1985 Mazda 323 vs. 1999 Opel Signum
To start off, 1999 Opel Signum is newer by 14 year(s). Which means there will be less support and parts availability for 1985 Mazda 323. In addition, the cost of maintenance, including insurance, on 1985 Mazda 323 would be higher. At 1,995 cc (4 cylinders), 1999 Opel Signum is equipped with a bigger engine. In terms of performance, 1985 Mazda 323 (103 HP @ 6000 RPM) has 4 more horse power than 1999 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 1985 Mazda 323 should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 655 kg more than 1985 Mazda 323.
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, 1999 Opel Signum (240 Nm @ 1500 RPM) has 103 more torque (in Nm) than 1985 Mazda 323. (137 Nm @ 4200 RPM). This means 1999 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1985 Mazda 323.
Compare all specifications:
| 1985 Mazda 323 | 1999 Opel Signum | |
| Make | Mazda | Opel |
| Model | 323 | Signum |
| Year Released | 1985 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1597 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 103 HP | 99 HP |
| Engine RPM | 6000 RPM | 3120 RPM |
| Torque | 137 Nm | 240 Nm |
| Torque RPM | 4200 RPM | 1500 RPM |
| Engine Bore Size | 78 mm | 84 mm |
| Engine Stroke Size | 83 mm | 90 mm |
| Engine Compression Ratio | 8.6:1 | 18.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 940 kg | 1595 kg |
| Vehicle Length | 4000 mm | 4640 mm |
| Vehicle Width | 1660 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2410 mm | 2840 mm |
