2005 Fiat Siena vs. 1977 Pontiac Firebird
To start off, 2005 Fiat Siena is newer by 28 year(s). Which means there will be less support and parts availability for 1977 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1977 Pontiac Firebird would be higher. At 5,700 cc (8 cylinders), 1977 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1977 Pontiac Firebird (158 HP @ 4400 RPM) has 34 more horse power than 2005 Fiat Siena. (124 HP @ 4000 RPM) In normal driving conditions, 1977 Pontiac Firebird should accelerate faster than 2005 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 1977 Pontiac Firebird weights approximately 501 kg more than 2005 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1977 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 1977 Pontiac Firebird. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 1977 Pontiac Firebird (366 Nm @ 2000 RPM) has 226 more torque (in Nm) than 2005 Fiat Siena. (140 Nm @ 4000 RPM). This means 1977 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 2005 Fiat Siena.
Compare all specifications:
| 2005 Fiat Siena | 1977 Pontiac Firebird | |
| Make | Fiat | Pontiac |
| Model | Siena | Firebird |
| Year Released | 2005 | 1977 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1585 cc | 5700 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 124 HP | 158 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 140 Nm | 366 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1095 kg | 1596 kg |
| Wheelbase Size | 2450 mm | 2750 mm |
| Fuel Tank Capacity | 47 L | 76 L |
