1949 Armstrong Siddeley Whitley vs. 2009 Subaru Outback
To start off, 2009 Subaru Outback 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 2,457 cc (4 cylinders), 2009 Subaru Outback is equipped with a bigger engine. In terms of performance, 2009 Subaru Outback (163 HP @ 5600 RPM) has 88 more horse power than 1949 Armstrong Siddeley Whitley. (75 HP @ 4200 RPM) In normal driving conditions, 2009 Subaru Outback should accelerate faster than 1949 Armstrong Siddeley Whitley. With that said, vehicle weight also plays an important factor in acceleration. 2009 Subaru Outback weights approximately 203 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 2009 Subaru Outback 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, 2009 Subaru Outback 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 Subaru Outback (226 Nm @ 4400 RPM) has 81 more torque (in Nm) than 1949 Armstrong Siddeley Whitley. (145 Nm @ 3000 RPM). This means 2009 Subaru Outback will have an easier job in driving up hills or pulling heavy equipment than 1949 Armstrong Siddeley Whitley. 2009 Subaru Outback 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 Subaru Outback will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1949 Armstrong Siddeley Whitley | 2009 Subaru Outback | |
| Make | Armstrong Siddeley | Subaru |
| Model | Whitley | Outback |
| Year Released | 1949 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 2457 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 75 HP | 163 HP |
| Engine RPM | 4200 RPM | 5600 RPM |
| Torque | 145 Nm | 226 Nm |
| Torque RPM | 3000 RPM | 4400 RPM |
| Engine Compression Ratio | 6.5:1 | 10.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1430 kg | 1633 kg |
| Vehicle Length | 4710 mm | 4740 mm |
| Vehicle Width | 1730 mm | 1780 mm |
| Vehicle Height | 1610 mm | 1550 mm |
| Wheelbase Size | 2930 mm | 2680 mm |
