2005 Buick LeSabre vs. 2003 Opel Signum
To start off, 2005 Buick LeSabre is newer by 2 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 3,786 cc (6 cylinders), 2005 Buick LeSabre is equipped with a bigger engine. In terms of performance, 2005 Buick LeSabre (205 HP @ 5200 RPM) has 61 more horse power than 2003 Opel Signum. (144 HP @ 6000 RPM). In normal driving conditions, 2005 Buick LeSabre should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 68 kg more than 2005 Buick LeSabre.
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, 2005 Buick LeSabre (312 Nm) has 72 more torque (in Nm) than 2003 Opel Signum. (240 Nm). This means 2005 Buick LeSabre will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2005 Buick LeSabre | 2003 Opel Signum | |
| Make | Buick | Opel |
| Model | LeSabre | Signum |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3786 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 205 HP | 144 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 312 Nm | 240 Nm |
| Engine Bore Size | 97 mm | 86 mm |
| Engine Stroke Size | 86 mm | 94.6 mm |
| Engine Compression Ratio | 9.4:1 | 12.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1618 kg | 1686 kg |
| Vehicle Length | 5090 mm | 4640 mm |
| Vehicle Width | 1870 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2860 mm | 2640 mm |
| Fuel Consumption Highway | 8.1 L/100km | 7.2 L/100km |
| Fuel Consumption City | 11.8 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 10.2 L/100km | 5.2 L/100km |
| Fuel Tank Capacity | 68 L | 58 L |
