2000 Buick Riviera vs. 2005 Mazda 6
To start off, 2005 Mazda 6 is newer by 5 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, 2005 Mazda 6 (220 HP @ 4000 RPM) has 18 more horse power than 2000 Buick Riviera. (202 HP @ 5200 RPM) In normal driving conditions, 2005 Mazda 6 should accelerate faster than 2000 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2000 Buick Riviera weights approximately 130 kg more than 2005 Mazda 6.
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) has 52 more torque (in Nm) than 2005 Mazda 6. (260 Nm). This means 2000 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda 6.
Compare all specifications:
| 2000 Buick Riviera | 2005 Mazda 6 | |
| Make | Buick | Mazda |
| Model | Riviera | 6 |
| Year Released | 2000 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2966 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 202 HP | 220 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 312 Nm | 260 Nm |
| Engine Compression Ratio | 9.4:1 | 10.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1700 kg | 1570 kg |
| Vehicle Length | 5270 mm | 4780 mm |
| Vehicle Width | 1910 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1460 mm |
