1998 Alfa Romeo 166 vs. 2006 Audi S4
To start off, 2006 Audi S4 is newer by 8 year(s). Which means there will be less support and parts availability for 1998 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 1998 Alfa Romeo 166 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 (340 HP @ 7000 RPM) has 114 more horse power than 1998 Alfa Romeo 166. (226 HP @ 6200 RPM) In normal driving conditions, 2006 Audi S4 should accelerate faster than 1998 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 330 kg more than 1998 Alfa Romeo 166. 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 @ 3500 RPM) has 134 more torque (in Nm) than 1998 Alfa Romeo 166. (276 Nm @ 5000 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1998 Alfa Romeo 166. 1998 Alfa Romeo 166 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 Alfa Romeo 166 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1998 Alfa Romeo 166 | 2006 Audi S4 | |
| Make | Alfa Romeo | Audi |
| Model | 166 | S4 |
| Year Released | 1998 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 226 HP | 340 HP |
| Engine RPM | 6200 RPM | 7000 RPM |
| Torque | 276 Nm | 410 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 84.5 mm |
| Engine Stroke Size | 72.6 mm | 92.8 mm |
| Acceleration 0-100mph | 8.5 seconds | 5.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1550 kg | 1880 kg |
| Vehicle Length | 4730 mm | 4590 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2650 mm |
| Fuel Tank Capacity | 72 L | 63 L |
