2007 Lexus IS vs. 1999 Mercury Mountaineer
To start off, 2007 Lexus IS is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Mercury Mountaineer. In addition, the cost of maintenance, including insurance, on 1999 Mercury Mountaineer would be higher. At 4,948 cc (8 cylinders), 1999 Mercury Mountaineer is equipped with a bigger engine. In terms of performance, 1999 Mercury Mountaineer (212 HP @ 4200 RPM) has 7 more horse power than 2007 Lexus IS. (205 HP @ 6400 RPM) In normal driving conditions, 1999 Mercury Mountaineer should accelerate faster than 2007 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 1999 Mercury Mountaineer weights approximately 190 kg more than 2007 Lexus IS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Mercury Mountaineer is four wheel drive (4WD), it will have significant more traction and grip than 2007 Lexus IS. In wet, icy, snow, or gravel driving conditions, 1999 Mercury Mountaineer 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, 1999 Mercury Mountaineer (390 Nm @ 3300 RPM) has 139 more torque (in Nm) than 2007 Lexus IS. (251 Nm @ 4800 RPM). This means 1999 Mercury Mountaineer will have an easier job in driving up hills or pulling heavy equipment than 2007 Lexus IS.
Compare all specifications:
| 2007 Lexus IS | 1999 Mercury Mountaineer | |
| Make | Lexus | Mercury |
| Model | IS | Mountaineer |
| Year Released | 2007 | 1999 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2499 cc | 4948 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 205 HP | 212 HP |
| Engine RPM | 6400 RPM | 4200 RPM |
| Torque | 251 Nm | 390 Nm |
| Torque RPM | 4800 RPM | 3300 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1765 kg | 1955 kg |
| Vehicle Length | 4580 mm | 4850 mm |
| Vehicle Width | 1810 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1800 mm |
| Wheelbase Size | 2740 mm | 2840 mm |
