2006 Audi S4 vs. 1998 Buick Regal
To start off, 2006 Audi S4 is newer by 8 year(s). Which means there will be less support and parts availability for 1998 Buick Regal. In addition, the cost of maintenance, including insurance, on 1998 Buick Regal would be higher. At 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (339 HP @ 7000 RPM) has 134 more horse power than 1998 Buick Regal. (205 HP @ 5200 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 1998 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 386 kg more than 1998 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Audi S4 (410 Nm) has 98 more torque (in Nm) than 1998 Buick Regal. (312 Nm). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1998 Buick Regal. 1998 Buick Regal has automatic transmission and 2006 Audi S4 has manual transmission. 2006 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1998 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi S4 | 1998 Buick Regal | |
| Make | Audi | Buick |
| Model | S4 | Regal |
| Year Released | 2006 | 1998 |
| 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 | 339 HP | 205 HP |
| Engine RPM | 7000 RPM | 5200 RPM |
| Torque | 410 Nm | 312 Nm |
| Engine Bore Size | 84.6 mm | 96.5 mm |
| Engine Stroke Size | 92.8 mm | 86.4 mm |
| Engine Compression Ratio | 11.0:1 | 9.4:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1880 kg | 1494 kg |
| Vehicle Length | 4590 mm | 4990 mm |
| Vehicle Width | 1730 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2650 mm | 2780 mm |
| Fuel Tank Capacity | 63 L | 68 L |
