1999 Buick Riviera vs. 2008 Porsche 911
To start off, 2008 Porsche 911 is newer by 9 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, 2008 Porsche 911 (473 HP @ 6000 RPM) has 268 more horse power than 1999 Buick Riviera. (205 HP @ 5200 RPM) In normal driving conditions, 2008 Porsche 911 should accelerate faster than 1999 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 1999 Buick Riviera weights approximately 45 kg more than 2008 Porsche 911.
Because 2008 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Buick Riviera. In wet, icy, snow, or gravel driving conditions, 2008 Porsche 911 will offer significantly more control. 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, 2008 Porsche 911 (620 Nm @ 1950 RPM) has 308 more torque (in Nm) than 1999 Buick Riviera. (312 Nm @ 4000 RPM). This means 2008 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1999 Buick Riviera. 1999 Buick Riviera has automatic transmission and 2008 Porsche 911 has manual transmission. 2008 Porsche 911 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 | 2008 Porsche 911 | |
| Make | Buick | Porsche |
| Model | Riviera | 911 |
| Year Released | 1999 | 2008 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 3791 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 205 HP | 473 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 312 Nm | 620 Nm |
| Torque RPM | 4000 RPM | 1950 RPM |
| Engine Bore Size | 96.5 mm | 100 mm |
| Engine Stroke Size | 86.4 mm | 76.4 mm |
| Engine Compression Ratio | 9.4:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1700 kg | 1655 kg |
| Vehicle Length | 5270 mm | 4440 mm |
| Vehicle Width | 1910 mm | 1840 mm |
| Vehicle Height | 1400 mm | 1300 mm |
