1974 Mazda 818 vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 33 year(s). Which means there will be less support and parts availability for 1974 Mazda 818. In addition, the cost of maintenance, including insurance, on 1974 Mazda 818 would be higher. At 3,173 cc (6 cylinders), 2007 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Opel Signum (208 HP @ 6200 RPM) has 140 more horse power than 1974 Mazda 818. (68 HP @ 6200 RPM) In normal driving conditions, 2007 Opel Signum should accelerate faster than 1974 Mazda 818. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 610 kg more than 1974 Mazda 818. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1974 Mazda 818 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 1974 Mazda 818. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Opel Signum (300 Nm @ 4000 RPM) has 208 more torque (in Nm) than 1974 Mazda 818. (92 Nm @ 4000 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1974 Mazda 818.
Compare all specifications:
| 1974 Mazda 818 | 2007 Opel Signum | |
| Make | Mazda | Opel |
| Model | 818 | Signum |
| Year Released | 1974 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1272 cc | 3173 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 68 HP | 208 HP |
| Engine RPM | 6200 RPM | 6200 RPM |
| Torque | 92 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Vehicle Weight | 1000 kg | 1610 kg |
| Vehicle Length | 4100 mm | 4640 mm |
| Vehicle Width | 1600 mm | 1800 mm |
| Vehicle Height | 1410 mm | 1470 mm |
| Wheelbase Size | 2320 mm | 2840 mm |
