1973 Innocenti J4 vs. 1999 Pontiac Firebird
To start off, 1999 Pontiac Firebird is newer by 26 year(s). Which means there will be less support and parts availability for 1973 Innocenti J4. In addition, the cost of maintenance, including insurance, on 1973 Innocenti J4 would be higher. At 3,785 cc (6 cylinders), 1999 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1999 Pontiac Firebird (200 HP) has 144 more horse power than 1973 Innocenti J4. (56 HP) In normal driving conditions, 1999 Pontiac Firebird should accelerate faster than 1973 Innocenti J4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Pontiac Firebird weights approximately 625 kg more than 1973 Innocenti J4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 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 1999 Pontiac Firebird. However, in wet, icy, snow, or gravel driving conditions, 1973 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, 1999 Pontiac Firebird (305 Nm @ 4000 RPM) has 222 more torque (in Nm) than 1973 Innocenti J4. (83 Nm @ 2500 RPM). This means 1999 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1973 Innocenti J4.
Compare all specifications:
1973 Innocenti J4 | 1999 Pontiac Firebird | |
Make | Innocenti | Pontiac |
Model | J4 | Firebird |
Year Released | 1973 | 1999 |
Engine Position | Front | Front |
Engine Size | 1097 cc | 3785 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | V |
Horse Power | 56 HP | 200 HP |
Torque | 83 Nm | 305 Nm |
Torque RPM | 2500 RPM | 4000 RPM |
Engine Bore Size | 64.6 mm | 96.5 mm |
Engine Stroke Size | 83.7 mm | 86.4 mm |
Engine Compression Ratio | 21.5:1 | 9.4:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Front | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 4 seats |
Vehicle Weight | 880 kg | 1505 kg |
Vehicle Length | 3720 mm | 4920 mm |
Vehicle Width | 1540 mm | 1900 mm |
Vehicle Height | 1380 mm | 1310 mm |
Wheelbase Size | 2380 mm | 2570 mm |