2009 Lexus IS vs. 2007 Mercury Mariner
To start off, 2009 Lexus IS is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercury Mariner. In addition, the cost of maintenance, including insurance, on 2007 Mercury Mariner would be higher. At 2,299 cc (4 cylinders), 2007 Mercury Mariner is equipped with a bigger engine. In terms of performance, 2009 Lexus IS (175 HP @ 3600 RPM) has 42 more horse power than 2007 Mercury Mariner. (133 HP @ 6000 RPM). In normal driving conditions, 2009 Lexus IS should accelerate faster than 2007 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercury Mariner weights approximately 265 kg more than 2009 Lexus IS.
Because 2007 Mercury Mariner is four wheel drive (4WD), it will have significant more traction and grip than 2009 Lexus IS. In wet, icy, snow, or gravel driving conditions, 2007 Mercury Mariner will offer significantly more control. 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, 2009 Lexus IS (400 Nm @ 2000 RPM) has 232 more torque (in Nm) than 2007 Mercury Mariner. (168 Nm @ 4250 RPM). This means 2009 Lexus IS will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercury Mariner. 2007 Mercury Mariner has automatic transmission and 2009 Lexus IS has manual transmission. 2009 Lexus IS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercury Mariner will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Lexus IS | 2007 Mercury Mariner | |
| Make | Lexus | Mercury |
| Model | IS | Mariner |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2231 cc | 2299 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 133 HP |
| Engine RPM | 3600 RPM | 6000 RPM |
| Torque | 400 Nm | 168 Nm |
| Torque RPM | 2000 RPM | 4250 RPM |
| Engine Bore Size | 86 mm | 87.5 mm |
| Engine Stroke Size | 96 mm | 94 mm |
| Engine Compression Ratio | 15.8:1 | 12.4:1 |
| Fuel Type | Diesel | Gasoline / Electric Hybrid |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1660 kg | 1925 kg |
| Vehicle Length | 4580 mm | 4430 mm |
| Vehicle Width | 1810 mm | 1790 mm |
| Vehicle Height | 1450 mm | 1790 mm |
| Wheelbase Size | 2740 mm | 2630 mm |
| Fuel Consumption Overall | 6.3 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 65 L | 57 L |
