1999 Buick Riviera vs. 1997 Kia Sephia
To start off, 1999 Buick Riviera is newer by 2 year(s). Which means there will be less support and parts availability for 1997 Kia Sephia. In addition, the cost of maintenance, including insurance, on 1997 Kia Sephia 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 126 more horse power than 1997 Kia Sephia. (79 HP @ 5500 RPM). In normal driving conditions, 1999 Buick Riviera should accelerate faster than 1997 Kia Sephia. With that said, vehicle weight also plays an important factor in acceleration. 1999 Buick Riviera weights approximately 620 kg more than 1997 Kia Sephia. 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 192 more torque (in Nm) than 1997 Kia Sephia. (120 Nm @ 2500 RPM). This means 1999 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1997 Kia Sephia. 1999 Buick Riviera has automatic transmission and 1997 Kia Sephia has manual transmission. 1997 Kia Sephia will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Buick Riviera | 1997 Kia Sephia | |
| Make | Buick | Kia |
| Model | Riviera | Sephia |
| Year Released | 1999 | 1997 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1498 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 205 HP | 79 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 312 Nm | 120 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1700 kg | 1080 kg |
| Vehicle Length | 5270 mm | 4430 mm |
| Vehicle Width | 1910 mm | 1720 mm |
| Vehicle Height | 1400 mm | 1400 mm |
