2004 Opel Signum vs. 2011 Infiniti M
To start off, 2011 Infiniti M is newer by 7 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 3,700 cc (6 cylinders), 2011 Infiniti M is equipped with a bigger engine. In terms of performance, 2011 Infiniti M (330 HP @ 7000 RPM) has 157 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 2011 Infiniti M should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2011 Infiniti M weights approximately 190 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 2011 Infiniti M 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 2011 Infiniti M. 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, 2011 Infiniti M (366 Nm @ 5200 RPM) has 101 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2011 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 2011 Infiniti M 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. 2011 Infiniti M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Signum | 2011 Infiniti M | |
| Make | Opel | Infiniti |
| Model | Signum | M |
| Year Released | 2004 | 2011 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3700 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 330 HP |
| Engine RPM | 5500 RPM | 7000 RPM |
| Torque | 265 Nm | 366 Nm |
| Torque RPM | 2500 RPM | 5200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1750 kg |
| Vehicle Length | 4640 mm | 4945 mm |
| Vehicle Width | 1800 mm | 1844 mm |
| Vehicle Height | 1470 mm | 1501 mm |
| Wheelbase Size | 2840 mm | 2901 mm |
| Fuel Tank Capacity | 60 L | 76 L |
