1971 Buick Riviera vs. 1999 Opel Signum
To start off, 1999 Opel Signum is newer by 28 year(s). Which means there will be less support and parts availability for 1971 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1971 Buick Riviera would be higher. At 7,468 cc (8 cylinders), 1971 Buick Riviera is equipped with a bigger engine. In terms of performance, 1971 Buick Riviera (311 HP @ 4200 RPM) has 163 more horse power than 1999 Opel Signum. (148 HP @ 4000 RPM). In normal driving conditions, 1971 Buick Riviera should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1971 Buick Riviera weights approximately 954 kg more than 1999 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1971 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 1971 Buick Riviera. However, in wet, icy, snow, or gravel driving conditions, 1999 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, 1971 Buick Riviera (617 Nm @ 2600 RPM) has 347 more torque (in Nm) than 1999 Opel Signum. (270 Nm @ 2000 RPM). This means 1971 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Signum. 1971 Buick Riviera has automatic transmission and 1999 Opel Signum has manual transmission. 1999 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1971 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
1971 Buick Riviera | 1999 Opel Signum | |
Make | Buick | Opel |
Model | Riviera | Signum |
Year Released | 1971 | 1999 |
Body Type | Coupe | Hatchback |
Engine Position | Front | Front |
Engine Size | 7468 cc | 1998 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Horse Power | 311 HP | 148 HP |
Engine RPM | 4200 RPM | 4000 RPM |
Torque | 617 Nm | 270 Nm |
Torque RPM | 2600 RPM | 2000 RPM |
Engine Compression Ratio | 8.3:1 | 18.0:1 |
Drive Type | Rear | Front |
Transmission Type | Automatic | Manual |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 2040 kg | 1086 kg |
Vehicle Length | 5560 mm | 4640 mm |
Vehicle Width | 2040 mm | 1800 mm |
Vehicle Height | 1380 mm | 1470 mm |
Wheelbase Size | 3110 mm | 2580 mm |