1991 Buick Riviera vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 20 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, 2011 Porsche 911 (345 HP @ 6500 RPM) has 175 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2011 Porsche 911 should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Riviera weights approximately 40 kg more than 2011 Porsche 911.
Because 2011 Porsche 911 is all wheel drive (AWD), it will have significant more traction and grip than 1991 Buick Riviera. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 Porsche 911 (390 Nm @ 4400 RPM) has 105 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2011 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera. 1991 Buick Riviera has automatic transmission and 2011 Porsche 911 has manual transmission. 2011 Porsche 911 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 | 2011 Porsche 911 | |
Make | Buick | Porsche |
Model | Riviera | 911 |
Year Released | 1991 | 2011 |
Body Type | Coupe | Convertible |
Engine Position | Front | Rear |
Engine Size | 3800 cc | 3600 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | V | boxer |
Horse Power | 170 HP | 345 HP |
Engine RPM | 4800 RPM | 6500 RPM |
Torque | 285 Nm | 390 Nm |
Torque RPM | 3200 RPM | 4400 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | Front | AWD |
Transmission Type | Automatic | Manual |
Number of Seats | 4 seats | 4 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1520 kg | 1480 kg |
Vehicle Length | 5040 mm | 4460 mm |
Vehicle Width | 1830 mm | 1852 mm |
Vehicle Height | 1350 mm | 1311 mm |
Wheelbase Size | 2760 mm | 2350 mm |