2004 Buick Regal vs. 2009 Chevrolet Optra
To start off, 2009 Chevrolet Optra is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Buick Regal. In addition, the cost of maintenance, including insurance, on 2004 Buick Regal would be higher. At 3,791 cc (6 cylinders), 2004 Buick Regal is equipped with a bigger engine. In terms of performance, 2004 Buick Regal (201 HP) has 93 more horse power than 2009 Chevrolet Optra. (108 HP). In normal driving conditions, 2004 Buick Regal should accelerate faster than 2009 Chevrolet Optra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick Regal weights approximately 289 kg more than 2009 Chevrolet Optra. 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, 2004 Buick Regal (305 Nm) has 155 more torque (in Nm) than 2009 Chevrolet Optra. (150 Nm). This means 2004 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2009 Chevrolet Optra.
Compare all specifications:
| 2004 Buick Regal | 2009 Chevrolet Optra | |
| Make | Buick | Chevrolet |
| Model | Regal | Optra |
| Year Released | 2004 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1597 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 201 HP | 108 HP |
| Torque | 305 Nm | 150 Nm |
| Engine Bore Size | 97 mm | 79 mm |
| Engine Stroke Size | 86 mm | 81.5 mm |
| Engine Compression Ratio | 9.4:1 | 9.5:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1550 kg | 1261 kg |
| Vehicle Length | 4990 mm | 4510 mm |
| Vehicle Width | 1850 mm | 1730 mm |
| Vehicle Height | 1440 mm | 1450 mm |
| Wheelbase Size | 2780 mm | 2610 mm |
| Fuel Consumption Overall | 9.8 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 64 L | 60 L |
