1999 Buick Riviera vs. 2004 Xedos 9
To start off, 2004 Xedos 9 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 44 more horse power than 2004 Xedos 9. (161 HP @ 6000 RPM). In normal driving conditions, 1999 Buick Riviera should accelerate faster than 2004 Xedos 9. With that said, vehicle weight also plays an important factor in acceleration. 1999 Buick Riviera weights approximately 115 kg more than 2004 Xedos 9. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1999 Buick Riviera (312 Nm @ 4000 RPM) has 100 more torque (in Nm) than 2004 Xedos 9. (212 Nm @ 4900 RPM). This means 1999 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2004 Xedos 9.
Compare all specifications:
| 1999 Buick Riviera | 2004 Xedos 9 | |
| Make | Buick | Xedos |
| Model | Riviera | 9 |
| Year Released | 1999 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 205 HP | 161 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 312 Nm | 212 Nm |
| Torque RPM | 4000 RPM | 4900 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1700 kg | 1585 kg |
| Vehicle Length | 5270 mm | 4880 mm |
| Vehicle Width | 1910 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1400 mm |
