1971 Buick Riviera vs. 2006 Porsche Cayman
To start off, 2006 Porsche Cayman is newer by 35 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 16 more horse power than 2006 Porsche Cayman. (295 HP @ 6250 RPM). In normal driving conditions, 1971 Buick Riviera should accelerate faster than 2006 Porsche Cayman. With that said, vehicle weight also plays an important factor in acceleration. 1971 Buick Riviera weights approximately 625 kg more than 2006 Porsche Cayman. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 1971 Buick Riviera (617 Nm @ 2600 RPM) has 277 more torque (in Nm) than 2006 Porsche Cayman. (340 Nm @ 4400 RPM). This means 1971 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2006 Porsche Cayman.
Compare all specifications:
| 1971 Buick Riviera | 2006 Porsche Cayman | |
| Make | Buick | Porsche |
| Model | Riviera | Cayman |
| Year Released | 1971 | 2006 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 7468 cc | 3392 cc |
| Engine Type | V | boxer |
| Horse Power | 311 HP | 295 HP |
| Engine RPM | 4200 RPM | 6250 RPM |
| Torque | 617 Nm | 340 Nm |
| Torque RPM | 2600 RPM | 4400 RPM |
| Engine Compression Ratio | 8.3:1 | 11.1:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2040 kg | 1415 kg |
| Vehicle Length | 5560 mm | 4380 mm |
| Vehicle Width | 2040 mm | 1810 mm |
| Vehicle Height | 1380 mm | 1310 mm |
| Wheelbase Size | 3110 mm | 2420 mm |
