2007 Audi S4 vs. 1999 Buick Riviera
To start off, 2007 Audi S4 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 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (340 HP @ 6800 RPM) has 135 more horse power than 1999 Buick Riviera. (205 HP @ 5200 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 1999 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 1999 Buick Riviera weights approximately 190 kg more than 2007 Audi S4.
Because 2007 Audi S4 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 Audi S4 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 Audi S4 (410 Nm @ 3500 RPM) has 98 more torque (in Nm) than 1999 Buick Riviera. (312 Nm @ 4000 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Buick Riviera.
Compare all specifications:
| 2007 Audi S4 | 1999 Buick Riviera | |
| Make | Audi | Buick |
| Model | S4 | Riviera |
| Year Released | 2007 | 1999 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3791 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 205 HP |
| Engine RPM | 6800 RPM | 5200 RPM |
| Torque | 410 Nm | 312 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1510 kg | 1700 kg |
| Vehicle Length | 4590 mm | 5270 mm |
| Vehicle Width | 1790 mm | 1910 mm |
| Vehicle Height | 1420 mm | 1400 mm |
