2007 Alfa Romeo 166 vs. 2013 BMW 6 series
To start off, 2013 BMW 6 series is newer by 6 year(s). Which means there will be less support and parts availability for 2007 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2007 Alfa Romeo 166 would be higher. At 4,395 cc (8 cylinders), 2013 BMW 6 series is equipped with a bigger engine. In terms of performance, 2013 BMW 6 series (439 HP @ 6000 RPM) has 261 more horse power than 2007 Alfa Romeo 166. (178 HP @ 4000 RPM) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 2007 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series weights approximately 435 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 2013 BMW 6 series is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2013 BMW 6 series. However, in wet, icy, snow, or gravel driving conditions, 2007 Alfa Romeo 166, being front wheel drive (FWD), will offer much better control with better grip. 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, 2013 BMW 6 series (651 Nm @ 4500 RPM) has 266 more torque (in Nm) than 2007 Alfa Romeo 166. (385 Nm @ 2000 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo 166.
Compare all specifications:
| 2007 Alfa Romeo 166 | 2013 BMW 6 series | |
| Make | Alfa Romeo | BMW |
| Model | 166 | 6 series |
| Year Released | 2007 | 2013 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 4395 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 439 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 385 Nm | 651 Nm |
| Torque RPM | 2000 RPM | 4500 RPM |
| Engine Compression Ratio | 18.5:1 | 10.0 :1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 217 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 4.5 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1615 kg | 2050 kg |
| Vehicle Length | 4730 mm | 4897 mm |
| Vehicle Width | 1810 mm | 1895 mm |
| Vehicle Height | 1420 mm | 1364 mm |
| Wheelbase Size | 2710 mm | 2855 mm |
| Fuel Tank Capacity | 69 L | 70 L |
