1973 Buick Riviera vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 32 year(s). Which means there will be less support and parts availability for 1973 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1973 Buick Riviera would be higher. At 7,468 cc (8 cylinders), 1973 Buick Riviera is equipped with a bigger engine. In terms of performance, 1973 Buick Riviera (250 HP @ 4000 RPM) has 127 more horse power than 2005 Opel Vectra. (123 HP @ 5600 RPM). In normal driving conditions, 1973 Buick Riviera should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1973 Buick Riviera weights approximately 680 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.
Because 1973 Buick Riviera 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 1973 Buick Riviera. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 1973 Buick Riviera (518 Nm @ 2800 RPM) has 353 more torque (in Nm) than 2005 Opel Vectra. (165 Nm @ 3800 RPM). This means 1973 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 1973 Buick Riviera | 2005 Opel Vectra | |
| Make | Buick | Opel |
| Model | Riviera | Vectra |
| Year Released | 1973 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 7468 cc | 1794 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 250 HP | 123 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 518 Nm | 165 Nm |
| Torque RPM | 2800 RPM | 3800 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2040 kg | 1360 kg |
| Vehicle Length | 5560 mm | 4500 mm |
| Vehicle Width | 2040 mm | 1710 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 3110 mm | 2640 mm |
| Fuel Tank Capacity | 95 L | 60 L |
