1999 Buick Riviera vs. 2007 Lexus IS
To start off, 2007 Lexus IS 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, both vehicles can yield 205 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 1999 Buick Riviera weights approximately 140 kg more than 2007 Lexus IS.
Because 2007 Lexus IS 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 2007 Lexus IS. However, in wet, icy, snow, or gravel driving conditions, 1999 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, 1999 Buick Riviera (312 Nm @ 4000 RPM) has 60 more torque (in Nm) than 2007 Lexus IS. (252 Nm @ 3800 RPM). This means 1999 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2007 Lexus IS. 1999 Buick Riviera has automatic transmission and 2007 Lexus IS has manual transmission. 2007 Lexus IS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Buick Riviera | 2007 Lexus IS | |
| Make | Buick | Lexus |
| Model | Riviera | IS |
| Year Released | 1999 | 2007 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2491 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 205 HP | 205 HP |
| Engine RPM | 5200 RPM | 6400 RPM |
| Torque | 312 Nm | 252 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Bore Size | 96.5 mm | 83 mm |
| Engine Stroke Size | 86.4 mm | 77 mm |
| Engine Compression Ratio | 9.4:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1700 kg | 1560 kg |
| Vehicle Length | 5270 mm | 4580 mm |
| Vehicle Width | 1910 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1430 mm |
