2004 Opel Signum vs. 2005 Holden Monaro
To start off, 2005 Holden Monaro is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 3,791 cc (6 cylinders), 2005 Holden Monaro is equipped with a bigger engine. In terms of performance, 2005 Holden Monaro (229 HP @ 5200 RPM) has 56 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 2005 Holden Monaro should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Holden Monaro weights approximately 42 kg more than 2004 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Holden Monaro 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 2005 Holden Monaro. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2005 Holden Monaro (374 Nm @ 3000 RPM) has 109 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2005 Holden Monaro will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 2005 Holden Monaro has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Holden Monaro will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Signum | 2005 Holden Monaro | |
| Make | Opel | Holden |
| Model | Signum | Monaro |
| Year Released | 2004 | 2005 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3791 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 173 HP | 229 HP |
| Engine RPM | 5500 RPM | 5200 RPM |
| Torque | 265 Nm | 374 Nm |
| Torque RPM | 2500 RPM | 3000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1560 kg | 1602 kg |
| Vehicle Length | 4640 mm | 4790 mm |
| Vehicle Width | 1800 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2840 mm | 2800 mm |
