2009 Cadillac STS vs. 2011 Chevrolet Optra
To start off, 2011 Chevrolet Optra is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2009 Cadillac STS would be higher. At 3,564 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (300 HP) has 192 more horse power than 2011 Chevrolet Optra. (108 HP). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2011 Chevrolet Optra. With that said, vehicle weight also plays an important factor in acceleration. 2011 Chevrolet Optra weights approximately 603 kg more than 2009 Cadillac STS.
Because 2009 Cadillac STS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2011 Chevrolet Optra, being front wheel drive (FWD), will offer much better control with better grip. 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 Cadillac STS (273 Nm @ 5200 RPM) has 122 more torque (in Nm) than 2011 Chevrolet Optra. (151 Nm @ 4000 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2011 Chevrolet Optra. 2009 Cadillac STS has automatic transmission and 2011 Chevrolet Optra has manual transmission. 2011 Chevrolet Optra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Cadillac STS | 2011 Chevrolet Optra | |
| Make | Cadillac | Chevrolet |
| Model | STS | Optra |
| Year Released | 2009 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3564 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 108 HP |
| Torque | 273 Nm | 151 Nm |
| Torque RPM | 5200 RPM | 4000 RPM |
| Engine Bore Size | 94 mm | 79 mm |
| Engine Stroke Size | 85.6 mm | 81.5 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 230 km/hour | 187 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 11.7 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1782 kg | 2385 kg |
| Vehicle Length | 4990 mm | 4510 mm |
| Vehicle Width | 1850 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1450 mm |
| Wheelbase Size | 2960 mm | 2610 mm |
| Fuel Consumption Overall | 12.7 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 58 L | 60 L |
