1991 Buick Riviera vs. 2004 Dodge Ram
To start off, 2004 Dodge Ram is newer by 13 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 5,882 cc (6 cylinders), 2004 Dodge Ram is equipped with a bigger engine. In terms of performance, 2004 Dodge Ram (305 HP @ 5600 RPM) has 135 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2004 Dodge Ram should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2004 Dodge Ram weights approximately 1629 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 2004 Dodge Ram 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, 2004 Dodge Ram 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, 2004 Dodge Ram (753 Nm) has 468 more torque (in Nm) than 1991 Buick Riviera. (285 Nm). This means 2004 Dodge Ram will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera.
Compare all specifications:
| 1991 Buick Riviera | 2004 Dodge Ram | |
| Make | Buick | Dodge |
| Model | Riviera | Ram |
| Year Released | 1991 | 2004 |
| Body Type | Coupe | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 5882 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 170 HP | 305 HP |
| Engine RPM | 4800 RPM | 5600 RPM |
| Torque | 285 Nm | 753 Nm |
| Engine Bore Size | 96.5 mm | 102 mm |
| Engine Stroke Size | 86.4 mm | 120 mm |
| Engine Compression Ratio | 8.5:1 | 17.2:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1520 kg | 3149 kg |
| Vehicle Length | 5040 mm | 5790 mm |
| Vehicle Width | 1830 mm | 2040 mm |
| Vehicle Height | 1350 mm | 2020 mm |
| Wheelbase Size | 2760 mm | 3580 mm |
