2006 GMC Yukon vs. 1999 Toyota Sienna
To start off, 2006 GMC Yukon is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Toyota Sienna. In addition, the cost of maintenance, including insurance, on 1999 Toyota Sienna would be higher. At 5,964 cc (8 cylinders), 2006 GMC Yukon is equipped with a bigger engine. In terms of performance, 2006 GMC Yukon (335 HP @ 5200 RPM) has 125 more horse power than 1999 Toyota Sienna. (210 HP @ 5200 RPM). In normal driving conditions, 2006 GMC Yukon should accelerate faster than 1999 Toyota Sienna.
Because 2006 GMC Yukon is four wheel drive (4WD), it will have significant more traction and grip than 1999 Toyota Sienna. In wet, icy, snow, or gravel driving conditions, 2006 GMC Yukon 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, 2006 GMC Yukon (509 Nm @ 4000 RPM) has 224 more torque (in Nm) than 1999 Toyota Sienna. (285 Nm @ 4300 RPM). This means 2006 GMC Yukon will have an easier job in driving up hills or pulling heavy equipment than 1999 Toyota Sienna.
Compare all specifications:
| 2006 GMC Yukon | 1999 Toyota Sienna | |
| Make | GMC | Toyota |
| Model | Yukon | Sienna |
| Year Released | 2006 | 1999 |
| Body Type | SUV | Minivan |
| Engine Position | Front | Front |
| Engine Size | 5964 cc | 3001 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 335 HP | 210 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 509 Nm | 285 Nm |
| Torque RPM | 4000 RPM | 4300 RPM |
| Engine Bore Size | 102 mm | 87.5 mm |
| Engine Stroke Size | 92 mm | 83 mm |
| Engine Compression Ratio | 9.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Vehicle Length | 5060 mm | 4920 mm |
| Vehicle Width | 2010 mm | 1870 mm |
| Vehicle Height | 1950 mm | 1720 mm |
| Wheelbase Size | 2950 mm | 2910 mm |
