1995 Buick Riviera vs. 1999 Porsche 911
To start off, 1999 Porsche 911 is newer by 4 year(s). Which means there will be less support and parts availability for 1995 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1995 Buick Riviera would be higher. At 3,791 cc (6 cylinders), 1995 Buick Riviera is equipped with a bigger engine. In terms of performance, 1999 Porsche 911 (414 HP @ 6000 RPM) has 174 more horse power than 1995 Buick Riviera. (240 HP @ 5200 RPM) In normal driving conditions, 1999 Porsche 911 should accelerate faster than 1995 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 1995 Buick Riviera weights approximately 160 kg more than 1999 Porsche 911.
Because 1999 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1995 Buick Riviera. In wet, icy, snow, or gravel driving conditions, 1999 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, 1999 Porsche 911 (560 Nm @ 2700 RPM) has 173 more torque (in Nm) than 1995 Buick Riviera. (387 Nm @ 3600 RPM). This means 1999 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1995 Buick Riviera. 1995 Buick Riviera has automatic transmission and 1999 Porsche 911 has manual transmission. 1999 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1995 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1995 Buick Riviera | 1999 Porsche 911 | |
| Make | Buick | Porsche |
| Model | Riviera | 911 |
| Year Released | 1995 | 1999 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3791 cc | 3595 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 240 HP | 414 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 387 Nm | 560 Nm |
| Torque RPM | 3600 RPM | 2700 RPM |
| Engine Bore Size | 96.5 mm | 100 mm |
| Engine Stroke Size | 86.4 mm | 76.4 mm |
| Engine Compression Ratio | 8.5:1 | 9.4:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1700 kg | 1540 kg |
| Vehicle Length | 5270 mm | 4440 mm |
| Vehicle Width | 1910 mm | 1840 mm |
| Vehicle Height | 1400 mm | 1300 mm |
