1971 Buick Riviera vs. 2006 GMC Envoy
To start off, 2006 GMC Envoy 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 20 more horse power than 2006 GMC Envoy. (291 HP @ 6000 RPM). In normal driving conditions, 1971 Buick Riviera should accelerate faster than 2006 GMC Envoy. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Envoy weights approximately 395 kg more than 1971 Buick Riviera.
Because 2006 GMC Envoy 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, 2006 GMC Envoy 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 241 more torque (in Nm) than 2006 GMC Envoy. (376 Nm @ 4800 RPM). This means 1971 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2006 GMC Envoy.
Compare all specifications:
| 1971 Buick Riviera | 2006 GMC Envoy | |
| Make | Buick | GMC |
| Model | Riviera | Envoy |
| Year Released | 1971 | 2006 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 7468 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 311 HP | 291 HP |
| Engine RPM | 4200 RPM | 6000 RPM |
| Torque | 617 Nm | 376 Nm |
| Torque RPM | 2600 RPM | 4800 RPM |
| Drive Type | Rear | 4WD |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2040 kg | 2435 kg |
| Vehicle Length | 5560 mm | 4870 mm |
| Vehicle Width | 2040 mm | 1900 mm |
| Vehicle Height | 1380 mm | 1830 mm |
| Wheelbase Size | 3110 mm | 2880 mm |
