1986 Buick Regal vs. 2004 Opel Vectra
To start off, 2004 Opel Vectra is newer by 18 year(s). Which means there will be less support and parts availability for 1986 Buick Regal. In addition, the cost of maintenance, including insurance, on 1986 Buick Regal would be higher. At 3,791 cc (6 cylinders), 1986 Buick Regal is equipped with a bigger engine. In terms of performance, 1986 Buick Regal (235 HP @ 4400 RPM) has 60 more horse power than 2004 Opel Vectra. (175 HP @ 5500 RPM). In normal driving conditions, 1986 Buick Regal should accelerate faster than 2004 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1986 Buick Regal weights approximately 20 kg more than 2004 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 Buick Regal 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 1986 Buick Regal. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 1986 Buick Regal (448 Nm @ 2800 RPM) has 183 more torque (in Nm) than 2004 Opel Vectra. (265 Nm @ 2500 RPM). This means 1986 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Vectra. 1986 Buick Regal has automatic transmission and 2004 Opel Vectra has manual transmission. 2004 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1986 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1986 Buick Regal | 2004 Opel Vectra | |
| Make | Buick | Opel |
| Model | Regal | Vectra |
| Year Released | 1986 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 235 HP | 175 HP |
| Engine RPM | 4400 RPM | 5500 RPM |
| Torque | 448 Nm | 265 Nm |
| Torque RPM | 2800 RPM | 2500 RPM |
| Engine Bore Size | 96.5 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 86 mm |
| Engine Compression Ratio | 8.0:1 | 9.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1490 kg | 1470 kg |
| Vehicle Length | 5100 mm | 4600 mm |
| Vehicle Width | 1830 mm | 1800 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2750 mm | 2740 mm |
