1949 Armstrong Siddeley Whitley vs. 2008 Porsche 911
To start off, 2008 Porsche 911 is newer by 59 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 3,596 cc (6 cylinders), 2008 Porsche 911 is equipped with a bigger engine. In terms of performance, 2008 Porsche 911 (321 HP @ 6800 RPM) has 246 more horse power than 1949 Armstrong Siddeley Whitley. (75 HP @ 4200 RPM) In normal driving conditions, 2008 Porsche 911 should accelerate faster than 1949 Armstrong Siddeley Whitley. With that said, vehicle weight also plays an important factor in acceleration. 2008 Porsche 911 weights approximately 22 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.
Because 2008 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1949 Armstrong Siddeley Whitley. In wet, icy, snow, or gravel driving conditions, 2008 Porsche 911 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, 2008 Porsche 911 (370 Nm @ 4250 RPM) has 225 more torque (in Nm) than 1949 Armstrong Siddeley Whitley. (145 Nm @ 3000 RPM). This means 2008 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1949 Armstrong Siddeley Whitley.
Compare all specifications:
| 1949 Armstrong Siddeley Whitley | 2008 Porsche 911 | |
| Make | Armstrong Siddeley | Porsche |
| Model | Whitley | 911 |
| Year Released | 1949 | 2008 |
| Engine Position | Front | Rear |
| Engine Size | 2309 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 75 HP | 321 HP |
| Engine RPM | 4200 RPM | 6800 RPM |
| Torque | 145 Nm | 370 Nm |
| Torque RPM | 3000 RPM | 4250 RPM |
| Engine Bore Size | 70 mm | 96 mm |
| Engine Stroke Size | 100 mm | 82.8 mm |
| Engine Compression Ratio | 6.5:1 | 11.3:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1430 kg | 1452 kg |
| Vehicle Length | 4710 mm | 4430 mm |
| Vehicle Width | 1730 mm | 1860 mm |
| Vehicle Height | 1610 mm | 1320 mm |
| Wheelbase Size | 2930 mm | 2360 mm |
