2005 Fiat Siena vs. 1998 Buick Park Avenue
To start off, 2005 Fiat Siena is newer by 7 year(s). Which means there will be less support and parts availability for 1998 Buick Park Avenue. In addition, the cost of maintenance, including insurance, on 1998 Buick Park Avenue would be higher. At 3,798 cc (6 cylinders), 1998 Buick Park Avenue is equipped with a bigger engine. In terms of performance, 1998 Buick Park Avenue (240 HP @ 5200 RPM) has 116 more horse power than 2005 Fiat Siena. (124 HP @ 4000 RPM) In normal driving conditions, 1998 Buick Park Avenue should accelerate faster than 2005 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 1998 Buick Park Avenue weights approximately 645 kg more than 2005 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1998 Buick Park Avenue (387 Nm @ 3200 RPM) has 247 more torque (in Nm) than 2005 Fiat Siena. (140 Nm @ 4000 RPM). This means 1998 Buick Park Avenue will have an easier job in driving up hills or pulling heavy equipment than 2005 Fiat Siena. 1998 Buick Park Avenue has automatic transmission and 2005 Fiat Siena has manual transmission. 2005 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1998 Buick Park Avenue will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Fiat Siena | 1998 Buick Park Avenue | |
| Make | Fiat | Buick |
| Model | Siena | Park Avenue |
| Year Released | 2005 | 1998 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1585 cc | 3798 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 124 HP | 240 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 140 Nm | 387 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Engine Bore Size | 86.4 mm | 96.5 mm |
| Engine Stroke Size | 67.4 mm | 86.4 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1095 kg | 1740 kg |
| Wheelbase Size | 2450 mm | 2780 mm |
| Fuel Tank Capacity | 47 L | 70 L |
