1970 Innocenti J4 vs. 2005 Audi S4
To start off, 2005 Audi S4 is newer by 35 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 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 7000 RPM) has 284 more horse power than 1970 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 2005 Audi S4 should accelerate faster than 1970 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 975 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 2005 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1970 Innocenti J4. In wet, icy, snow, or gravel driving conditions, 2005 Audi S4 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, 2005 Audi S4 (410 Nm @ 3500 RPM) has 327 more torque (in Nm) than 1970 Innocenti J4. (83 Nm @ 2500 RPM). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti J4. 2005 Audi S4 has automatic transmission and 1970 Innocenti J4 has manual transmission. 1970 Innocenti J4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1970 Innocenti J4 | 2005 Audi S4 | |
| Make | Innocenti | Audi |
| Model | J4 | S4 |
| Year Released | 1970 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1097 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 56 HP | 340 HP |
| Engine RPM | 5500 RPM | 7000 RPM |
| Torque | 83 Nm | 410 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Engine Bore Size | 64.6 mm | 85 mm |
| Engine Stroke Size | 83.7 mm | 93 mm |
| Engine Compression Ratio | 21.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 880 kg | 1855 kg |
| Vehicle Length | 3720 mm | 4580 mm |
| Vehicle Width | 1540 mm | 1790 mm |
| Vehicle Height | 1380 mm | 1450 mm |
| Wheelbase Size | 2380 mm | 2660 mm |
