2007 Cadillac BLS vs. 1999 Fiat Siena
To start off, 2007 Cadillac BLS is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Fiat Siena. In addition, the cost of maintenance, including insurance, on 1999 Fiat Siena would be higher. At 1,910 cc, 1999 Fiat Siena is equipped with a bigger engine. In terms of performance, 2007 Cadillac BLS (148 HP @ 4000 RPM) has 97 more horse power than 1999 Fiat Siena. (51 HP @ 4000 RPM). In normal driving conditions, 2007 Cadillac BLS should accelerate faster than 1999 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac BLS weights approximately 335 kg more than 1999 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, 2007 Cadillac BLS (320 Nm) has 120 more torque (in Nm) than 1999 Fiat Siena. (200 Nm). This means 2007 Cadillac BLS will have an easier job in driving up hills or pulling heavy equipment than 1999 Fiat Siena.
Compare all specifications:
| 2007 Cadillac BLS | 1999 Fiat Siena | |
| Make | Cadillac | Fiat |
| Model | BLS | Siena |
| Year Released | 2007 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1908 cc | 1910 cc |
| Horse Power | 148 HP | 51 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 320 Nm | 200 Nm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1635 kg | 1300 kg |
| Fuel Tank Capacity | 58 L | 65 L |
