2004 Opel Signum vs. 2005 Saturn Relay
To start off, 2005 Saturn Relay 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 3,491 cc (6 cylinders), 2005 Saturn Relay is equipped with a bigger engine. In terms of performance, 2005 Saturn Relay (200 HP) has 27 more horse power than 2004 Opel Signum. (173 HP) In normal driving conditions, 2005 Saturn Relay should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Saturn Relay weights approximately 550 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 Saturn Relay 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 Saturn Relay 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 Saturn Relay (299 Nm) has 34 more torque (in Nm) than 2004 Opel Signum. (265 Nm). This means 2005 Saturn Relay will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2004 Opel Signum | 2005 Saturn Relay | |
| Make | Opel | Saturn |
| Model | Signum | Relay |
| Year Released | 2004 | 2005 |
| Body Type | Hatchback | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3491 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 173 HP | 200 HP |
| Torque | 265 Nm | 299 Nm |
| Engine Bore Size | 86 mm | 94 mm |
| Engine Stroke Size | 86 mm | 84 mm |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 2110 kg |
| Vehicle Length | 4640 mm | 5210 mm |
| Vehicle Width | 1800 mm | 1840 mm |
| Vehicle Height | 1470 mm | 1840 mm |
| Wheelbase Size | 2840 mm | 3080 mm |
| Fuel Consumption Overall | 9.4 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 60 L | 95 L |
