2003 Opel Astra vs. 2005 Saturn Relay
To start off, 2005 Saturn Relay is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 3,498 cc (6 cylinders), 2005 Saturn Relay is equipped with a bigger engine. In terms of performance, 2005 Saturn Relay (197 HP @ 5200 RPM) has 53 more horse power than 2003 Opel Astra. (144 HP @ 5800 RPM) In normal driving conditions, 2005 Saturn Relay should accelerate faster than 2003 Opel Astra.
Because 2005 Saturn Relay is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Astra. 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 @ 4400 RPM) has 96 more torque (in Nm) than 2003 Opel Astra. (203 Nm @ 4000 RPM). This means 2005 Saturn Relay will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2003 Opel Astra | 2005 Saturn Relay | |
| Make | Opel | Saturn |
| Model | Astra | Relay |
| Year Released | 2003 | 2005 |
| Body Type | Station Wagon | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2172 cc | 3498 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 144 HP | 197 HP |
| Engine RPM | 5800 RPM | 5200 RPM |
| Torque | 203 Nm | 299 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4290 mm | 5110 mm |
| Vehicle Width | 1720 mm | 1840 mm |
| Vehicle Height | 1520 mm | 1740 mm |
| Wheelbase Size | 2640 mm | 3050 mm |
| Fuel Tank Capacity | 52 L | 62 L |
