2004 Buick Rainier vs. 2009 Chevrolet Impala
To start off, 2009 Chevrolet Impala is newer by 5 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 5,670 cc (8 cylinders), 2009 Chevrolet Impala is equipped with a bigger engine. In terms of performance, 2009 Chevrolet Impala (303 HP @ 5600 RPM) has 32 more horse power than 2004 Buick Rainier. (271 HP @ 6000 RPM) In normal driving conditions, 2009 Chevrolet Impala should accelerate faster than 2004 Buick Rainier. With that said, vehicle weight also plays an important factor in acceleration. 2009 Chevrolet Impala weights approximately 46 kg more than 2004 Buick Rainier. 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 2009 Chevrolet Impala. 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, 2009 Chevrolet Impala (438 Nm @ 4000 RPM) has 65 more torque (in Nm) than 2004 Buick Rainier. (373 Nm @ 3600 RPM). This means 2009 Chevrolet Impala will have an easier job in driving up hills or pulling heavy equipment than 2004 Buick Rainier.
Compare all specifications:
| 2004 Buick Rainier | 2009 Chevrolet Impala | |
| Make | Buick | Chevrolet |
| Model | Rainier | Impala |
| Year Released | 2004 | 2009 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4194 cc | 5670 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 271 HP | 303 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 373 Nm | 438 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2095 kg | 2141 kg |
| Vehicle Length | 4920 mm | 5100 mm |
| Vehicle Width | 1920 mm | 1860 mm |
| Vehicle Height | 1900 mm | 1500 mm |
| Wheelbase Size | 2800 mm | 2810 mm |
| Fuel Consumption Highway | 11.2 L/100km | 9.8 L/100km |
| Fuel Consumption City | 15.7 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 83 L | 64 L |
