1965 Buick Riviera vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 41 year(s). Which means there will be less support and parts availability for 1965 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1965 Buick Riviera would be higher. At 6,966 cc (8 cylinders), 1965 Buick Riviera is equipped with a bigger engine. In terms of performance, 1965 Buick Riviera (288 HP @ 4400 RPM) has 113 more horse power than 2006 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 1965 Buick Riviera should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1965 Buick Riviera weights approximately 226 kg more than 2006 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1965 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 1965 Buick Riviera. However, in wet, icy, snow, or gravel driving conditions, 2006 Opel Signum, 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, 1965 Buick Riviera (603 Nm) has 233 more torque (in Nm) than 2006 Opel Signum. (370 Nm). This means 1965 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum.
Compare all specifications:
| 1965 Buick Riviera | 2006 Opel Signum | |
| Make | Buick | Opel |
| Model | Riviera | Signum |
| Year Released | 1965 | 2006 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 6966 cc | 2958 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 288 HP | 175 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Torque | 603 Nm | 370 Nm |
| Engine Bore Size | 104.8 mm | 87.5 mm |
| Engine Stroke Size | 101 mm | 82 mm |
| Engine Compression Ratio | 10.3:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 193 km/hour | 221 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1896 kg | 1670 kg |
| Vehicle Length | 5370 mm | 4640 mm |
| Vehicle Width | 2010 mm | 1800 mm |
| Vehicle Height | 1360 mm | 1470 mm |
| Wheelbase Size | 3030 mm | 2840 mm |
| Fuel Tank Capacity | 75 L | 60 L |
