1971 Buick Riviera vs. 2006 Lexus IS
To start off, 2006 Lexus IS 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 106 more horse power than 2006 Lexus IS. (205 HP @ 6400 RPM). In normal driving conditions, 1971 Buick Riviera should accelerate faster than 2006 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 1971 Buick Riviera weights approximately 493 kg more than 2006 Lexus IS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Lexus IS 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 Lexus IS 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 366 more torque (in Nm) than 2006 Lexus IS. (251 Nm @ 4800 RPM). This means 1971 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2006 Lexus IS.
Compare all specifications:
| 1971 Buick Riviera | 2006 Lexus IS | |
| Make | Buick | Lexus |
| Model | Riviera | IS |
| Year Released | 1971 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 7468 cc | 2491 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 311 HP | 205 HP |
| Engine RPM | 4200 RPM | 6400 RPM |
| Torque | 617 Nm | 251 Nm |
| Torque RPM | 2600 RPM | 4800 RPM |
| Drive Type | Rear | 4WD |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2040 kg | 1547 kg |
| Vehicle Length | 5560 mm | 4580 mm |
| Vehicle Width | 2040 mm | 1810 mm |
| Vehicle Height | 1380 mm | 1450 mm |
| Wheelbase Size | 3110 mm | 2740 mm |
