1991 Buick Riviera vs. 2006 Lincoln LS
To start off, 2006 Lincoln LS is newer by 15 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 4,604 cc (8 cylinders), 2006 Lincoln LS is equipped with a bigger engine. In terms of performance, 2006 Lincoln LS (239 HP @ 4000 RPM) has 69 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2006 Lincoln LS should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2006 Lincoln LS weights approximately 191 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 2006 Lincoln LS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 Lincoln LS. However, in wet, icy, snow, or gravel driving conditions, 1991 Buick Riviera, being front wheel drive (FWD), will offer much better control with better grip. 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, 2006 Lincoln LS (388 Nm @ 4000 RPM) has 103 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2006 Lincoln LS will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera.
Compare all specifications:
| 1991 Buick Riviera | 2006 Lincoln LS | |
| Make | Buick | Lincoln |
| Model | Riviera | LS |
| Year Released | 1991 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 4604 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 170 HP | 239 HP |
| Engine RPM | 4800 RPM | 4000 RPM |
| Torque | 285 Nm | 388 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Compression Ratio | 8.5:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1520 kg | 1711 kg |
| Vehicle Length | 5040 mm | 4940 mm |
| Vehicle Width | 1830 mm | 1870 mm |
| Vehicle Height | 1350 mm | 1440 mm |
| Wheelbase Size | 2760 mm | 2910 mm |
