2006 Daihatsu Sirion vs. 1972 Pontiac Firebird
To start off, 2006 Daihatsu Sirion is newer by 34 year(s). Which means there will be less support and parts availability for 1972 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1972 Pontiac Firebird would be higher. At 4,093 cc (6 cylinders), 1972 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1972 Pontiac Firebird (108 HP @ 3600 RPM) has 22 more horse power than 2006 Daihatsu Sirion. (86 HP @ 6000 RPM) In normal driving conditions, 1972 Pontiac Firebird should accelerate faster than 2006 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1972 Pontiac Firebird weights approximately 730 kg more than 2006 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1972 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 1972 Pontiac Firebird. However, in wet, icy, snow, or gravel driving conditions, 2006 Daihatsu Sirion, 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, 1972 Pontiac Firebird (237 Nm @ 1600 RPM) has 117 more torque (in Nm) than 2006 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 1972 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 2006 Daihatsu Sirion.
Compare all specifications:
| 2006 Daihatsu Sirion | 1972 Pontiac Firebird | |
| Make | Daihatsu | Pontiac |
| Model | Sirion | Firebird |
| Year Released | 2006 | 1972 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 4093 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 86 HP | 108 HP |
| Engine RPM | 6000 RPM | 3600 RPM |
| Torque | 120 Nm | 237 Nm |
| Torque RPM | 3200 RPM | 1600 RPM |
| Engine Compression Ratio | 10.0:1 | 8.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 740 kg | 1470 kg |
| Vehicle Length | 3400 mm | 4870 mm |
| Vehicle Height | 1250 mm | 1290 mm |
| Wheelbase Size | 2440 mm | 2750 mm |
| Fuel Tank Capacity | 40 L | 64 L |
