1949 Armstrong Siddeley Whitley vs. 1999 BMW Z9
To start off, 1999 BMW Z9 is newer by 50 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 4,397 cc (8 cylinders), 1999 BMW Z9 is equipped with a bigger engine. In terms of performance, 1999 BMW Z9 (242 HP @ 7400 RPM) has 167 more horse power than 1949 Armstrong Siddeley Whitley. (75 HP @ 4200 RPM) In normal driving conditions, 1999 BMW Z9 should accelerate faster than 1949 Armstrong Siddeley Whitley. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW Z9 weights approximately 200 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, 1999 BMW Z9 (560 Nm @ 1750 RPM) has 415 more torque (in Nm) than 1949 Armstrong Siddeley Whitley. (145 Nm @ 3000 RPM). This means 1999 BMW Z9 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 | 1999 BMW Z9 | |
| Make | Armstrong Siddeley | BMW |
| Model | Whitley | Z9 |
| Year Released | 1949 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 4397 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 75 HP | 242 HP |
| Engine RPM | 4200 RPM | 7400 RPM |
| Torque | 145 Nm | 560 Nm |
| Torque RPM | 3000 RPM | 1750 RPM |
| Engine Compression Ratio | 6.5:1 | 18.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1430 kg | 1630 kg |
| Vehicle Length | 4710 mm | 5010 mm |
| Vehicle Width | 1730 mm | 1980 mm |
| Vehicle Height | 1610 mm | 1350 mm |
| Wheelbase Size | 2930 mm | 3060 mm |
