2005 Acura MDX vs. 2009 Alpina Roadster
To start off, 2009 Alpina Roadster is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Acura MDX. In addition, the cost of maintenance, including insurance, on 2005 Acura MDX would be higher. At 3,474 cc (6 cylinders), 2005 Acura MDX is equipped with a bigger engine. In terms of performance, 2009 Alpina Roadster (296 HP @ 6300 RPM) has 31 more horse power than 2005 Acura MDX. (265 HP @ 5600 RPM) In normal driving conditions, 2009 Alpina Roadster should accelerate faster than 2005 Acura MDX. With that said, vehicle weight also plays an important factor in acceleration. 2005 Acura MDX weights approximately 651 kg more than 2009 Alpina Roadster.
Because 2005 Acura MDX is four wheel drive (4WD), it will have significant more traction and grip than 2009 Alpina Roadster. In wet, icy, snow, or gravel driving conditions, 2005 Acura MDX 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 Alpina Roadster (362 Nm) has 19 more torque (in Nm) than 2005 Acura MDX. (343 Nm). This means 2009 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 2005 Acura MDX.
Compare all specifications:
| 2005 Acura MDX | 2009 Alpina Roadster | |
| Make | Acura | Alpina |
| Model | MDX | Roadster |
| Year Released | 2005 | 2009 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3474 cc | 3346 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 296 HP |
| Engine RPM | 5600 RPM | 6300 RPM |
| Torque | 343 Nm | 362 Nm |
| Engine Bore Size | 89 mm | 87 mm |
| Engine Stroke Size | 93 mm | 93.8 mm |
| Engine Compression Ratio | 10.0:1 | 10.2:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 7 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2046 kg | 1395 kg |
| Vehicle Length | 4800 mm | 4100 mm |
| Vehicle Width | 1960 mm | 1790 mm |
| Vehicle Height | 1820 mm | 1300 mm |
| Wheelbase Size | 2680 mm | 2500 mm |
| Fuel Consumption Overall | 12.4 L/100km | 10 L/100km |
| Fuel Tank Capacity | 77 L | 55 L |
