1966 Innocenti J4 vs. 1978 Pontiac Firebird
To start off, 1978 Pontiac Firebird is newer by 12 year(s). Which means there will be less support and parts availability for 1966 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1966 Innocenti J4 would be higher. At 5,012 cc (8 cylinders), 1978 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1978 Pontiac Firebird (145 HP @ 3800 RPM) has 89 more horse power than 1966 Innocenti J4. (56 HP @ 5600 RPM) In normal driving conditions, 1978 Pontiac Firebird should accelerate faster than 1966 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1978 Pontiac Firebird weights approximately 746 kg more than 1966 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 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 1978 Pontiac Firebird. However, in wet, icy, snow, or gravel driving conditions, 1966 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, 1978 Pontiac Firebird (324 Nm @ 2400 RPM) has 242 more torque (in Nm) than 1966 Innocenti J4. (82 Nm @ 2000 RPM). This means 1978 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1966 Innocenti J4.
Compare all specifications:
1966 Innocenti J4 | 1978 Pontiac Firebird | |
Make | Innocenti | Pontiac |
Model | J4 | Firebird |
Year Released | 1966 | 1978 |
Engine Position | Front | Front |
Engine Size | 1098 cc | 5012 cc |
Engine Cylinders | 4 cylinders | 8 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 2 valves | 2 valves |
Horse Power | 56 HP | 145 HP |
Engine RPM | 5600 RPM | 3800 RPM |
Torque | 82 Nm | 324 Nm |
Torque RPM | 2000 RPM | 2400 RPM |
Engine Compression Ratio | 9.0:1 | 8.6:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Front | Rear |
Number of Seats | 5 seats | 4 seats |
Vehicle Weight | 850 kg | 1596 kg |
Vehicle Length | 3720 mm | 4880 mm |
Vehicle Width | 1540 mm | 1870 mm |
Vehicle Height | 1380 mm | 1290 mm |
Wheelbase Size | 2380 mm | 2750 mm |
Fuel Tank Capacity | 40 L | 76 L |