2005 Mercedes-Benz R vs. 2004 Opel Signum
To start off, 2005 Mercedes-Benz R 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 2,987 cc (6 cylinders), 2005 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz R (221 HP @ 4200 RPM) has 48 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM). In normal driving conditions, 2005 Mercedes-Benz R should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz R weights approximately 710 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 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2005 Mercedes-Benz R will offer significantly more control. 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 Mercedes-Benz R (511 Nm @ 1600 RPM) has 246 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2005 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 2005 Mercedes-Benz R 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 Mercedes-Benz R will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Mercedes-Benz R | 2004 Opel Signum | |
| Make | Mercedes-Benz | Opel |
| Model | R | Signum |
| Year Released | 2005 | 2004 |
| Body Type | Minivan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2987 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 221 HP | 173 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 511 Nm | 265 Nm |
| Torque RPM | 1600 RPM | 2500 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 92 mm | 86 mm |
| Top Speed | 215 km/hour | 220 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2270 kg | 1560 kg |
| Vehicle Length | 5160 mm | 4640 mm |
| Vehicle Width | 1930 mm | 1800 mm |
| Vehicle Height | 1660 mm | 1470 mm |
| Wheelbase Size | 3220 mm | 2840 mm |
| Fuel Tank Capacity | 80 L | 60 L |
