1951 Austin Princess vs. 2009 Ford Flex
To start off, 2009 Ford Flex is newer by 58 year(s). Which means there will be less support and parts availability for 1951 Austin Princess. In addition, the cost of maintenance, including insurance, on 1951 Austin Princess would be higher. At 3,990 cc (6 cylinders), 1951 Austin Princess is equipped with a bigger engine. In terms of performance, 2009 Ford Flex (262 HP @ 6250 RPM) has 138 more horse power than 1951 Austin Princess. (124 HP @ 3800 RPM) In normal driving conditions, 2009 Ford Flex should accelerate faster than 1951 Austin Princess. With that said, vehicle weight also plays an important factor in acceleration. 1951 Austin Princess weights approximately 989 kg more than 2009 Ford Flex.
Because 2009 Ford Flex is four wheel drive (4WD), it will have significant more traction and grip than 1951 Austin Princess. 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 48 more torque (in Nm) than 1951 Austin Princess. (288 Nm @ 2200 RPM). This means 2009 Ford Flex will have an easier job in driving up hills or pulling heavy equipment than 1951 Austin Princess. 2009 Ford Flex has automatic transmission and 1951 Austin Princess has manual transmission. 1951 Austin Princess will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Ford Flex will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1951 Austin Princess | 2009 Ford Flex | |
| Make | Austin | Ford |
| Model | Princess | Flex |
| Year Released | 1951 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 3990 cc | 3496 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 124 HP | 262 HP |
| Engine RPM | 3800 RPM | 6250 RPM |
| Torque | 288 Nm | 336 Nm |
| Torque RPM | 2200 RPM | 4500 RPM |
| Engine Compression Ratio | 6.8:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1955 kg | 966 kg |
| Vehicle Length | 4880 mm | 5130 mm |
| Vehicle Width | 1860 mm | 1930 mm |
| Vehicle Height | 1710 mm | 1730 mm |
| Wheelbase Size | 3030 mm | 3000 mm |
| Fuel Tank Capacity | 34 L | 70 L |
