1999 Buick Park Avenue vs. 1998 Toyota Sienna
To start off, 1999 Buick Park Avenue is newer by 1 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 3,789 cc (6 cylinders), 1999 Buick Park Avenue is equipped with a bigger engine. In terms of performance, 1999 Buick Park Avenue (205 HP @ 5200 RPM) has 16 more horse power than 1998 Toyota Sienna. (189 HP @ 5200 RPM). In normal driving conditions, 1999 Buick Park Avenue should accelerate faster than 1998 Toyota Sienna. With that said, vehicle weight also plays an important factor in acceleration. 1998 Toyota Sienna weights approximately 23 kg more than 1999 Buick Park Avenue.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Buick Park Avenue (312 Nm @ 4000 RPM) has 33 more torque (in Nm) than 1998 Toyota Sienna. (279 Nm @ 4300 RPM). This means 1999 Buick Park Avenue will have an easier job in driving up hills or pulling heavy equipment than 1998 Toyota Sienna.
Compare all specifications:
| 1999 Buick Park Avenue | 1998 Toyota Sienna | |
| Make | Buick | Toyota |
| Model | Park Avenue | Sienna |
| Year Released | 1999 | 1998 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 2982 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 205 HP | 189 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 312 Nm | 279 Nm |
| Torque RPM | 4000 RPM | 4300 RPM |
| Engine Bore Size | 96.5 mm | 87.6 mm |
| Engine Stroke Size | 86.4 mm | 83 mm |
| Engine Compression Ratio | 9.4:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1682 kg | 1705 kg |
| Vehicle Length | 5260 mm | 4920 mm |
| Vehicle Width | 1900 mm | 1870 mm |
| Vehicle Height | 1470 mm | 1720 mm |
| Wheelbase Size | 2860 mm | 2910 mm |
