2003 BMW X3 vs. 1973 Innocenti J4
To start off, 2003 BMW X3 is newer by 30 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 2,995 cc (6 cylinders), 2003 BMW X3 is equipped with a bigger engine. In terms of performance, 2003 BMW X3 (201 HP @ 4000 RPM) has 145 more horse power than 1973 Innocenti J4. (56 HP @ 5500 RPM). In normal driving conditions, 2003 BMW X3 should accelerate faster than 1973 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 1050 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 2003 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1973 Innocenti J4. In wet, icy, snow, or gravel driving conditions, 2003 BMW X3 will offer significantly more control. 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 BMW X3 (410 Nm @ 1500 RPM) has 327 more torque (in Nm) than 1973 Innocenti J4. (83 Nm @ 2500 RPM). This means 2003 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1973 Innocenti J4. 2003 BMW X3 has automatic transmission and 1973 Innocenti J4 has manual transmission. 1973 Innocenti J4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
2003 BMW X3 | 1973 Innocenti J4 | |
Make | BMW | Innocenti |
Model | X3 | J4 |
Year Released | 2003 | 1973 |
Engine Position | Front | Front |
Engine Size | 2995 cc | 1097 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 201 HP | 56 HP |
Engine RPM | 4000 RPM | 5500 RPM |
Torque | 410 Nm | 83 Nm |
Torque RPM | 1500 RPM | 2500 RPM |
Engine Bore Size | 84 mm | 64.6 mm |
Engine Stroke Size | 90 mm | 83.7 mm |
Engine Compression Ratio | 17.0:1 | 21.5:1 |
Drive Type | 4WD | Front |
Transmission Type | Automatic | Manual |
Number of Seats | 5 seats | 2 seats |
Vehicle Weight | 1930 kg | 880 kg |
Vehicle Length | 4570 mm | 3720 mm |
Vehicle Width | 1860 mm | 1540 mm |
Vehicle Height | 1680 mm | 1380 mm |
Wheelbase Size | 2730 mm | 2380 mm |