1995 Buick Riviera vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 10 year(s). Which means there will be less support and parts availability for 1995 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1995 Buick Riviera would be higher. At 3,791 cc (6 cylinders), 1995 Buick Riviera is equipped with a bigger engine. In terms of performance, 1995 Buick Riviera (240 HP @ 5200 RPM) has 66 more horse power than 2005 Opel Vectra. (174 HP @ 5500 RPM). In normal driving conditions, 1995 Buick Riviera should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1995 Buick Riviera weights approximately 115 kg more than 2005 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 1995 Buick Riviera (387 Nm @ 3600 RPM) has 122 more torque (in Nm) than 2005 Opel Vectra. (265 Nm @ 2500 RPM). This means 1995 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra. 1995 Buick Riviera has automatic transmission and 2005 Opel Vectra has manual transmission. 2005 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1995 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1995 Buick Riviera | 2005 Opel Vectra | |
| Make | Buick | Opel |
| Model | Riviera | Vectra |
| Year Released | 1995 | 2005 |
| 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 | 240 HP | 174 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 387 Nm | 265 Nm |
| Torque RPM | 3600 RPM | 2500 RPM |
| Engine Bore Size | 96.5 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 86 mm |
| Engine Compression Ratio | 8.5:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1700 kg | 1585 kg |
| Vehicle Length | 5270 mm | 4830 mm |
| Vehicle Width | 1910 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1510 mm |
