2003 Alpina Roadster vs. 2011 Infiniti FX
To start off, 2011 Infiniti FX is newer by 8 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 3,696 cc (6 cylinders), 2011 Infiniti FX is equipped with a bigger engine. In terms of performance, 2011 Infiniti FX (316 HP @ 7000 RPM) has 15 more horse power than 2003 Alpina Roadster. (301 HP @ 6300 RPM) In normal driving conditions, 2011 Infiniti FX should accelerate faster than 2003 Alpina Roadster.
Because 2011 Infiniti FX is all wheel drive (AWD), it will have significant more traction and grip than 2003 Alpina Roadster. In wet, icy, snow, or gravel driving conditions, 2011 Infiniti FX 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 2 more torque (in Nm) than 2011 Infiniti FX. (360 Nm @ 5200 RPM). This means 2003 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 2011 Infiniti FX. 2011 Infiniti FX 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. 2011 Infiniti FX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alpina Roadster | 2011 Infiniti FX | |
| Make | Alpina | Infiniti |
| Model | Roadster | FX |
| Year Released | 2003 | 2011 |
| Body Type | Convertible | Crossover |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 3696 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 316 HP |
| Engine RPM | 6300 RPM | 7000 RPM |
| Torque | 362 Nm | 360 Nm |
| Torque RPM | 4800 RPM | 5200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 5.4 seconds | 6.8 seconds |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 7-speed shiftable automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4100 mm | 4865 mm |
| Vehicle Width | 1790 mm | 1925 mm |
| Vehicle Height | 1310 mm | 1680 mm |
| Wheelbase Size | 2500 mm | 2885 mm |
| Fuel Tank Capacity | 55 L | 90 L |
