2003 Alpina Roadster vs. 2003 BMW 330
To start off, both 2003 Alpina Roadster and 2003 BMW 330 were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,346 cc (6 cylinders), 2003 Alpina Roadster is equipped with a bigger engine. In terms of performance, 2003 Alpina Roadster (301 HP @ 6300 RPM) has 117 more horse power than 2003 BMW 330. (184 HP @ 4000 RPM). In normal driving conditions, 2003 Alpina Roadster should accelerate faster than 2003 BMW 330. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 330 weights approximately 179 kg more than 2003 Alpina Roadster.
Because 2003 BMW 330 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, 2003 BMW 330 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 BMW 330 (410 Nm @ 1500 RPM) has 48 more torque (in Nm) than 2003 Alpina Roadster. (362 Nm @ 4800 RPM). This means 2003 BMW 330 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alpina Roadster. 2003 BMW 330 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. 2003 BMW 330 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alpina Roadster | 2003 BMW 330 | |
| Make | Alpina | BMW |
| Model | Roadster | 330 |
| Year Released | 2003 | 2003 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 184 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 362 Nm | 410 Nm |
| Torque RPM | 4800 RPM | 1500 RPM |
| Engine Bore Size | 87 mm | 84 mm |
| Engine Stroke Size | 93.8 mm | 90 mm |
| Engine Compression Ratio | 10.0:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1626 kg | 1805 kg |
| Vehicle Length | 4100 mm | 4480 mm |
| Vehicle Width | 1790 mm | 1750 mm |
| Vehicle Height | 1310 mm | 1420 mm |
| Wheelbase Size | 2500 mm | 2840 mm |
| Fuel Tank Capacity | 55 L | 63 L |
