2003 Audi RS4 vs. 2007 Alpina B3
To start off, 2007 Alpina B3 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Audi RS4. In addition, the cost of maintenance, including insurance, on 2003 Audi RS4 would be higher. At 3,001 cc (6 cylinders), 2007 Alpina B3 is equipped with a bigger engine. In terms of performance, 2003 Audi RS4 (377 HP @ 6300 RPM) has 17 more horse power than 2007 Alpina B3. (360 HP @ 5500 RPM). In normal driving conditions, 2003 Audi RS4 should accelerate faster than 2007 Alpina B3.
Because 2003 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Alpina B3. In wet, icy, snow, or gravel driving conditions, 2003 Audi RS4 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, 2007 Alpina B3 (501 Nm @ 3800 RPM) has 52 more torque (in Nm) than 2003 Audi RS4. (449 Nm @ 2500 RPM). This means 2007 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi RS4. 2007 Alpina B3 has automatic transmission and 2003 Audi RS4 has manual transmission. 2003 Audi RS4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Alpina B3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Audi RS4 | 2007 Alpina B3 | |
| Make | Audi | Alpina |
| Model | RS4 | B3 |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 3001 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 377 HP | 360 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 449 Nm | 501 Nm |
| Torque RPM | 2500 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4480 mm | 4530 mm |
| Vehicle Width | 1740 mm | 1820 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 2610 mm | 2770 mm |
