2007 Audi RS4 vs. 2003 Subaru B
To start off, 2007 Audi RS4 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Subaru B. In addition, the cost of maintenance, including insurance, on 2003 Subaru B would be higher. At 4,163 cc (8 cylinders), 2007 Audi RS4 is equipped with a bigger engine. In terms of performance, 2007 Audi RS4 (414 HP @ 7800 RPM) has 25 more horse power than 2003 Subaru B. (389 HP @ 6400 RPM). In normal driving conditions, 2007 Audi RS4 should accelerate faster than 2003 Subaru B. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi RS4 weights approximately 70 kg more than 2003 Subaru B. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 Subaru B (550 Nm @ 3600 RPM) has 119 more torque (in Nm) than 2007 Audi RS4. (431 Nm @ 5500 RPM). This means 2003 Subaru B will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi RS4. 2003 Subaru B has automatic transmission and 2007 Audi RS4 has manual transmission. 2007 Audi RS4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Subaru B will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi RS4 | 2003 Subaru B | |
| Make | Audi | Subaru |
| Model | RS4 | B |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2999 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 414 HP | 389 HP |
| Engine RPM | 7800 RPM | 6400 RPM |
| Torque | 431 Nm | 550 Nm |
| Torque RPM | 5500 RPM | 3600 RPM |
| Engine Bore Size | 84.5 mm | 89.2 mm |
| Engine Stroke Size | 92.8 mm | 80 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1650 kg | 1580 kg |
| Vehicle Length | 4590 mm | 4790 mm |
| Vehicle Width | 1820 mm | 1940 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2680 mm |
