1999 Cadillac Seville vs. 2009 Cadillac STS
To start off, 2009 Cadillac STS is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Cadillac Seville. In addition, the cost of maintenance, including insurance, on 1999 Cadillac Seville would be higher. At 4,565 cc (8 cylinders), 1999 Cadillac Seville is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (320 HP @ 6400 RPM) has 49 more horse power than 1999 Cadillac Seville. (271 HP @ 5200 RPM) In normal driving conditions, 2009 Cadillac STS should accelerate faster than 1999 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 1999 Cadillac Seville weights approximately 117 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, 1999 Cadillac Seville, 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 (427 Nm @ 4400 RPM) has 20 more torque (in Nm) than 1999 Cadillac Seville. (407 Nm @ 4400 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1999 Cadillac Seville.
Compare all specifications:
| 1999 Cadillac Seville | 2009 Cadillac STS | |
| Make | Cadillac | Cadillac |
| Model | Seville | STS |
| Year Released | 1999 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 4564 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 320 HP |
| Engine RPM | 5200 RPM | 6400 RPM |
| Torque | 407 Nm | 427 Nm |
| Torque RPM | 4400 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1752 kg | 1635 kg |
| Vehicle Length | 5000 mm | 5000 mm |
| Vehicle Width | 1910 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2860 mm | 2960 mm |
| Fuel Tank Capacity | 72 L | 64 L |
