2003 Infiniti M vs. 1998 Toyota Sienna
To start off, 2003 Infiniti M is newer by 5 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 4,494 cc (8 cylinders), 2003 Infiniti M is equipped with a bigger engine. In terms of performance, 2003 Infiniti M (340 HP @ 6400 RPM) has 151 more horse power than 1998 Toyota Sienna. (189 HP @ 5200 RPM). In normal driving conditions, 2003 Infiniti M should accelerate faster than 1998 Toyota Sienna. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti M weights approximately 42 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 2003 Infiniti M 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 2003 Infiniti M. 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, 2003 Infiniti M (451 Nm @ 4000 RPM) has 172 more torque (in Nm) than 1998 Toyota Sienna. (279 Nm @ 4300 RPM). This means 2003 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 1998 Toyota Sienna.
Compare all specifications:
| 2003 Infiniti M | 1998 Toyota Sienna | |
| Make | Infiniti | Toyota |
| Model | M | Sienna |
| Year Released | 2003 | 1998 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 2982 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 340 HP | 189 HP |
| Engine RPM | 6400 RPM | 5200 RPM |
| Torque | 451 Nm | 279 Nm |
| Torque RPM | 4000 RPM | 4300 RPM |
| Engine Bore Size | 93 mm | 87.6 mm |
| Engine Stroke Size | 82.7 mm | 83 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1747 kg | 1705 kg |
| Vehicle Length | 5020 mm | 4920 mm |
| Vehicle Width | 1780 mm | 1870 mm |
| Vehicle Height | 1470 mm | 1720 mm |
| Wheelbase Size | 2810 mm | 2910 mm |
