2006 Fiat Siena vs. 1985 Pontiac Firebird
To start off, 2006 Fiat Siena is newer by 21 year(s). Which means there will be less support and parts availability for 1985 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1985 Pontiac Firebird would be higher. At 2,827 cc (6 cylinders), 1985 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1985 Pontiac Firebird (133 HP @ 5100 RPM) has 65 more horse power than 2006 Fiat Siena. (68 HP @ 4600 RPM) In normal driving conditions, 1985 Pontiac Firebird should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Fiat Siena weights approximately 289 kg more than 1985 Pontiac Firebird.
Because 1985 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 1985 Pontiac Firebird. However, in wet, icy, snow, or gravel driving conditions, 2006 Fiat Siena, 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, 1985 Pontiac Firebird (223 Nm @ 3600 RPM) has 87 more torque (in Nm) than 2006 Fiat Siena. (136 Nm @ 2500 RPM). This means 1985 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena.
Compare all specifications:
| 2006 Fiat Siena | 1985 Pontiac Firebird | |
| Make | Fiat | Pontiac |
| Model | Siena | Firebird |
| Year Released | 2006 | 1985 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1697 cc | 2827 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 68 HP | 133 HP |
| Engine RPM | 4600 RPM | 5100 RPM |
| Torque | 136 Nm | 223 Nm |
| Torque RPM | 2500 RPM | 3600 RPM |
| Engine Bore Size | 82.6 mm | 88.9 mm |
| Engine Stroke Size | 79.2 mm | 75.9 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1645 kg | 1356 kg |
| Vehicle Length | 4000 mm | 4850 mm |
| Vehicle Height | 1700 mm | 1270 mm |
| Wheelbase Size | 2550 mm | 2740 mm |
| Fuel Tank Capacity | 47 L | 60 L |
