2005 Alpina B7 vs. 2005 Audi S4
To start off, both 2005 Alpina B7 and 2005 Audi S4 were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,398 cc (8 cylinders), 2005 Alpina B7 is equipped with a bigger engine. In terms of performance, 2005 Alpina B7 (492 HP @ 5500 RPM) has 152 more horse power than 2005 Audi S4. (340 HP @ 6300 RPM). In normal driving conditions, 2005 Alpina B7 should accelerate faster than 2005 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alpina B7 weights approximately 110 kg more than 2005 Audi S4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Alpina B7 (700 Nm) has 290 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 2005 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Alpina B7 | 2005 Audi S4 | |
| Make | Alpina | Audi |
| Model | B7 | S4 |
| Year Released | 2005 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4161 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 492 HP | 340 HP |
| Engine RPM | 5500 RPM | 6300 RPM |
| Torque | 700 Nm | 410 Nm |
| Engine Bore Size | 92 mm | 85 mm |
| Engine Stroke Size | 82.7 mm | 93 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1950 kg | 1840 kg |
| Vehicle Length | 5040 mm | 4580 mm |
| Vehicle Width | 1910 mm | 1780 mm |
| Vehicle Height | 1480 mm | 1400 mm |
| Wheelbase Size | 3000 mm | 2660 mm |
| Fuel Tank Capacity | 88 L | 63 L |
