2000 Buick Riviera vs. 2006 Kia Optima
To start off, 2006 Kia Optima is newer by 6 year(s). Which means there will be less support and parts availability for 2000 Buick Riviera. In addition, the cost of maintenance, including insurance, on 2000 Buick Riviera would be higher. At 3,791 cc (6 cylinders), 2000 Buick Riviera is equipped with a bigger engine. In terms of performance, 2000 Buick Riviera (202 HP @ 5200 RPM) has 32 more horse power than 2006 Kia Optima. (170 HP @ 6000 RPM). In normal driving conditions, 2000 Buick Riviera should accelerate faster than 2006 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2000 Buick Riviera weights approximately 213 kg more than 2006 Kia Optima. 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, 2000 Buick Riviera (312 Nm @ 4000 RPM) has 67 more torque (in Nm) than 2006 Kia Optima. (245 Nm @ 4000 RPM). This means 2000 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2006 Kia Optima.
Compare all specifications:
| 2000 Buick Riviera | 2006 Kia Optima | |
| Make | Buick | Kia |
| Model | Riviera | Optima |
| Year Released | 2000 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2671 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 202 HP | 170 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 312 Nm | 245 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Compression Ratio | 9.4:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1700 kg | 1487 kg |
| Vehicle Length | 5270 mm | 4730 mm |
| Vehicle Width | 1910 mm | 1820 mm |
| Vehicle Height | 1400 mm | 1420 mm |
