2007 Buick LaCrosse vs. 2005 Opel Signum
To start off, 2007 Buick LaCrosse is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Signum. In addition, the cost of maintenance, including insurance, on 2005 Opel Signum would be higher. At 3,791 cc (6 cylinders), 2007 Buick LaCrosse is equipped with a bigger engine. In terms of performance, 2007 Buick LaCrosse (200 HP) has 76 more horse power than 2005 Opel Signum. (124 HP). In normal driving conditions, 2007 Buick LaCrosse should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Buick LaCrosse weights approximately 340 kg more than 2005 Opel Signum. 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 Buick LaCrosse (312 Nm @ 4000 RPM) has 32 more torque (in Nm) than 2005 Opel Signum. (280 Nm @ 1500 RPM). This means 2007 Buick LaCrosse will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum. 2007 Buick LaCrosse has automatic transmission and 2005 Opel Signum has manual transmission. 2005 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Buick LaCrosse will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Buick LaCrosse | 2005 Opel Signum | |
| Make | Buick | Opel |
| Model | LaCrosse | Signum |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 200 HP | 124 HP |
| Torque | 312 Nm | 280 Nm |
| Torque RPM | 4000 RPM | 1500 RPM |
| Engine Bore Size | 97 mm | 84 mm |
| Engine Stroke Size | 86 mm | 98 mm |
| Engine Compression Ratio | 9.4:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1950 kg | 1610 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 Overall | 10.2 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 64 L | 60 L |
