1986 Mazda 929 vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 19 year(s). Which means there will be less support and parts availability for 1986 Mazda 929. In addition, the cost of maintenance, including insurance, on 1986 Mazda 929 would be higher. At 1,970 cc (4 cylinders), 1986 Mazda 929 is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (120 HP @ 6000 RPM) has 31 more horse power than 1986 Mazda 929. (89 HP @ 4800 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 1986 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 332 kg more than 1986 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Opel Signum (165 Nm @ 3800 RPM) has 5 more torque (in Nm) than 1986 Mazda 929. (160 Nm @ 2600 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1986 Mazda 929.
Compare all specifications:
| 1986 Mazda 929 | 2005 Opel Signum | |
| Make | Mazda | Opel |
| Model | 929 | Signum |
| Year Released | 1986 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 89 HP | 120 HP |
| Engine RPM | 4800 RPM | 6000 RPM |
| Torque | 160 Nm | 165 Nm |
| Torque RPM | 2600 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1150 kg | 1482 kg |
| Vehicle Length | 4710 mm | 4640 mm |
| Vehicle Width | 1700 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2620 mm | 2840 mm |
