2004 Alpina Roadster vs. 2004 BMW 325
To start off, both 2004 Alpina Roadster and 2004 BMW 325 were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,346 cc (6 cylinders), 2004 Alpina Roadster is equipped with a bigger engine. In terms of performance, 2004 Alpina Roadster (301 HP @ 6300 RPM) has 117 more horse power than 2004 BMW 325. (184 HP @ 7250 RPM). In normal driving conditions, 2004 Alpina Roadster should accelerate faster than 2004 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alpina Roadster weights approximately 25 kg more than 2004 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 Alpina Roadster (362 Nm) has 125 more torque (in Nm) than 2004 BMW 325. (237 Nm). This means 2004 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 325.
Compare all specifications:
| 2004 Alpina Roadster | 2004 BMW 325 | |
| Make | Alpina | BMW |
| Model | Roadster | 325 |
| Year Released | 2004 | 2004 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 2490 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 | 7250 RPM |
| Torque | 362 Nm | 237 Nm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1620 kg | 1595 kg |
| Vehicle Length | 4100 mm | 4480 mm |
| Vehicle Width | 1790 mm | 1750 mm |
| Vehicle Height | 1300 mm | 1420 mm |
| Wheelbase Size | 2500 mm | 2730 mm |
| Fuel Consumption Overall | 11.7 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 55 L | 63 L |
