1949 Armstrong Siddeley Whitley vs. 2009 Nissan Xterra
To start off, 2009 Nissan Xterra 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 3,952 cc (6 cylinders), 2009 Nissan Xterra is equipped with a bigger engine. In terms of performance, 2009 Nissan Xterra (261 HP @ 5600 RPM) has 186 more horse power than 1949 Armstrong Siddeley Whitley. (75 HP @ 4200 RPM) In normal driving conditions, 2009 Nissan Xterra should accelerate faster than 1949 Armstrong Siddeley Whitley. With that said, vehicle weight also plays an important factor in acceleration. 2009 Nissan Xterra weights approximately 124 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 Nissan Xterra 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 Nissan Xterra 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 Nissan Xterra (381 Nm @ 4000 RPM) has 236 more torque (in Nm) than 1949 Armstrong Siddeley Whitley. (145 Nm @ 3000 RPM). This means 2009 Nissan Xterra will have an easier job in driving up hills or pulling heavy equipment than 1949 Armstrong Siddeley Whitley. 2009 Nissan Xterra 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 Nissan Xterra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1949 Armstrong Siddeley Whitley | 2009 Nissan Xterra | |
| Make | Armstrong Siddeley | Nissan |
| Model | Whitley | Xterra |
| Year Released | 1949 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 3952 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 75 HP | 261 HP |
| Engine RPM | 4200 RPM | 5600 RPM |
| Torque | 145 Nm | 381 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Compression Ratio | 6.5:1 | 10.3:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1430 kg | 1554 kg |
| Vehicle Length | 4710 mm | 4550 mm |
| Vehicle Width | 1730 mm | 1860 mm |
| Vehicle Height | 1610 mm | 1910 mm |
| Wheelbase Size | 2930 mm | 2710 mm |
