1983 Mazda 323 vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 20 year(s). Which means there will be less support and parts availability for 1983 Mazda 323. In addition, the cost of maintenance, including insurance, on 1983 Mazda 323 would be higher. At 2,198 cc (4 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (144 HP @ 6000 RPM) has 91 more horse power than 1983 Mazda 323. (53 HP @ 6000 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1983 Mazda 323. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 836 kg more than 1983 Mazda 323. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2003 Opel Signum (240 Nm @ 3800 RPM) has 161 more torque (in Nm) than 1983 Mazda 323. (79 Nm @ 4000 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1983 Mazda 323.
Compare all specifications:
| 1983 Mazda 323 | 2003 Opel Signum | |
| Make | Mazda | Opel |
| Model | 323 | Signum |
| Year Released | 1983 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1071 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 53 HP | 144 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 79 Nm | 240 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 850 kg | 1686 kg |
| Vehicle Length | 3960 mm | 4640 mm |
| Vehicle Width | 1640 mm | 1800 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2370 mm | 2640 mm |
