2009 Alpina B7 vs. 2007 Audi S4
To start off, 2009 Alpina B7 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi S4. In addition, the cost of maintenance, including insurance, on 2007 Audi S4 would be higher. At 4,397 cc (8 cylinders), 2009 Alpina B7 is equipped with a bigger engine. In terms of performance, 2009 Alpina B7 (493 HP @ 5500 RPM) has 152 more horse power than 2007 Audi S4. (341 HP @ 7000 RPM). In normal driving conditions, 2009 Alpina B7 should accelerate faster than 2007 Audi S4.
Let's talk about torque, 2009 Alpina B7 (700 Nm @ 4250 RPM) has 290 more torque (in Nm) than 2007 Audi S4. (410 Nm @ 3500 RPM). This means 2009 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi S4. 2009 Alpina B7 has automatic transmission and 2007 Audi S4 has manual transmission. 2007 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Alpina B7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Alpina B7 | 2007 Audi S4 | |
| Make | Alpina | Audi |
| Model | B7 | S4 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 493 HP | 341 HP |
| Engine RPM | 5500 RPM | 7000 RPM |
| Torque | 700 Nm | 410 Nm |
| Torque RPM | 4250 RPM | 3500 RPM |
| Engine Bore Size | 92 mm | 84.6 mm |
| Engine Stroke Size | 82.8 mm | 92.7 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 300 km/hour | 249 km/hour |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5180 mm | 4590 mm |
| Vehicle Width | 1910 mm | 1730 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 3140 mm | 2650 mm |
| Fuel Tank Capacity | 88 L | 63 L |
