1969 Innocenti J4 vs. 1986 Pontiac Firebird
To start off, 1986 Pontiac Firebird is newer by 17 year(s). Which means there will be less support and parts availability for 1969 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1969 Innocenti J4 would be higher. At 2,827 cc (6 cylinders), 1986 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1986 Pontiac Firebird (140 HP @ 5100 RPM) has 84 more horse power than 1969 Innocenti J4. (56 HP @ 5500 RPM) In normal driving conditions, 1986 Pontiac Firebird should accelerate faster than 1969 Innocenti J4.
Because 1986 Pontiac Firebird 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 1986 Pontiac Firebird. However, in wet, icy, snow, or gravel driving conditions, 1969 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, 1986 Pontiac Firebird (230 Nm @ 3600 RPM) has 148 more torque (in Nm) than 1969 Innocenti J4. (82 Nm @ 2000 RPM). This means 1986 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1969 Innocenti J4.
Compare all specifications:
| 1969 Innocenti J4 | 1986 Pontiac Firebird | |
| Make | Innocenti | Pontiac |
| Model | J4 | Firebird |
| Year Released | 1969 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 2827 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 56 HP | 140 HP |
| Engine RPM | 5500 RPM | 5100 RPM |
| Torque | 82 Nm | 230 Nm |
| Torque RPM | 2000 RPM | 3600 RPM |
| Engine Bore Size | 64.6 mm | 88.9 mm |
| Engine Stroke Size | 83.7 mm | 75.9 mm |
| Engine Compression Ratio | 9.0:1 | 8.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 3720 mm | 4880 mm |
| Vehicle Width | 1540 mm | 1860 mm |
| Vehicle Height | 1380 mm | 1380 mm |
| Wheelbase Size | 2380 mm | 2580 mm |
| Fuel Tank Capacity | 40 L | 60 L |
