2005 Cadillac STS vs. 1991 Oldsmobile Cutlass
To start off, 2005 Cadillac STS is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Oldsmobile Cutlass. In addition, the cost of maintenance, including insurance, on 1991 Oldsmobile Cutlass would be higher. At 3,556 cc (6 cylinders), 2005 Cadillac STS is equipped with a bigger engine. In terms of performance, 2005 Cadillac STS (255 HP @ 6500 RPM) has 97 more horse power than 1991 Oldsmobile Cutlass. (158 HP @ 6200 RPM). In normal driving conditions, 2005 Cadillac STS should accelerate faster than 1991 Oldsmobile Cutlass. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac STS weights approximately 351 kg more than 1991 Oldsmobile Cutlass. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 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 2005 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 1991 Oldsmobile Cutlass, 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, 2005 Cadillac STS (339 Nm @ 3200 RPM) has 136 more torque (in Nm) than 1991 Oldsmobile Cutlass. (203 Nm @ 5200 RPM). This means 2005 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1991 Oldsmobile Cutlass. 2005 Cadillac STS has automatic transmission and 1991 Oldsmobile Cutlass has manual transmission. 1991 Oldsmobile Cutlass will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Cadillac STS | 1991 Oldsmobile Cutlass | |
| Make | Cadillac | Oldsmobile |
| Model | STS | Cutlass |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3556 cc | 2260 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 158 HP |
| Engine RPM | 6500 RPM | 6200 RPM |
| Torque | 339 Nm | 203 Nm |
| Torque RPM | 3200 RPM | 5200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1796 kg | 1445 kg |
| Vehicle Length | 4990 mm | 4930 mm |
| Vehicle Width | 1850 mm | 1810 mm |
| Vehicle Height | 1470 mm | 1350 mm |
| Wheelbase Size | 2890 mm | 2740 mm |
