2004 Buick Rainier vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Buick Rainier. In addition, the cost of maintenance, including insurance, on 2004 Buick Rainier would be higher. At 4,194 cc (6 cylinders), 2004 Buick Rainier is equipped with a bigger engine. In terms of performance, 2004 Buick Rainier (271 HP @ 6000 RPM) has 63 more horse power than 2005 Opel Signum. (208 HP @ 6000 RPM). In normal driving conditions, 2004 Buick Rainier should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick Rainier weights approximately 485 kg more than 2005 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2004 Buick Rainier 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, 2004 Buick Rainier (373 Nm @ 3600 RPM) has 73 more torque (in Nm) than 2005 Opel Signum. (300 Nm @ 4000 RPM). This means 2004 Buick Rainier will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum. 2004 Buick Rainier has automatic transmission and 2005 Opel Signum has manual transmission. 2005 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Buick Rainier will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Buick Rainier | 2005 Opel Signum | |
| Make | Buick | Opel |
| Model | Rainier | Signum |
| Year Released | 2004 | 2005 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4194 cc | 3174 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 208 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 373 Nm | 300 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 87.5 mm |
| Engine Stroke Size | 102 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2095 kg | 1610 kg |
| Vehicle Length | 4920 mm | 4640 mm |
| Vehicle Width | 1920 mm | 1800 mm |
| Vehicle Height | 1900 mm | 1470 mm |
| Wheelbase Size | 2800 mm | 2840 mm |
| Fuel Consumption Overall | 13.8 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 83 L | 60 L |
