 690 kg more than 1991 Innocenti 990. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1954 Rover P4 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 1954 Rover P4. However, in wet, icy, snow, or gravel driving conditions, 1991 Innocenti 990, 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, 1954 Rover P4 (153 Nm @ 1750 RPM) has 78 more torque (in Nm) than 1991 Innocenti 990. (75 Nm @ 3200 RPM). This means 1954 Rover P4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Innocenti 990.
Compare all specifications:
| 1991 Innocenti 990 | 1954 Rover P4 | |
| Make | Innocenti | Rover |
| Model | 990 | P4 |
| Year Released | 1991 | 1954 |
| Engine Position | Front | Front |
| Engine Size | 992 cc | 2228 cc |
| Engine Cylinders | 3 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 51 HP | 70 HP |
| Engine RPM | 5800 RPM | 4500 RPM |
| Torque | 75 Nm | 153 Nm |
| Torque RPM | 3200 RPM | 1750 RPM |
| Engine Bore Size | 76 mm | 73 mm |
| Engine Stroke Size | 73 mm | 88.9 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 710 kg | 1400 kg |
| Vehicle Length | 3170 mm | 4540 mm |
| Vehicle Width | 1530 mm | 1680 mm |
| Vehicle Height | 1390 mm | 1620 mm |
| Wheelbase Size | 2050 mm | 2830 mm |
