2008 Chevrolet Impala vs. 2003 Opel Signum
To start off, 2008 Chevrolet Impala is newer by 5 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 3,507 cc (6 cylinders), 2008 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 2008 Chevrolet Impala (211 HP @ 5800 RPM) has 59 more horse power than 2003 Opel Signum. (152 HP @ 5600 RPM). In normal driving conditions, 2008 Chevrolet Impala should accelerate faster than 2003 Opel Signum.
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, 2008 Chevrolet Impala (290 Nm @ 4000 RPM) has 70 more torque (in Nm) than 2003 Opel Signum. (220 Nm @ 3800 RPM). This means 2008 Chevrolet Impala will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2008 Chevrolet Impala | 2003 Opel Signum | |
| Make | Chevrolet | Opel |
| Model | Impala | Signum |
| Year Released | 2008 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3507 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 211 HP | 152 HP |
| Engine RPM | 5800 RPM | 5600 RPM |
| Torque | 290 Nm | 220 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Length | 5100 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1500 mm | 1470 mm |
| Wheelbase Size | 2810 mm | 2840 mm |
| Fuel Consumption Highway | 8.1 L/100km | 7.2 L/100km |
| Fuel Consumption City | 13.1 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 10.7 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 64 L | 60 L |
