1999 Buick Riviera vs. 2004 Pontiac G6
To start off, 2004 Pontiac G6 is newer by 5 year(s). Which means there will be less support and parts availability for 1999 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1999 Buick Riviera would be higher. At 3,791 cc (6 cylinders), 1999 Buick Riviera is equipped with a bigger engine. In terms of performance, 1999 Buick Riviera (205 HP @ 5200 RPM) has 8 more horse power than 2004 Pontiac G6. (197 HP @ 5600 RPM). In normal driving conditions, 1999 Buick Riviera should accelerate faster than 2004 Pontiac G6. With that said, vehicle weight also plays an important factor in acceleration. 1999 Buick Riviera weights approximately 146 kg more than 2004 Pontiac G6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 1999 Buick Riviera (312 Nm @ 4000 RPM) has 14 more torque (in Nm) than 2004 Pontiac G6. (298 Nm @ 3200 RPM). This means 1999 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2004 Pontiac G6.
Compare all specifications:
| 1999 Buick Riviera | 2004 Pontiac G6 | |
| Make | Buick | Pontiac |
| Model | Riviera | G6 |
| Year Released | 1999 | 2004 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 205 HP | 197 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 312 Nm | 298 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Engine Bore Size | 96.5 mm | 94 mm |
| Engine Stroke Size | 86.4 mm | 84 mm |
| Engine Compression Ratio | 9.4:1 | 9.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1700 kg | 1554 kg |
| Vehicle Length | 5270 mm | 4810 mm |
| Vehicle Width | 1910 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1460 mm |
