1999 Audi A4 vs. 2008 Audi R8
To start off, 2008 Audi R8 is newer by 9 year(s). Which means there will be less support and parts availability for 1999 Audi A4. In addition, the cost of maintenance, including insurance, on 1999 Audi A4 would be higher. At 4,163 cc (8 cylinders), 2008 Audi R8 is equipped with a bigger engine. In terms of performance, 2008 Audi R8 (420 HP @ 7800 RPM) has 172 more horse power than 1999 Audi A4. (248 HP @ 4150 RPM) In normal driving conditions, 2008 Audi R8 should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi A4 weights approximately 255 kg more than 2008 Audi R8.
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 R8 (430 Nm @ 2500 RPM) has 91 more torque (in Nm) than 1999 Audi A4. (339 Nm @ 1900 RPM). This means 2008 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4.
Compare all specifications:
| 1999 Audi A4 | 2008 Audi R8 | |
| Make | Audi | Audi |
| Model | A4 | R8 |
| Year Released | 1999 | 2008 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 1896 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 248 HP | 420 HP |
| Engine RPM | 4150 RPM | 7800 RPM |
| Torque | 339 Nm | 430 Nm |
| Torque RPM | 1900 RPM | 2500 RPM |
| Engine Compression Ratio | 19.5:1 | 12.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 190 km/hour | 295 km/hour |
| Acceleration 0-100mph | 11.9 seconds | 4.6 seconds |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1430 kg | 1175 kg |
| Vehicle Length | 4480 mm | 4440 mm |
| Vehicle Width | 1740 mm | 1910 mm |
| Vehicle Height | 1420 mm | 1260 mm |
| Wheelbase Size | 2610 mm | 2660 mm |
| Fuel Tank Capacity | 60 L | 75 L |
