1999 Buick Riviera vs. 2007 Lexus GS
To start off, 2007 Lexus GS is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1999 Buick Riviera would be higher. At 3,791 cc (6 cylinders), 1999 Buick Riviera is equipped with a bigger engine. In terms of performance, 2007 Lexus GS (303 HP @ 6200 RPM) has 98 more horse power than 1999 Buick Riviera. (205 HP @ 5200 RPM) In normal driving conditions, 2007 Lexus GS should accelerate faster than 1999 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2007 Lexus GS weights approximately 40 kg more than 1999 Buick Riviera. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Lexus GS is four wheel drive (4WD), it will have significant more traction and grip than 1999 Buick Riviera. In wet, icy, snow, or gravel driving conditions, 2007 Lexus GS 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, 2007 Lexus GS (372 Nm @ 3600 RPM) has 60 more torque (in Nm) than 1999 Buick Riviera. (312 Nm @ 4000 RPM). This means 2007 Lexus GS will have an easier job in driving up hills or pulling heavy equipment than 1999 Buick Riviera.
Compare all specifications:
| 1999 Buick Riviera | 2007 Lexus GS | |
| Make | Buick | Lexus |
| Model | Riviera | GS |
| Year Released | 1999 | 2007 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 3454 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 205 HP | 303 HP |
| Engine RPM | 5200 RPM | 6200 RPM |
| Torque | 312 Nm | 372 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1700 kg | 1740 kg |
| Vehicle Length | 5270 mm | 4830 mm |
| Vehicle Width | 1910 mm | 1830 mm |
| Vehicle Height | 1400 mm | 1440 mm |
