2008 Audi A6 vs. 2007 Audi S4
To start off, 2008 Audi A6 is newer by 1 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 4,172 cc (8 cylinders), 2008 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (341 HP @ 7000 RPM) has 45 more horse power than 2008 Audi A6. (296 HP @ 6200 RPM) In normal driving conditions, 2007 Audi S4 should accelerate faster than 2008 Audi A6.
Let's talk about torque, 2007 Audi S4 (410 Nm @ 3500 RPM) has 10 more torque (in Nm) than 2008 Audi A6. (400 Nm @ 3000 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6. 2008 Audi A6 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. 2008 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A6 | 2007 Audi S4 | |
| Make | Audi | Audi |
| Model | A6 | S4 |
| Year Released | 2008 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 296 HP | 341 HP |
| Engine RPM | 6200 RPM | 7000 RPM |
| Torque | 400 Nm | 410 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Bore Size | 84.6 mm | 84.6 mm |
| Engine Stroke Size | 93 mm | 92.7 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4840 mm | 4590 mm |
| Vehicle Width | 1860 mm | 1730 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2650 mm |
| Fuel Tank Capacity | 82 L | 63 L |
