2003 BMW X Activity vs. 1971 Innocenti J4
To start off, 2003 BMW X Activity 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 2,992 cc (6 cylinders), 2003 BMW X Activity is equipped with a bigger engine. In terms of performance, 2003 BMW X Activity (228 HP @ 5900 RPM) has 172 more horse power than 1971 Innocenti J4. (56 HP @ 5500 RPM). In normal driving conditions, 2003 BMW X Activity should accelerate faster than 1971 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X Activity weights approximately 750 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.
Because 2003 BMW X Activity is four wheel drive (4WD), it will have significant more traction and grip than 1971 Innocenti J4. In wet, icy, snow, or gravel driving conditions, 2003 BMW X Activity 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 X Activity (300 Nm @ 3500 RPM) has 216 more torque (in Nm) than 1971 Innocenti J4. (84 Nm @ 2500 RPM). This means 2003 BMW X Activity will have an easier job in driving up hills or pulling heavy equipment than 1971 Innocenti J4.
Compare all specifications:
| 2003 BMW X Activity | 1971 Innocenti J4 | |
| Make | BMW | Innocenti |
| Model | X Activity | J4 |
| Year Released | 2003 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 1098 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 228 HP | 56 HP |
| Engine RPM | 5900 RPM | 5500 RPM |
| Torque | 300 Nm | 84 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Bore Size | 84 mm | 64.6 mm |
| Engine Stroke Size | 89.6 mm | 83.7 mm |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1630 kg | 880 kg |
| Vehicle Length | 4560 mm | 3720 mm |
| Wheelbase Size | 2830 mm | 2380 mm |
