1991 Buick Riviera vs. 2009 Jeep Grand Cherokee
To start off, 2009 Jeep Grand Cherokee is newer by 18 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 4,701 cc (8 cylinders), 2009 Jeep Grand Cherokee is equipped with a bigger engine. In terms of performance, 2009 Jeep Grand Cherokee (305 HP @ 4500 RPM) has 135 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2009 Jeep Grand Cherokee should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2009 Jeep Grand Cherokee weights approximately 458 kg more than 1991 Buick Riviera. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Jeep Grand Cherokee is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Jeep Grand Cherokee. However, in wet, icy, snow, or gravel driving conditions, 1991 Buick Riviera, being front wheel drive (FWD), will offer much better control with better grip. 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, 2009 Jeep Grand Cherokee (453 Nm @ 3500 RPM) has 168 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2009 Jeep Grand Cherokee will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera.
Compare all specifications:
| 1991 Buick Riviera | 2009 Jeep Grand Cherokee | |
| Make | Buick | Jeep |
| Model | Riviera | Grand Cherokee |
| Year Released | 1991 | 2009 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 4701 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 170 HP | 305 HP |
| Engine RPM | 4800 RPM | 4500 RPM |
| Torque | 285 Nm | 453 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Engine Bore Size | 96.5 mm | 93 mm |
| Engine Stroke Size | 86.4 mm | 86.7 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1520 kg | 1978 kg |
| Vehicle Length | 5040 mm | 4780 mm |
| Vehicle Width | 1830 mm | 1850 mm |
| Vehicle Height | 1350 mm | 1760 mm |
| Wheelbase Size | 2760 mm | 2790 mm |
