1998 Buick Century vs. 2006 Fiat Siena
To start off, 2006 Fiat Siena is newer by 8 year(s). Which means there will be less support and parts availability for 1998 Buick Century. In addition, the cost of maintenance, including insurance, on 1998 Buick Century would be higher. At 3,135 cc (6 cylinders), 1998 Buick Century is equipped with a bigger engine. In terms of performance, 1998 Buick Century (165 HP @ 5200 RPM) has 65 more horse power than 2006 Fiat Siena. (100 HP @ 5500 RPM). In normal driving conditions, 1998 Buick Century should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Fiat Siena weights approximately 263 kg more than 1998 Buick Century.
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 Century (251 Nm @ 4000 RPM) has 177 more torque (in Nm) than 2006 Fiat Siena. (74 Nm @ 5500 RPM). This means 1998 Buick Century will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena. 1998 Buick Century has automatic transmission and 2006 Fiat Siena has manual transmission. 2006 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1998 Buick Century will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1998 Buick Century | 2006 Fiat Siena | |
| Make | Buick | Fiat |
| Model | Century | Siena |
| Year Released | 1998 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3135 cc | 1581 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 165 HP | 100 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 251 Nm | 74 Nm |
| Torque RPM | 4000 RPM | 5500 RPM |
| Engine Compression Ratio | 9.6:1 | 9.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1520 kg | 1783 kg |
| Vehicle Length | 4950 mm | 3830 mm |
| Vehicle Width | 1850 mm | 1640 mm |
| Vehicle Height | 1440 mm | 1440 mm |
| Wheelbase Size | 2780 mm | 2380 mm |
| Fuel Consumption Overall | 9.8 L/100km | 8 L/100km |
| Fuel Tank Capacity | 64 L | 54 L |
