2003 Alfa Romeo 166 vs. 2007 Audi A8
To start off, 2007 Audi A8 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 3,936 cc (8 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (271 HP @ 3750 RPM) has 24 more horse power than 2003 Alfa Romeo 166. (247 HP @ 6200 RPM) In normal driving conditions, 2007 Audi A8 should accelerate faster than 2003 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 400 kg more than 2003 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 2007 Audi A8 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 A8 (651 Nm @ 1800 RPM) has 362 more torque (in Nm) than 2003 Alfa Romeo 166. (289 Nm @ 4800 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 166. 2007 Audi A8 has automatic transmission and 2003 Alfa Romeo 166 has manual transmission. 2003 Alfa Romeo 166 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2007 Audi A8 | |
| Make | Alfa Romeo | Audi |
| Model | 166 | A8 |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3177 cc | 3936 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 271 HP |
| Engine RPM | 6200 RPM | 3750 RPM |
| Torque | 289 Nm | 651 Nm |
| Torque RPM | 4800 RPM | 1800 RPM |
| Engine Bore Size | 93 mm | 81 mm |
| Engine Stroke Size | 78 mm | 95.5 mm |
| Top Speed | 245 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 6.7 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 | 1940 kg |
| Vehicle Length | 4730 mm | 5190 mm |
| Vehicle Width | 1810 mm | 1900 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2550 mm | 2950 mm |
| Fuel Consumption Overall | 12.5 L/100km | 9.7 L/100km |
| Fuel Tank Capacity | 69 L | 90 L |
