2008 Cadillac STS vs. 1991 Saturn Sports Coupe
To start off, 2008 Cadillac STS is newer by 17 year(s). Which means there will be less support and parts availability for 1991 Saturn Sports Coupe. In addition, the cost of maintenance, including insurance, on 1991 Saturn Sports Coupe 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 198 more horse power than 1991 Saturn Sports Coupe. (123 HP @ 6800 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 1991 Saturn Sports Coupe. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 732 kg more than 1991 Saturn Sports Coupe. 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, 1991 Saturn Sports Coupe, 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 263 more torque (in Nm) than 1991 Saturn Sports Coupe. (164 Nm @ 4800 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1991 Saturn Sports Coupe. 2008 Cadillac STS has automatic transmission and 1991 Saturn Sports Coupe has manual transmission. 1991 Saturn Sports Coupe 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 | 1991 Saturn Sports Coupe | |
| Make | Cadillac | Saturn |
| Model | STS | Sports Coupe |
| Year Released | 2008 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1901 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 321 HP | 123 HP |
| Engine RPM | 6400 RPM | 6800 RPM |
| Torque | 427 Nm | 164 Nm |
| Torque RPM | 4400 RPM | 4800 RPM |
| Engine Bore Size | 93 mm | 82.1 mm |
| Engine Stroke Size | 84 mm | 90 mm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1812 kg | 1080 kg |
| Vehicle Length | 4990 mm | 4470 mm |
| Vehicle Width | 1850 mm | 1720 mm |
| Vehicle Height | 1470 mm | 1290 mm |
| Wheelbase Size | 2960 mm | 2530 mm |
