1991 Buick Riviera vs. 2008 Porsche Cayenne
To start off, 2008 Porsche Cayenne is newer by 17 year(s). Which means there will be less support and parts availability for 1991 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1991 Buick Riviera would be higher. At 3,800 cc (6 cylinders), 1991 Buick Riviera is equipped with a bigger engine. In terms of performance, 2008 Porsche Cayenne (247 HP @ 6000 RPM) has 77 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2008 Porsche Cayenne should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2008 Porsche Cayenne weights approximately 835 kg more than 1991 Buick Riviera. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 1991 Buick Riviera. In wet, icy, snow, or gravel driving conditions, 2008 Porsche Cayenne 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 Cayenne (310 Nm @ 5500 RPM) has 25 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2008 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera. 1991 Buick Riviera has automatic transmission and 2008 Porsche Cayenne has manual transmission. 2008 Porsche Cayenne will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Buick Riviera | 2008 Porsche Cayenne | |
| Make | Buick | Porsche |
| Model | Riviera | Cayenne |
| Year Released | 1991 | 2008 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 3189 cc |
| Horse Power | 170 HP | 247 HP |
| Engine RPM | 4800 RPM | 6000 RPM |
| Torque | 285 Nm | 310 Nm |
| Torque RPM | 3200 RPM | 5500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1520 kg | 2355 kg |
| Vehicle Length | 5040 mm | 4790 mm |
| Vehicle Width | 1830 mm | 1930 mm |
| Vehicle Height | 1350 mm | 1710 mm |
| Wheelbase Size | 2760 mm | 2860 mm |
