1975 Mazda RX-3 vs. 2002 Opel Signum
To start off, 2002 Opel Signum is newer by 27 year(s). Which means there will be less support and parts availability for 1975 Mazda RX-3. In addition, the cost of maintenance, including insurance, on 1975 Mazda RX-3 would be higher. At 2,172 cc (4 cylinders), 2002 Opel Signum is equipped with a bigger engine. In terms of performance, 2002 Opel Signum (153 HP @ 5600 RPM) has 53 more horse power than 1975 Mazda RX-3. (100 HP @ 7000 RPM) In normal driving conditions, 2002 Opel Signum should accelerate faster than 1975 Mazda RX-3. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Signum weights approximately 635 kg more than 1975 Mazda RX-3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 Mazda RX-3 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 1975 Mazda RX-3. However, in wet, icy, snow, or gravel driving conditions, 2002 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, 2002 Opel Signum (250 Nm @ 3800 RPM) has 114 more torque (in Nm) than 1975 Mazda RX-3. (136 Nm @ 4000 RPM). This means 2002 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda RX-3.
Compare all specifications:
| 1975 Mazda RX-3 | 2002 Opel Signum | |
| Make | Mazda | Opel |
| Model | RX-3 | Signum |
| Year Released | 1975 | 2002 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1964 cc | 2172 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 100 HP | 153 HP |
| Engine RPM | 7000 RPM | 5600 RPM |
| Torque | 136 Nm | 250 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 850 kg | 1485 kg |
| Vehicle Length | 4090 mm | 4640 mm |
| Vehicle Width | 1600 mm | 1800 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2320 mm | 2710 mm |
| Fuel Tank Capacity | 65 L | 60 L |
