1999 Chevrolet Impala vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 1999 Chevrolet Impala would be higher. At 3,786 cc (6 cylinders), 1999 Chevrolet Impala is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 426 kg more than 1999 Chevrolet Impala.
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 Opel Signum (315 Nm) has 10 more torque (in Nm) than 1999 Chevrolet Impala. (305 Nm). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1999 Chevrolet Impala. 1999 Chevrolet Impala has automatic transmission and 2007 Opel Signum has manual transmission. 2007 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Chevrolet Impala will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Chevrolet Impala | 2007 Opel Signum | |
| Make | Chevrolet | Opel |
| Model | Impala | Signum |
| Year Released | 1999 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3786 cc | 1909 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 0 HP | 148 HP |
| Torque | 305 Nm | 315 Nm |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1187 kg | 1613 kg |
| Vehicle Length | 5090 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2720 mm | 2840 mm |
| Fuel Tank Capacity | 56 L | 60 L |
