2009 Mercury Mountaineer vs. 1998 Toyota Sienna
To start off, 2009 Mercury Mountaineer is newer by 11 year(s). Which means there will be less support and parts availability for 1998 Toyota Sienna. In addition, the cost of maintenance, including insurance, on 1998 Toyota Sienna would be higher. At 4,009 cc (6 cylinders), 2009 Mercury Mountaineer is equipped with a bigger engine. In terms of performance, 2009 Mercury Mountaineer (210 HP @ 5100 RPM) has 21 more horse power than 1998 Toyota Sienna. (189 HP @ 5200 RPM). In normal driving conditions, 2009 Mercury Mountaineer should accelerate faster than 1998 Toyota Sienna. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercury Mountaineer weights approximately 220 kg more than 1998 Toyota Sienna. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Mercury Mountaineer is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Mercury Mountaineer. However, in wet, icy, snow, or gravel driving conditions, 1998 Toyota Sienna, being front wheel drive (FWD), will offer much better control with better grip. 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 Mercury Mountaineer (344 Nm @ 3700 RPM) has 65 more torque (in Nm) than 1998 Toyota Sienna. (279 Nm @ 4300 RPM). This means 2009 Mercury Mountaineer will have an easier job in driving up hills or pulling heavy equipment than 1998 Toyota Sienna.
Compare all specifications:
| 2009 Mercury Mountaineer | 1998 Toyota Sienna | |
| Make | Mercury | Toyota |
| Model | Mountaineer | Sienna |
| Year Released | 2009 | 1998 |
| Body Type | SUV | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4009 cc | 2982 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 210 HP | 189 HP |
| Engine RPM | 5100 RPM | 5200 RPM |
| Torque | 344 Nm | 279 Nm |
| Torque RPM | 3700 RPM | 4300 RPM |
| Engine Compression Ratio | 9.7:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1925 kg | 1705 kg |
| Vehicle Length | 4920 mm | 4920 mm |
| Vehicle Width | 1880 mm | 1870 mm |
| Vehicle Height | 1860 mm | 1720 mm |
| Wheelbase Size | 2890 mm | 2910 mm |
