1985 Mazda 121 vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 18 year(s). Which means there will be less support and parts availability for 1985 Mazda 121. In addition, the cost of maintenance, including insurance, on 1985 Mazda 121 would be higher. At 3,173 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (207 HP @ 6200 RPM) has 152 more horse power than 1985 Mazda 121. (55 HP @ 5800 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1985 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 888 kg more than 1985 Mazda 121. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2003 Opel Signum (300 Nm @ 4000 RPM) has 212 more torque (in Nm) than 1985 Mazda 121. (88 Nm @ 3600 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1985 Mazda 121. 2003 Opel Signum has automatic transmission and 1985 Mazda 121 has manual transmission. 1985 Mazda 121 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1985 Mazda 121 | 2003 Opel Signum | |
| Make | Mazda | Opel |
| Model | 121 | Signum |
| Year Released | 1985 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1138 cc | 3173 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 55 HP | 207 HP |
| Engine RPM | 5800 RPM | 6200 RPM |
| Torque | 88 Nm | 300 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Top Speed | 145 km/hour | 235 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 725 kg | 1613 kg |
| Vehicle Length | 3480 mm | 4640 mm |
| Vehicle Width | 1610 mm | 1800 mm |
| Vehicle Height | 1510 mm | 1470 mm |
| Wheelbase Size | 2370 mm | 2840 mm |
