2009 Acura RL vs. 2003 Alpina Roadster
To start off, 2009 Acura RL is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Alpina Roadster. In addition, the cost of maintenance, including insurance, on 2003 Alpina Roadster would be higher. At 3,664 cc (6 cylinders), 2009 Acura RL is equipped with a bigger engine. In terms of performance, 2003 Alpina Roadster (301 HP @ 6300 RPM) has 5 more horse power than 2009 Acura RL. (296 HP @ 6300 RPM) In normal driving conditions, 2003 Alpina Roadster should accelerate faster than 2009 Acura RL. With that said, vehicle weight also plays an important factor in acceleration. 2009 Acura RL weights approximately 226 kg more than 2003 Alpina Roadster.
Because 2009 Acura RL is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alpina Roadster. In wet, icy, snow, or gravel driving conditions, 2009 Acura RL 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, 2003 Alpina Roadster (362 Nm @ 4800 RPM) has 91 more torque (in Nm) than 2009 Acura RL. (271 Nm @ 5000 RPM). This means 2003 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 2009 Acura RL. 2009 Acura RL has automatic transmission and 2003 Alpina Roadster has manual transmission. 2003 Alpina Roadster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Acura RL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Acura RL | 2003 Alpina Roadster | |
| Make | Acura | Alpina |
| Model | RL | Roadster |
| Year Released | 2009 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3664 cc | 3346 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 296 HP | 301 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 271 Nm | 362 Nm |
| Torque RPM | 5000 RPM | 4800 RPM |
| Engine Compression Ratio | 11.2:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1852 kg | 1626 kg |
| Vehicle Length | 4980 mm | 4100 mm |
| Vehicle Height | 1460 mm | 1310 mm |
| Wheelbase Size | 2810 mm | 2500 mm |
| Fuel Consumption Overall | 12.5 L/100km | 11.7 L/100km |
| Fuel Tank Capacity | 73 L | 55 L |
