2006 Cadillac STS vs. 1999 GMC Sonoma
To start off, 2006 Cadillac STS is newer by 7 year(s). Which means there will be less support and parts availability for 1999 GMC Sonoma. In addition, the cost of maintenance, including insurance, on 1999 GMC Sonoma would be higher. At 4,293 cc (6 cylinders), 1999 GMC Sonoma is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (253 HP @ 6500 RPM) has 76 more horse power than 1999 GMC Sonoma. (177 HP @ 4400 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 1999 GMC Sonoma. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 282 kg more than 1999 GMC Sonoma. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 GMC Sonoma is four wheel drive (4WD), it will have significant more traction and grip than 2006 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 1999 GMC Sonoma 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, 2006 Cadillac STS (342 Nm @ 3200 RPM) has 10 more torque (in Nm) than 1999 GMC Sonoma. (332 Nm @ 2800 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1999 GMC Sonoma. 2006 Cadillac STS has automatic transmission and 1999 GMC Sonoma has manual transmission. 1999 GMC Sonoma will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Cadillac STS | 1999 GMC Sonoma | |
| Make | Cadillac | GMC |
| Model | STS | Sonoma |
| Year Released | 2006 | 1999 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 4293 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 253 HP | 177 HP |
| Engine RPM | 6500 RPM | 4400 RPM |
| Torque | 342 Nm | 332 Nm |
| Torque RPM | 3200 RPM | 2800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1782 kg | 1500 kg |
| Vehicle Length | 4990 mm | 5210 mm |
| Vehicle Width | 1850 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1600 mm |
| Wheelbase Size | 2960 mm | 3130 mm |
