1971 Innocenti J4 vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 32 year(s). Which means there will be less support and parts availability for 1971 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1971 Innocenti J4 would be higher. At 1,796 cc (4 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (120 HP @ 6000 RPM) has 64 more horse power than 1971 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1971 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 655 kg more than 1971 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2003 Opel Signum (166 Nm @ 3800 RPM) has 82 more torque (in Nm) than 1971 Innocenti J4. (84 Nm @ 2500 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1971 Innocenti J4.
Compare all specifications:
1971 Innocenti J4 | 2003 Opel Signum | |
Make | Innocenti | Opel |
Model | J4 | Signum |
Year Released | 1971 | 2003 |
Engine Position | Front | Front |
Engine Size | 1098 cc | 1796 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 56 HP | 120 HP |
Engine RPM | 5500 RPM | 6000 RPM |
Torque | 84 Nm | 166 Nm |
Torque RPM | 2500 RPM | 3800 RPM |
Engine Bore Size | 64.6 mm | 80.5 mm |
Engine Stroke Size | 83.7 mm | 88.2 mm |
Fuel Type | Gasoline | Gasoline - Premium |
Drive Type | Front | Front |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 5 seats |
Vehicle Weight | 880 kg | 1535 kg |
Vehicle Length | 3720 mm | 4640 mm |
Vehicle Width | 1540 mm | 1800 mm |
Vehicle Height | 1380 mm | 1470 mm |
Wheelbase Size | 2380 mm | 2840 mm |