2003 Opel Signum vs. 1987 Opel Monza
To start off, 2003 Opel Signum is newer by 16 year(s). Which means there will be less support and parts availability for 1987 Opel Monza. In addition, the cost of maintenance, including insurance, on 1987 Opel Monza would be higher. At 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (175 HP @ 5500 RPM) has 61 more horse power than 1987 Opel Monza. (114 HP @ 4800 RPM). In normal driving conditions, 2003 Opel Signum should accelerate faster than 1987 Opel Monza. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 255 kg more than 1987 Opel Monza. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1987 Opel Monza 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 1987 Opel Monza. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Opel Signum (370 Nm @ 1900 RPM) has 188 more torque (in Nm) than 1987 Opel Monza. (182 Nm @ 2800 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1987 Opel Monza.
Compare all specifications:
| 2003 Opel Signum | 1987 Opel Monza | |
| Make | Opel | Opel |
| Model | Signum | Monza |
| Year Released | 2003 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 2197 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 114 HP |
| Engine RPM | 5500 RPM | 4800 RPM |
| Torque | 370 Nm | 182 Nm |
| Torque RPM | 1900 RPM | 2800 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1575 kg | 1320 kg |
| Vehicle Length | 4640 mm | 4700 mm |
| Vehicle Width | 1800 mm | 1740 mm |
| Vehicle Height | 1470 mm | 1390 mm |
| Wheelbase Size | 2840 mm | 2670 mm |
