2009 BMW M3 vs. 1970 Innocenti J4
To start off, 2009 BMW M3 is newer by 39 year(s). Which means there will be less support and parts availability for 1970 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1970 Innocenti J4 would be higher. At 3,999 cc (8 cylinders), 2009 BMW M3 is equipped with a bigger engine. In terms of performance, 2009 BMW M3 (414 HP @ 8300 RPM) has 358 more horse power than 1970 Innocenti J4. (56 HP @ 5600 RPM). In normal driving conditions, 2009 BMW M3 should accelerate faster than 1970 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW M3 weights approximately 533 kg more than 1970 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW M3 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 2009 BMW M3. However, in wet, icy, snow, or gravel driving conditions, 1970 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, 2009 BMW M3 (401 Nm @ 3900 RPM) has 319 more torque (in Nm) than 1970 Innocenti J4. (82 Nm @ 2000 RPM). This means 2009 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti J4.
Compare all specifications:
| 2009 BMW M3 | 1970 Innocenti J4 | |
| Make | BMW | Innocenti |
| Model | M3 | J4 |
| Year Released | 2009 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 3999 cc | 1098 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 414 HP | 56 HP |
| Engine RPM | 8300 RPM | 5600 RPM |
| Torque | 401 Nm | 82 Nm |
| Torque RPM | 3900 RPM | 2000 RPM |
| Engine Bore Size | 92 mm | 64.6 mm |
| Engine Stroke Size | 75.2 mm | 83.7 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1385 kg | 852 kg |
| Vehicle Length | 4620 mm | 3720 mm |
| Vehicle Width | 1420 mm | 1540 mm |
| Vehicle Height | 1810 mm | 1380 mm |
| Wheelbase Size | 2770 mm | 2380 mm |
