2008 Audi A4 vs. 2012 Audi R8
To start off, 2012 Audi R8 is newer by 4 year(s). Which means there will be less support and parts availability for 2008 Audi A4. In addition, the cost of maintenance, including insurance, on 2008 Audi A4 would be higher. At 4,200 cc (8 cylinders), 2012 Audi R8 is equipped with a bigger engine. In terms of performance, 2012 Audi R8 (420 HP) has 170 more horse power than 2008 Audi A4. (250 HP) In normal driving conditions, 2012 Audi R8 should accelerate faster than 2008 Audi A4.
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, 2008 Audi A4 (450 Nm @ 1400 RPM) has 20 more torque (in Nm) than 2012 Audi R8. (430 Nm @ 4500 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2012 Audi R8.
Compare all specifications:
| 2008 Audi A4 | 2012 Audi R8 | |
| Make | Audi | Audi |
| Model | A4 | R8 |
| Year Released | 2008 | 2012 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 2967 cc | 4200 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 250 HP | 420 HP |
| Torque | 450 Nm | 430 Nm |
| Torque RPM | 1400 RPM | 4500 RPM |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 6-speed automated manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4550 mm | 4435 mm |
| Vehicle Width | 1780 mm | 1905 mm |
| Vehicle Height | 1430 mm | 1245 mm |
| Wheelbase Size | 2650 mm | 2649 mm |
| Fuel Tank Capacity | 66 L | 90 L |
