2009 Buick LaCrosse vs. 2003 Opel Signum
To start off, 2009 Buick LaCrosse is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 3,791 cc (6 cylinders), 2009 Buick LaCrosse is equipped with a bigger engine. In terms of performance, 2009 Buick LaCrosse (200 HP) has 26 more horse power than 2003 Opel Signum. (174 HP). In normal driving conditions, 2009 Buick LaCrosse should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 78 kg more than 2009 Buick LaCrosse.
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, 2003 Opel Signum (370 Nm @ 1900 RPM) has 58 more torque (in Nm) than 2009 Buick LaCrosse. (312 Nm @ 4000 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2009 Buick LaCrosse.
Compare all specifications:
| 2009 Buick LaCrosse | 2003 Opel Signum | |
| Make | Buick | Opel |
| Model | LaCrosse | Signum |
| Year Released | 2009 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 200 HP | 174 HP |
| Torque | 312 Nm | 370 Nm |
| Torque RPM | 4000 RPM | 1900 RPM |
| Engine Compression Ratio | 9.4:1 | 18.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1617 kg | 1695 kg |
| Vehicle Length | 5040 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2810 mm | 2710 mm |
| Fuel Consumption Highway | 8.4 L/100km | 6 L/100km |
| Fuel Consumption City | 13.8 L/100km | 11.2 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 64 L | 60 L |
