1971 Chevrolet Impala vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 34 year(s). Which means there will be less support and parts availability for 1971 Chevrolet Impala. In addition, the cost of maintenance, including insurance, on 1971 Chevrolet Impala would be higher. At 4,092 cc (6 cylinders), 1971 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 1971 Chevrolet Impala (110 HP @ 3800 RPM) has 11 more horse power than 2005 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 1971 Chevrolet Impala should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1971 Chevrolet Impala weights approximately 120 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.
Because 1971 Chevrolet Impala is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1971 Chevrolet Impala. However, in wet, icy, snow, or gravel driving conditions, 2005 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. 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, 1971 Chevrolet Impala (256 Nm @ 1600 RPM) has 26 more torque (in Nm) than 2005 Opel Signum. (230 Nm @ 1500 RPM). This means 1971 Chevrolet Impala will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum.
Compare all specifications:
| 1971 Chevrolet Impala | 2005 Opel Signum | |
| Make | Chevrolet | Opel |
| Model | Impala | Signum |
| Year Released | 1971 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 4092 cc | 1993 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 110 HP | 99 HP |
| Engine RPM | 3800 RPM | 3120 RPM |
| Torque | 256 Nm | 230 Nm |
| Torque RPM | 1600 RPM | 1500 RPM |
| Engine Bore Size | 98.2 mm | 84 mm |
| Engine Stroke Size | 89.6 mm | 90 mm |
| Engine Compression Ratio | 8.5:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1715 kg | 1595 kg |
| Vehicle Length | 5600 mm | 4640 mm |
| Vehicle Width | 2030 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 3100 mm | 2740 mm |
