2007 Alfa Romeo 166 vs. 2004 Audi S4
To start off, 2007 Alfa Romeo 166 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi S4. In addition, the cost of maintenance, including insurance, on 2004 Audi S4 would be higher. At 4,162 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (339 HP @ 7000 RPM) has 103 more horse power than 2007 Alfa Romeo 166. (236 HP @ 6200 RPM) In normal driving conditions, 2004 Audi S4 should accelerate faster than 2007 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 225 kg more than 2007 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Audi S4 (410 Nm @ 3500 RPM) has 121 more torque (in Nm) than 2007 Alfa Romeo 166. (289 Nm @ 4800 RPM). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo 166. 2004 Audi S4 has automatic transmission and 2007 Alfa Romeo 166 has manual transmission. 2007 Alfa Romeo 166 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Alfa Romeo 166 | 2004 Audi S4 | |
| Make | Alfa Romeo | Audi |
| Model | 166 | S4 |
| Year Released | 2007 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 4162 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 236 HP | 339 HP |
| Engine RPM | 6200 RPM | 7000 RPM |
| Torque | 289 Nm | 410 Nm |
| Torque RPM | 4800 RPM | 3500 RPM |
| Engine Bore Size | 93.1 mm | 84.5 mm |
| Engine Stroke Size | 78 mm | 92.8 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Acceleration 0-100mph | 7.4 seconds | 5.8 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1765 kg |
| Vehicle Length | 4730 mm | 4590 mm |
| Vehicle Width | 1810 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2470 mm |
| Fuel Consumption Overall | 12.5 L/100km | 12.3 L/100km |
| Fuel Tank Capacity | 69 L | 63 L |
