2005 Chevrolet Lumina vs. 2006 Fiat Siena
To start off, 2006 Fiat Siena is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Chevrolet Lumina. In addition, the cost of maintenance, including insurance, on 2005 Chevrolet Lumina would be higher. At 3,791 cc (6 cylinders), 2005 Chevrolet Lumina is equipped with a bigger engine. In terms of performance, 2005 Chevrolet Lumina (196 HP @ 5600 RPM) has 124 more horse power than 2006 Fiat Siena. (72 HP @ 6000 RPM). In normal driving conditions, 2005 Chevrolet Lumina should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2005 Chevrolet Lumina weights approximately 433 kg more than 2006 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Chevrolet Lumina is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Chevrolet Lumina. However, in wet, icy, snow, or gravel driving conditions, 2006 Fiat Siena, being front wheel drive (FWD), will offer much better control with better grip. 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, 2005 Chevrolet Lumina (305 Nm @ 3600 RPM) has 203 more torque (in Nm) than 2006 Fiat Siena. (102 Nm @ 3250 RPM). This means 2005 Chevrolet Lumina will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena. 2005 Chevrolet Lumina 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. 2005 Chevrolet Lumina will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Chevrolet Lumina | 2006 Fiat Siena | |
| Make | Chevrolet | Fiat |
| Model | Lumina | Siena |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1242 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 196 HP | 72 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 305 Nm | 102 Nm |
| Torque RPM | 3600 RPM | 3250 RPM |
| Engine Compression Ratio | 9.4:1 | 9.1:1 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1603 kg | 1170 kg |
| Wheelbase Size | 2880 mm | 2380 mm |
| Fuel Tank Capacity | 75 L | 54 L |
