2005 Opel Speedster vs. 2010 Mercury Grand Marquis
To start off, 2010 Mercury Grand Marquis is newer by 5 year(s). Which means there will be less support and parts availability for 2005 Opel Speedster. In addition, the cost of maintenance, including insurance, on 2005 Opel Speedster would be higher. At 4,600 cc (8 cylinders), 2010 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 2010 Mercury Grand Marquis (224 HP @ 4800 RPM) has 27 more horse power than 2005 Opel Speedster. (197 HP @ 5500 RPM) In normal driving conditions, 2010 Mercury Grand Marquis should accelerate faster than 2005 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 2010 Mercury Grand Marquis weights approximately 862 kg more than 2005 Opel Speedster. 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, 2010 Mercury Grand Marquis (372 Nm @ 4000 RPM) has 121 more torque (in Nm) than 2005 Opel Speedster. (251 Nm @ 1950 RPM). This means 2010 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Speedster. 2010 Mercury Grand Marquis has automatic transmission and 2005 Opel Speedster has manual transmission. 2005 Opel Speedster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2010 Mercury Grand Marquis will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Speedster | 2010 Mercury Grand Marquis | |
| Make | Opel | Mercury |
| Model | Speedster | Grand Marquis |
| Year Released | 2005 | 2010 |
| Body Type | Convertible | Sedan |
| Engine Position | Middle | Front |
| Engine Size | 1998 cc | 4600 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 197 HP | 224 HP |
| Engine RPM | 5500 RPM | 4800 RPM |
| Torque | 251 Nm | 372 Nm |
| Torque RPM | 1950 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Flex Fuel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1005 kg | 1867 kg |
| Vehicle Length | 3790 mm | 5385 mm |
| Vehicle Width | 1710 mm | 1989 mm |
| Vehicle Height | 1120 mm | 1430 mm |
| Wheelbase Size | 2340 mm | 2911 mm |
| Fuel Tank Capacity | 36 L | 72 L |
