2005 Cadillac STS vs. 1988 Opel Vectra
To start off, 2005 Cadillac STS is newer by 17 year(s). Which means there will be less support and parts availability for 1988 Opel Vectra. In addition, the cost of maintenance, including insurance, on 1988 Opel Vectra 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 199 more horse power than 1988 Opel Vectra. (56 HP @ 4600 RPM). In normal driving conditions, 2005 Cadillac STS should accelerate faster than 1988 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac STS weights approximately 676 kg more than 1988 Opel Vectra. 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, 1988 Opel Vectra, 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 234 more torque (in Nm) than 1988 Opel Vectra. (105 Nm @ 2400 RPM). This means 2005 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1988 Opel Vectra. 2005 Cadillac STS has automatic transmission and 1988 Opel Vectra has manual transmission. 1988 Opel Vectra 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 | 1988 Opel Vectra | |
| Make | Cadillac | Opel |
| Model | STS | Vectra |
| Year Released | 2005 | 1988 |
| Engine Position | Front | Front |
| Engine Size | 3556 cc | 1699 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 255 HP | 56 HP |
| Engine RPM | 6500 RPM | 4600 RPM |
| Torque | 339 Nm | 105 Nm |
| Torque RPM | 3200 RPM | 2400 RPM |
| Engine Bore Size | 94 mm | 82.5 mm |
| Engine Stroke Size | 86 mm | 79.5 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1796 kg | 1120 kg |
| Vehicle Length | 4990 mm | 4360 mm |
| Vehicle Width | 1850 mm | 1710 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2890 mm | 2520 mm |
| Fuel Consumption Overall | 12.4 L/100km | 4.8 L/100km |
| Fuel Tank Capacity | 64 L | 75 L |
