2006 Buick Lucerne vs. 2005 Fiat Siena
To start off, 2006 Buick Lucerne is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2005 Fiat Siena would be higher. At 3,786 cc (6 cylinders), 2006 Buick Lucerne is equipped with a bigger engine. In terms of performance, 2006 Buick Lucerne (198 HP @ 5200 RPM) has 74 more horse power than 2005 Fiat Siena. (124 HP @ 4000 RPM). In normal driving conditions, 2006 Buick Lucerne should accelerate faster than 2005 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Buick Lucerne weights approximately 455 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, 2006 Buick Lucerne (308 Nm @ 3800 RPM) has 168 more torque (in Nm) than 2005 Fiat Siena. (140 Nm @ 4000 RPM). This means 2006 Buick Lucerne will have an easier job in driving up hills or pulling heavy equipment than 2005 Fiat Siena. 2006 Buick Lucerne 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. 2006 Buick Lucerne will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Buick Lucerne | 2005 Fiat Siena | |
| Make | Buick | Fiat |
| Model | Lucerne | Siena |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3786 cc | 1585 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 198 HP | 124 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 308 Nm | 140 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Bore Size | 97 mm | 86.4 mm |
| Engine Stroke Size | 86 mm | 67.4 mm |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1550 kg | 1095 kg |
| Wheelbase Size | 2940 mm | 2450 mm |
| Fuel Tank Capacity | 68 L | 47 L |
