1998 Alfa Romeo 166 vs. 2009 Audi S4
To start off, 2009 Audi S4 is newer by 11 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), 2009 Audi S4 is equipped with a bigger engine. In terms of performance, 2009 Audi S4 (340 HP @ 7000 RPM) has 150 more horse power than 1998 Alfa Romeo 166. (190 HP @ 6300 RPM) In normal driving conditions, 2009 Audi S4 should accelerate faster than 1998 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 1998 Alfa Romeo 166 weights approximately 590 kg more than 2009 Audi S4.
Because 2009 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1998 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi S4 (410 Nm @ 3500 RPM) has 184 more torque (in Nm) than 1998 Alfa Romeo 166. (226 Nm @ 5000 RPM). This means 2009 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 2009 Audi S4 has manual transmission. 2009 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 | 2009 Audi S4 | |
| Make | Alfa Romeo | Audi |
| Model | 166 | S4 |
| Year Released | 1998 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 190 HP | 340 HP |
| Engine RPM | 6300 RPM | 7000 RPM |
| Torque | 226 Nm | 410 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Engine Bore Size | 88 mm | 84.6 mm |
| Engine Stroke Size | 68.3 mm | 92.8 mm |
| Engine Compression Ratio | 10.3:1 | 18.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1520 kg | 930 kg |
| Vehicle Length | 4730 mm | 4580 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1400 mm |
| Wheelbase Size | 2710 mm | 2660 mm |
| Fuel Tank Capacity | 72 L | 63 L |
