2003 Opel Signum vs. 2005 Renault Grand Espace
To start off, 2005 Renault Grand Espace is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 3,498 cc (6 cylinders), 2005 Renault Grand Espace is equipped with a bigger engine. In terms of performance, 2005 Renault Grand Espace (238 HP @ 6000 RPM) has 64 more horse power than 2003 Opel Signum. (174 HP @ 4000 RPM) In normal driving conditions, 2005 Renault Grand Espace should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Renault Grand Espace weights approximately 141 kg more than 2003 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2003 Opel Signum (370 Nm @ 1900 RPM) has 40 more torque (in Nm) than 2005 Renault Grand Espace. (330 Nm @ 3600 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Renault Grand Espace.
Compare all specifications:
| 2003 Opel Signum | 2005 Renault Grand Espace | |
| Make | Opel | Renault |
| Model | Signum | Grand Espace |
| Year Released | 2003 | 2005 |
| Body Type | Hatchback | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 174 HP | 238 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 370 Nm | 330 Nm |
| Torque RPM | 1900 RPM | 3600 RPM |
| Engine Bore Size | 87.6 mm | 95.5 mm |
| Engine Stroke Size | 82 mm | 81.4 mm |
| Engine Compression Ratio | 18.5:1 | 10.3:1 |
| Acceleration 0-100mph | 9.9 seconds | 8.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1695 kg | 1836 kg |
| Vehicle Length | 4640 mm | 4870 mm |
| Vehicle Width | 1800 mm | 1900 mm |
| Vehicle Height | 1470 mm | 1750 mm |
| Wheelbase Size | 2710 mm | 2630 mm |
| Fuel Consumption Overall | 7.9 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 60 L | 83 L |
