1991 Buick Riviera vs. 2011 Lexus LS
To start off, 2011 Lexus LS 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 5,000 cc (8 cylinders), 2011 Lexus LS is equipped with a bigger engine. In terms of performance, 2011 Lexus LS (438 HP @ 6400 RPM) has 268 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2011 Lexus LS should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2011 Lexus LS weights approximately 911 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 2011 Lexus LS 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 Lexus LS 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 Lexus LS (521 Nm @ 4000 RPM) has 236 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2011 Lexus LS will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera.
Compare all specifications:
1991 Buick Riviera | 2011 Lexus LS | |
Make | Buick | Lexus |
Model | Riviera | LS |
Year Released | 1991 | 2011 |
Body Type | Coupe | Sedan |
Engine Position | Front | Front |
Engine Size | 3800 cc | 5000 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | V | V |
Horse Power | 170 HP | 438 HP |
Engine RPM | 4800 RPM | 6400 RPM |
Torque | 285 Nm | 521 Nm |
Torque RPM | 3200 RPM | 4000 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | Front | AWD |
Transmission Type | Automatic | CVT |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1520 kg | 2431 kg |
Vehicle Length | 5040 mm | 5179 mm |
Vehicle Width | 1830 mm | 1875 mm |
Vehicle Height | 1350 mm | 1481 mm |
Wheelbase Size | 2760 mm | 3091 mm |