2004 Buick Regal vs. 2008 Toyota Sienna
To start off, 2008 Toyota Sienna is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Buick Regal. In addition, the cost of maintenance, including insurance, on 2004 Buick Regal would be higher. At 3,791 cc (6 cylinders), 2004 Buick Regal is equipped with a bigger engine. In terms of performance, 2008 Toyota Sienna (266 HP @ 6200 RPM) has 69 more horse power than 2004 Buick Regal. (197 HP @ 5200 RPM) In normal driving conditions, 2008 Toyota Sienna should accelerate faster than 2004 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2008 Toyota Sienna weights approximately 417 kg more than 2004 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Toyota Sienna is four wheel drive (4WD), it will have significant more traction and grip than 2004 Buick Regal. In wet, icy, snow, or gravel driving conditions, 2008 Toyota Sienna 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, 2008 Toyota Sienna (332 Nm @ 4700 RPM) has 20 more torque (in Nm) than 2004 Buick Regal. (312 Nm @ 4000 RPM). This means 2008 Toyota Sienna will have an easier job in driving up hills or pulling heavy equipment than 2004 Buick Regal.
Compare all specifications:
| 2004 Buick Regal | 2008 Toyota Sienna | |
| Make | Buick | Toyota |
| Model | Regal | Sienna |
| Year Released | 2004 | 2008 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 3456 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 266 HP |
| Engine RPM | 5200 RPM | 6200 RPM |
| Torque | 312 Nm | 332 Nm |
| Torque RPM | 4000 RPM | 4700 RPM |
| Engine Compression Ratio | 9.4:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1521 kg | 1938 kg |
| Vehicle Length | 4990 mm | 5110 mm |
| Vehicle Width | 1850 mm | 1970 mm |
| Vehicle Height | 1440 mm | 1760 mm |
| Wheelbase Size | 3080 mm | 3040 mm |
| Fuel Consumption City | 11.9 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 10 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 66 L | 76 L |
