2009 Cadillac STS vs. 2009 Chevrolet Optra
To start off, both 2009 Cadillac STS and 2009 Chevrolet Optra were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,599 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (302 HP) has 194 more horse power than 2009 Chevrolet Optra. (108 HP). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2009 Chevrolet Optra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 374 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.
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, 2009 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 (369 Nm @ 5200 RPM) has 219 more torque (in Nm) than 2009 Chevrolet Optra. (150 Nm @ 4000 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2009 Chevrolet Optra. 2009 Cadillac STS has automatic transmission and 2009 Chevrolet Optra has manual transmission. 2009 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 | 2009 Chevrolet Optra | |
| Make | Cadillac | Chevrolet |
| Model | STS | Optra |
| Year Released | 2009 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3599 cc | 1597 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 302 HP | 108 HP |
| Torque | 369 Nm | 150 Nm |
| Torque RPM | 5200 RPM | 4000 RPM |
| Engine Compression Ratio | 11.3:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1635 kg | 1261 kg |
| Vehicle Length | 5000 mm | 4510 mm |
| Vehicle Width | 1850 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1450 mm |
| Wheelbase Size | 2960 mm | 2610 mm |
| Fuel Consumption Overall | 11.8 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 64 L | 60 L |
