1985 Opel Monza vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 18 year(s). Which means there will be less support and parts availability for 1985 Opel Monza. In addition, the cost of maintenance, including insurance, on 1985 Opel Monza would be higher. At 3,173 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (207 HP @ 6200 RPM) has 93 more horse power than 1985 Opel Monza. (114 HP @ 4800 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1985 Opel Monza. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 287 kg more than 1985 Opel Monza. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1985 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 1985 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 (300 Nm @ 4000 RPM) has 114 more torque (in Nm) than 1985 Opel Monza. (186 Nm @ 2800 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1985 Opel Monza.
Compare all specifications:
| 1985 Opel Monza | 2003 Opel Signum | |
| Make | Opel | Opel |
| Model | Monza | Signum |
| Year Released | 1985 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2197 cc | 3173 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 114 HP | 207 HP |
| Engine RPM | 4800 RPM | 6200 RPM |
| Torque | 186 Nm | 300 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Engine Bore Size | 95 mm | 87.5 mm |
| Engine Stroke Size | 77.5 mm | 88 mm |
| Engine Compression Ratio | 9.4:1 | 10.0:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1326 kg | 1613 kg |
| Vehicle Length | 4700 mm | 4640 mm |
| Vehicle Width | 1740 mm | 1800 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2670 mm | 2840 mm |
