2007 Opel Astra vs. 2005 Saturn Relay
To start off, 2007 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Saturn Relay. In addition, the cost of maintenance, including insurance, on 2005 Saturn Relay 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 (201 HP) has 77 more horse power than 2007 Opel Astra. (124 HP) In normal driving conditions, 2005 Saturn Relay should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Saturn Relay weights approximately 613 kg more than 2007 Opel Astra. 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, 2005 Saturn Relay (298 Nm) has 128 more torque (in Nm) than 2007 Opel Astra. (170 Nm). This means 2005 Saturn Relay will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2007 Opel Astra | 2005 Saturn Relay | |
| Make | Opel | Saturn |
| Model | Astra | Relay |
| Year Released | 2007 | 2005 |
| Body Type | Station Wagon | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 3491 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 124 HP | 201 HP |
| Torque | 170 Nm | 298 Nm |
| Engine Bore Size | 80.5 mm | 94 mm |
| Engine Stroke Size | 88.2 mm | 84 mm |
| Engine Compression Ratio | 10.5:1 | 9.8:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1325 kg | 1938 kg |
| Vehicle Length | 4520 mm | 5210 mm |
| Vehicle Width | 1800 mm | 1840 mm |
| Vehicle Height | 1510 mm | 1840 mm |
| Wheelbase Size | 2710 mm | 3080 mm |
| Fuel Consumption Overall | 7.8 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 52 L | 95 L |
