2003 Alpina B3 vs. 2007 Audi A4
To start off, 2007 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Alpina B3. In addition, the cost of maintenance, including insurance, on 2003 Alpina B3 would be higher. At 3,344 cc (6 cylinders), 2003 Alpina B3 is equipped with a bigger engine. In terms of performance, 2003 Alpina B3 (301 HP @ 6200 RPM) has 140 more horse power than 2007 Audi A4. (161 HP @ 4000 RPM). In normal driving conditions, 2003 Alpina B3 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B3 weights approximately 85 kg more than 2007 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Alpina B3 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 Alpina B3. However, in wet, icy, snow, or gravel driving conditions, 2007 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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 B3 (362 Nm @ 4800 RPM) has 12 more torque (in Nm) than 2007 Audi A4. (350 Nm @ 1500 RPM). This means 2003 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2003 Alpina B3 | 2007 Audi A4 | |
| Make | Alpina | Audi |
| Model | B3 | A4 |
| Year Released | 2003 | 2007 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3344 cc | 2495 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 161 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 362 Nm | 350 Nm |
| Torque RPM | 4800 RPM | 1500 RPM |
| Engine Bore Size | 87 mm | 78.3 mm |
| Engine Stroke Size | 93.8 mm | 86.4 mm |
| Engine Compression Ratio | 10.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1645 kg | 1560 kg |
| Vehicle Length | 4490 mm | 4550 mm |
| Vehicle Width | 1760 mm | 1780 mm |
| Vehicle Height | 1360 mm | 1430 mm |
| Wheelbase Size | 2730 mm | 2660 mm |
| Fuel Tank Capacity | 63 L | 70 L |
