1971 Buick Riviera vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 34 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, 2005 Porsche 911 (320 HP @ 6800 RPM) has 9 more horse power than 1971 Buick Riviera. (311 HP @ 4200 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1971 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 1971 Buick Riviera weights approximately 590 kg more than 2005 Porsche 911.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Buick Riviera. In wet, icy, snow, or gravel driving conditions, 2005 Porsche 911 will offer significantly more control. 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 247 more torque (in Nm) than 2005 Porsche 911. (370 Nm @ 4250 RPM). This means 1971 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911. 1971 Buick Riviera has automatic transmission and 2005 Porsche 911 has manual transmission. 2005 Porsche 911 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 | 2005 Porsche 911 | |
| Make | Buick | Porsche |
| Model | Riviera | 911 |
| Year Released | 1971 | 2005 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 7468 cc | 3594 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 311 HP | 320 HP |
| Engine RPM | 4200 RPM | 6800 RPM |
| Torque | 617 Nm | 370 Nm |
| Torque RPM | 2600 RPM | 4250 RPM |
| Engine Compression Ratio | 8.3:1 | 11.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2040 kg | 1450 kg |
| Vehicle Length | 5560 mm | 4430 mm |
| Vehicle Width | 2040 mm | 1860 mm |
| Vehicle Height | 1380 mm | 1320 mm |
| Wheelbase Size | 3110 mm | 2360 mm |
