1974 Mazda 616 vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 29 year(s). Which means there will be less support and parts availability for 1974 Mazda 616. In addition, the cost of maintenance, including insurance, on 1974 Mazda 616 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 128 more horse power than 1974 Mazda 616. (79 HP @ 5500 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1974 Mazda 616. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 701 kg more than 1974 Mazda 616. 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 (300 Nm @ 4000 RPM) has 176 more torque (in Nm) than 1974 Mazda 616. (124 Nm @ 3500 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1974 Mazda 616.
Compare all specifications:
| 1974 Mazda 616 | 2003 Opel Signum | |
| Make | Mazda | Opel |
| Model | 616 | Signum |
| Year Released | 1974 | 2003 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1586 cc | 3173 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 79 HP | 207 HP |
| Engine RPM | 5500 RPM | 6200 RPM |
| Torque | 124 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 78 mm | 87.5 mm |
| Engine Stroke Size | 83 mm | 88 mm |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 912 kg | 1613 kg |
| Vehicle Length | 4160 mm | 4640 mm |
| Vehicle Width | 1590 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2480 mm | 2840 mm |
