2004 Opel Signum vs. 1987 Chevrolet Astro
To start off, 2004 Opel Signum is newer by 17 year(s). Which means there will be less support and parts availability for 1987 Chevrolet Astro. In addition, the cost of maintenance, including insurance, on 1987 Chevrolet Astro would be higher. At 4,293 cc (6 cylinders), 1987 Chevrolet Astro is equipped with a bigger engine. In terms of performance, 1987 Chevrolet Astro (183 HP @ 4400 RPM) has 10 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 1987 Chevrolet Astro should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1987 Chevrolet Astro weights approximately 335 kg more than 2004 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1987 Chevrolet Astro is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Signum. In wet, icy, snow, or gravel driving conditions, 1987 Chevrolet Astro will offer significantly more control. 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, 1987 Chevrolet Astro (338 Nm @ 2800 RPM) has 73 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 1987 Chevrolet Astro will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2004 Opel Signum | 1987 Chevrolet Astro | |
| Make | Opel | Chevrolet |
| Model | Signum | Astro |
| Year Released | 2004 | 1987 |
| Body Type | Hatchback | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 4293 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 173 HP | 183 HP |
| Engine RPM | 5500 RPM | 4400 RPM |
| Torque | 265 Nm | 338 Nm |
| Torque RPM | 2500 RPM | 2800 RPM |
| Engine Bore Size | 86 mm | 101.6 mm |
| Engine Stroke Size | 86 mm | 88.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 8 seats |
| Vehicle Weight | 1560 kg | 1895 kg |
| Vehicle Length | 4640 mm | 4830 mm |
| Vehicle Width | 1800 mm | 1980 mm |
| Vehicle Height | 1470 mm | 1910 mm |
| Wheelbase Size | 2840 mm | 2830 mm |
