1984 Mazda RX-7 vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 21 year(s). Which means there will be less support and parts availability for 1984 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1984 Mazda RX-7 would be higher. At 2,292 cc, 1984 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 1984 Mazda RX-7 (104 HP @ 6000 RPM) has 5 more horse power than 2005 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 1984 Mazda RX-7 should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 535 kg more than 1984 Mazda RX-7.
Because 1984 Mazda RX-7 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 1984 Mazda RX-7. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Opel Signum (230 Nm @ 1500 RPM) has 85 more torque (in Nm) than 1984 Mazda RX-7. (145 Nm @ 4000 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1984 Mazda RX-7.
Compare all specifications:
| 1984 Mazda RX-7 | 2005 Opel Signum | |
| Make | Mazda | Opel |
| Model | RX-7 | Signum |
| Year Released | 1984 | 2005 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2292 cc | 1993 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 104 HP | 99 HP |
| Engine RPM | 6000 RPM | 3120 RPM |
| Torque | 145 Nm | 230 Nm |
| Torque RPM | 4000 RPM | 1500 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1060 kg | 1595 kg |
| Vehicle Length | 4290 mm | 4640 mm |
| Vehicle Width | 1680 mm | 1800 mm |
| Vehicle Height | 1270 mm | 1470 mm |
| Wheelbase Size | 2430 mm | 2740 mm |
| Fuel Tank Capacity | 65 L | 60 L |
