2005 Mazda RX-8 vs. 2005 Opel Signum
To start off, both 2005 Mazda RX-8 and 2005 Opel Signum were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,174 cc (6 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (208 HP @ 6000 RPM) has 11 more horse power than 2005 Mazda RX-8. (197 HP @ 4000 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 2005 Mazda RX-8. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 225 kg more than 2005 Mazda RX-8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mazda RX-8 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 2005 Mazda RX-8. 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 (300 Nm @ 4000 RPM) has 78 more torque (in Nm) than 2005 Mazda RX-8. (222 Nm @ 5500 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda RX-8. 2005 Mazda RX-8 has automatic transmission and 2005 Opel Signum has manual transmission. 2005 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mazda RX-8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Mazda RX-8 | 2005 Opel Signum | |
| Make | Mazda | Opel |
| Model | RX-8 | Signum |
| Year Released | 2005 | 2005 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1311 cc | 3174 cc |
| Engine Type | dual-disk rotary | V |
| Horse Power | 197 HP | 208 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 222 Nm | 300 Nm |
| Torque RPM | 5500 RPM | 4000 RPM |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1385 kg | 1610 kg |
| Vehicle Length | 4430 mm | 4640 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1350 mm | 1470 mm |
| Wheelbase Size | 2680 mm | 2840 mm |
| Fuel Consumption Overall | 11.9 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
