2008 Cadillac STS vs. 2006 Pontiac Vibe
To start off, 2008 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Pontiac Vibe. In addition, the cost of maintenance, including insurance, on 2006 Pontiac Vibe would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (321 HP @ 6400 RPM) has 195 more horse power than 2006 Pontiac Vibe. (126 HP @ 6000 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2006 Pontiac Vibe. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 24 kg more than 2006 Pontiac Vibe. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 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 2008 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2006 Pontiac Vibe, 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, 2008 Cadillac STS (427 Nm @ 4400 RPM) has 262 more torque (in Nm) than 2006 Pontiac Vibe. (165 Nm @ 4200 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2006 Pontiac Vibe. 2008 Cadillac STS has automatic transmission and 2006 Pontiac Vibe has manual transmission. 2006 Pontiac Vibe will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Cadillac STS | 2006 Pontiac Vibe | |
| Make | Cadillac | Pontiac |
| Model | STS | Vibe |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1786 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 126 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 427 Nm | 165 Nm |
| Torque RPM | 4400 RPM | 4200 RPM |
| Engine Bore Size | 93 mm | 79.1 mm |
| Engine Stroke Size | 84 mm | 91 mm |
| Engine Compression Ratio | 10.5:1 | 3.1:1 |
| Fuel Type | Gasoline - Premium | 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 | 1812 kg | 1788 kg |
| Vehicle Length | 4990 mm | 4370 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1590 mm |
| Wheelbase Size | 2960 mm | 2610 mm |
| Fuel Consumption Highway | 9.1 L/100km | 6.5 L/100km |
| Fuel Consumption City | 13.8 L/100km | 7.8 L/100km |
| Fuel Consumption Overall | 14.5 L/100km | 7.1 L/100km |
| Fuel Tank Capacity | 66 L | 49 L |
