2001 Lotec Sirius vs. 2007 Mercury Grand Marquis
To start off, 2007 Mercury Grand Marquis is newer by 6 year(s). Which means there will be less support and parts availability for 2001 Lotec Sirius. In addition, the cost of maintenance, including insurance, on 2001 Lotec Sirius would be higher. At 5,987 cc (12 cylinders), 2001 Lotec Sirius is equipped with a bigger engine. In terms of performance, 2001 Lotec Sirius (1,185 HP @ 6800 RPM) has 946 more horse power than 2007 Mercury Grand Marquis. (239 HP @ 4900 RPM). In normal driving conditions, 2001 Lotec Sirius should accelerate faster than 2007 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercury Grand Marquis weights approximately 552 kg more than 2001 Lotec Sirius.
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, 2001 Lotec Sirius (1,346 Nm @ 3400 RPM) has 957 more torque (in Nm) than 2007 Mercury Grand Marquis. (389 Nm @ 4100 RPM). This means 2001 Lotec Sirius will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercury Grand Marquis. 2007 Mercury Grand Marquis has automatic transmission and 2001 Lotec Sirius has manual transmission. 2001 Lotec Sirius will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercury Grand Marquis will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2001 Lotec Sirius | 2007 Mercury Grand Marquis | |
| Make | Lotec | Mercury |
| Model | Sirius | Grand Marquis |
| Year Released | 2001 | 2007 |
| Body Type | Coupe | Sedan |
| Engine Position | Middle | Front |
| Engine Size | 5987 cc | 4603 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 1185 HP | 239 HP |
| Engine RPM | 6800 RPM | 4900 RPM |
| Torque | 1346 Nm | 389 Nm |
| Torque RPM | 3400 RPM | 4100 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1280 kg | 1832 kg |
| Vehicle Length | 4130 mm | 5370 mm |
| Vehicle Width | 2090 mm | 2000 mm |
| Vehicle Height | 1130 mm | 1490 mm |
