1949 Armstrong Siddeley Whitley vs. 1986 Opel Monza
To start off, 1986 Opel Monza is newer by 37 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 2,309 cc (6 cylinders), 1949 Armstrong Siddeley Whitley is equipped with a bigger engine. In terms of performance, 1986 Opel Monza (114 HP @ 4800 RPM) has 39 more horse power than 1949 Armstrong Siddeley Whitley. (75 HP @ 4200 RPM) In normal driving conditions, 1986 Opel Monza should accelerate faster than 1949 Armstrong Siddeley Whitley. With that said, vehicle weight also plays an important factor in acceleration. 1949 Armstrong Siddeley Whitley weights approximately 110 kg more than 1986 Opel Monza.
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, 1986 Opel Monza (186 Nm @ 2800 RPM) has 41 more torque (in Nm) than 1949 Armstrong Siddeley Whitley. (145 Nm @ 3000 RPM). This means 1986 Opel Monza 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 | 1986 Opel Monza | |
| Make | Armstrong Siddeley | Opel |
| Model | Whitley | Monza |
| Year Released | 1949 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 2197 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 114 HP |
| Engine RPM | 4200 RPM | 4800 RPM |
| Torque | 145 Nm | 186 Nm |
| Torque RPM | 3000 RPM | 2800 RPM |
| Engine Bore Size | 70 mm | 95 mm |
| Engine Stroke Size | 100 mm | 77.5 mm |
| Engine Compression Ratio | 6.5:1 | 9.4:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1430 kg | 1320 kg |
| Vehicle Length | 4710 mm | 4700 mm |
| Vehicle Width | 1730 mm | 1740 mm |
| Vehicle Height | 1610 mm | 1390 mm |
| Wheelbase Size | 2930 mm | 2670 mm |
