2009 Ford Flex vs. 1972 Pontiac Firebird
To start off, 2009 Ford Flex is newer by 37 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, 2009 Ford Flex (262 HP @ 6250 RPM) has 154 more horse power than 1972 Pontiac Firebird. (108 HP @ 3600 RPM). In normal driving conditions, 2009 Ford Flex should accelerate faster than 1972 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 1972 Pontiac Firebird weights approximately 504 kg more than 2009 Ford Flex.
Because 2009 Ford Flex is four wheel drive (4WD), it will have significant more traction and grip than 1972 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2009 Ford Flex will offer significantly more control. 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, 2009 Ford Flex (336 Nm @ 4500 RPM) has 99 more torque (in Nm) than 1972 Pontiac Firebird. (237 Nm @ 1600 RPM). This means 2009 Ford Flex will have an easier job in driving up hills or pulling heavy equipment than 1972 Pontiac Firebird.
Compare all specifications:
| 2009 Ford Flex | 1972 Pontiac Firebird | |
| Make | Ford | Pontiac |
| Model | Flex | Firebird |
| Year Released | 2009 | 1972 |
| Body Type | Crossover | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3496 cc | 4093 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 262 HP | 108 HP |
| Engine RPM | 6250 RPM | 3600 RPM |
| Torque | 336 Nm | 237 Nm |
| Torque RPM | 4500 RPM | 1600 RPM |
| Engine Compression Ratio | 9.4:1 | 8.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 7 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 966 kg | 1470 kg |
| Vehicle Length | 5130 mm | 4870 mm |
| Vehicle Width | 1930 mm | 1870 mm |
| Vehicle Height | 1730 mm | 1290 mm |
| Wheelbase Size | 3000 mm | 2750 mm |
| Fuel Tank Capacity | 70 L | 64 L |
