1975 Holden Gemini vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 33 year(s). Which means there will be less support and parts availability for 1975 Holden Gemini. In addition, the cost of maintenance, including insurance, on 1975 Holden Gemini would be higher. At 2,197 cc (4 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (153 HP @ 5600 RPM) has 72 more horse power than 1975 Holden Gemini. (81 HP @ 5200 RPM) In normal driving conditions, 2008 Opel Signum should accelerate faster than 1975 Holden Gemini. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 635 kg more than 1975 Holden Gemini. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 Holden Gemini 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 1975 Holden Gemini. However, in wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Opel Signum (220 Nm @ 3800 RPM) has 93 more torque (in Nm) than 1975 Holden Gemini. (127 Nm @ 3600 RPM). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1975 Holden Gemini. 2008 Opel Signum has automatic transmission and 1975 Holden Gemini has manual transmission. 1975 Holden Gemini will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1975 Holden Gemini | 2008 Opel Signum | |
| Make | Holden | Opel |
| Model | Gemini | Signum |
| Year Released | 1975 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1582 cc | 2197 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 81 HP | 153 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 127 Nm | 220 Nm |
| Torque RPM | 3600 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 900 kg | 1535 kg |
| Vehicle Length | 4140 mm | 4640 mm |
| Vehicle Width | 1580 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 2410 mm | 2840 mm |
