2007 Alfa Romeo 166 vs. 2009 Mercedes-Benz R
To start off, 2009 Mercedes-Benz R is newer by 2 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 3,179 cc (6 cylinders), 2007 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo 166 (237 HP @ 6200 RPM) has 16 more horse power than 2009 Mercedes-Benz R. (221 HP @ 3800 RPM). In normal driving conditions, 2007 Alfa Romeo 166 should accelerate faster than 2009 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz R weights approximately 683 kg more than 2007 Alfa Romeo 166.
Because 2009 Mercedes-Benz R 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, 2009 Mercedes-Benz R 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 Mercedes-Benz R (510 Nm @ 2800 RPM) has 221 more torque (in Nm) than 2007 Alfa Romeo 166. (289 Nm @ 4800 RPM). This means 2009 Mercedes-Benz R 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 | 2009 Mercedes-Benz R | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 166 | R |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 2987 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 221 HP |
| Engine RPM | 6200 RPM | 3800 RPM |
| Torque | 289 Nm | 510 Nm |
| Torque RPM | 4800 RPM | 2800 RPM |
| Engine Bore Size | 93.1 mm | 83 mm |
| Engine Stroke Size | 78 mm | 92 mm |
| Engine Compression Ratio | 10.0:1 | 17.7:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 7.4 seconds | 8.8 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1615 kg | 2298 kg |
| Vehicle Length | 4730 mm | 5180 mm |
| Vehicle Width | 1810 mm | 1670 mm |
| Vehicle Height | 1420 mm | 1930 mm |
| Wheelbase Size | 2710 mm | 3220 mm |
| Fuel Consumption Overall | 12.5 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 69 L | 80 L |
