2004 Cadillac CTS vs. 1991 Oldsmobile Achieva
To start off, 2004 Cadillac CTS is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Oldsmobile Achieva. In addition, the cost of maintenance, including insurance, on 1991 Oldsmobile Achieva would be higher. At 5,665 cc (8 cylinders), 2004 Cadillac CTS is equipped with a bigger engine. In terms of performance, 2004 Cadillac CTS (396 HP @ 6000 RPM) has 246 more horse power than 1991 Oldsmobile Achieva. (150 HP @ 4800 RPM). In normal driving conditions, 2004 Cadillac CTS should accelerate faster than 1991 Oldsmobile Achieva. With that said, vehicle weight also plays an important factor in acceleration. 2004 Cadillac CTS weights approximately 435 kg more than 1991 Oldsmobile Achieva. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Cadillac CTS 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 2004 Cadillac CTS. However, in wet, icy, snow, or gravel driving conditions, 1991 Oldsmobile Achieva, 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, 2004 Cadillac CTS (536 Nm @ 4800 RPM) has 287 more torque (in Nm) than 1991 Oldsmobile Achieva. (249 Nm @ 3200 RPM). This means 2004 Cadillac CTS will have an easier job in driving up hills or pulling heavy equipment than 1991 Oldsmobile Achieva.
Compare all specifications:
| 2004 Cadillac CTS | 1991 Oldsmobile Achieva | |
| Make | Cadillac | Oldsmobile |
| Model | CTS | Achieva |
| Year Released | 2004 | 1991 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5665 cc | 3133 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 396 HP | 150 HP |
| Engine RPM | 6000 RPM | 4800 RPM |
| Torque | 536 Nm | 249 Nm |
| Torque RPM | 4800 RPM | 3200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1745 kg | 1310 kg |
| Vehicle Length | 4870 mm | 4780 mm |
| Vehicle Width | 1800 mm | 1750 mm |
