1971 Nissan Bluebird vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 32 year(s). Which means there will be less support and parts availability for 1971 Nissan Bluebird. In addition, the cost of maintenance, including insurance, on 1971 Nissan Bluebird would be higher. At 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (175 HP) has 94 more horse power than 1971 Nissan Bluebird. (81 HP) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1971 Nissan Bluebird. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 560 kg more than 1971 Nissan Bluebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2003 Opel Signum (370 Nm @ 1900 RPM) has 223 more torque (in Nm) than 1971 Nissan Bluebird. (147 Nm @ 3600 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1971 Nissan Bluebird.
Compare all specifications:
| 1971 Nissan Bluebird | 2003 Opel Signum | |
| Make | Nissan | Opel |
| Model | Bluebird | Signum |
| Year Released | 1971 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1770 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 81 HP | 175 HP |
| Torque | 147 Nm | 370 Nm |
| Torque RPM | 3600 RPM | 1900 RPM |
| Fuel Type | Gasoline | Diesel |
| Vehicle Weight | 1015 kg | 1575 kg |
| Vehicle Length | 4220 mm | 4640 mm |
| Vehicle Width | 1610 mm | 1800 mm |
| Vehicle Height | 1410 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2840 mm |
