1997 Buick Riviera vs. 2001 Opel Signum
To start off, 2001 Opel Signum is newer by 4 year(s). Which means there will be less support and parts availability for 1997 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1997 Buick Riviera would be higher. At 3,791 cc (6 cylinders), 1997 Buick Riviera is equipped with a bigger engine. In terms of performance, 1997 Buick Riviera (202 HP @ 5200 RPM) has 58 more horse power than 2001 Opel Signum. (144 HP @ 4000 RPM). In normal driving conditions, 1997 Buick Riviera should accelerate faster than 2001 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1997 Buick Riviera weights approximately 302 kg more than 2001 Opel Signum. 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, 1997 Buick Riviera (312 Nm @ 4000 RPM) has 92 more torque (in Nm) than 2001 Opel Signum. (220 Nm @ 2000 RPM). This means 1997 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Signum. 1997 Buick Riviera has automatic transmission and 2001 Opel Signum has manual transmission. 2001 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1997 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1997 Buick Riviera | 2001 Opel Signum | |
| Make | Buick | Opel |
| Model | Riviera | Signum |
| Year Released | 1997 | 2001 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 202 HP | 144 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 312 Nm | 220 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Compression Ratio | 9.4:1 | 18.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1700 kg | 1398 kg |
| Vehicle Length | 5270 mm | 4640 mm |
| Vehicle Width | 1910 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
