1949 Armstrong Siddeley Whitley vs. 2008 Mercury Grand Marquis
To start off, 2008 Mercury Grand Marquis 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 4,606 cc (8 cylinders), 2008 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 2008 Mercury Grand Marquis (224 HP @ 4800 RPM) has 149 more horse power than 1949 Armstrong Siddeley Whitley. (75 HP @ 4200 RPM) In normal driving conditions, 2008 Mercury Grand Marquis should accelerate faster than 1949 Armstrong Siddeley Whitley. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercury Grand Marquis weights approximately 406 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, 2008 Mercury Grand Marquis (369 Nm @ 4000 RPM) has 224 more torque (in Nm) than 1949 Armstrong Siddeley Whitley. (145 Nm @ 3000 RPM). This means 2008 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1949 Armstrong Siddeley Whitley. 2008 Mercury Grand Marquis 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. 2008 Mercury Grand Marquis will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1949 Armstrong Siddeley Whitley | 2008 Mercury Grand Marquis | |
| Make | Armstrong Siddeley | Mercury |
| Model | Whitley | Grand Marquis |
| Year Released | 1949 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2309 cc | 4606 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 75 HP | 224 HP |
| Engine RPM | 4200 RPM | 4800 RPM |
| Torque | 145 Nm | 369 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Compression Ratio | 6.5:1 | 9.4:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1430 kg | 1836 kg |
| Vehicle Length | 4710 mm | 5370 mm |
| Vehicle Width | 1730 mm | 2000 mm |
| Vehicle Height | 1610 mm | 1440 mm |
| Wheelbase Size | 2930 mm | 2920 mm |
