1949 Armstrong Siddeley Whitley vs. 2009 Porsche Cayman
To start off, 2009 Porsche Cayman is newer by 60 year(s). Which means there will be less support and parts availability for 1949 Armstrong Siddeley Whitley. In addition, the cost of maintenance, including insurance, on 1949 Armstrong Siddeley Whitley would be higher. At 3,385 cc, 2009 Porsche Cayman is equipped with a bigger engine. In terms of performance, 2009 Porsche Cayman (291 HP @ 6250 RPM) has 216 more horse power than 1949 Armstrong Siddeley Whitley. (75 HP @ 4200 RPM) In normal driving conditions, 2009 Porsche Cayman should accelerate faster than 1949 Armstrong Siddeley Whitley. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche Cayman weights approximately 100 kg more than 1949 Armstrong Siddeley Whitley. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 Porsche Cayman (340 Nm @ 4600 RPM) has 195 more torque (in Nm) than 1949 Armstrong Siddeley Whitley. (145 Nm @ 3000 RPM). This means 2009 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 1949 Armstrong Siddeley Whitley. 2009 Porsche Cayman has automatic transmission and 1949 Armstrong Siddeley Whitley has manual transmission. 1949 Armstrong Siddeley Whitley will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Porsche Cayman will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1949 Armstrong Siddeley Whitley | 2009 Porsche Cayman | |
| Make | Armstrong Siddeley | Porsche |
| Model | Whitley | Cayman |
| Year Released | 1949 | 2009 |
| Engine Position | Front | Middle |
| Engine Size | 2309 cc | 3385 cc |
| Horse Power | 75 HP | 291 HP |
| Engine RPM | 4200 RPM | 6250 RPM |
| Torque | 145 Nm | 340 Nm |
| Torque RPM | 3000 RPM | 4600 RPM |
| Engine Bore Size | 70 mm | 96.3 mm |
| Engine Stroke Size | 100 mm | 78.3 mm |
| Engine Compression Ratio | 6.5:1 | 11.1:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1430 kg | 1530 kg |
| Vehicle Length | 4710 mm | 4350 mm |
| Vehicle Width | 1730 mm | 1310 mm |
| Vehicle Height | 1610 mm | 1810 mm |
| Wheelbase Size | 2930 mm | 2420 mm |
