2006 Buick Rainier vs. 1991 Buick Riviera
To start off, 2006 Buick Rainier is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1991 Buick Riviera would be higher. At 4,194 cc, 2006 Buick Rainier is equipped with a bigger engine. In terms of performance, 2006 Buick Rainier (271 HP @ 6000 RPM) has 101 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM). In normal driving conditions, 2006 Buick Rainier should accelerate faster than 1991 Buick Riviera.
Because 2006 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 1991 Buick Riviera. In wet, icy, snow, or gravel driving conditions, 2006 Buick Rainier 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, 2006 Buick Rainier (376 Nm @ 3600 RPM) has 91 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2006 Buick Rainier will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera.
Compare all specifications:
| 2006 Buick Rainier | 1991 Buick Riviera | |
| Make | Buick | Buick |
| Model | Rainier | Riviera |
| Year Released | 2006 | 1991 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4194 cc | 3800 cc |
| Horse Power | 271 HP | 170 HP |
| Engine RPM | 6000 RPM | 4800 RPM |
| Torque | 376 Nm | 285 Nm |
| Torque RPM | 3600 RPM | 3200 RPM |
| Engine Bore Size | 93 mm | 96.5 mm |
| Engine Stroke Size | 102 mm | 86.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4920 mm | 5040 mm |
| Vehicle Width | 1920 mm | 1830 mm |
| Vehicle Height | 1900 mm | 1350 mm |
| Wheelbase Size | 2880 mm | 2760 mm |
