2008 Audi A5 vs. 2004 Audi A4
To start off, 2008 Audi A5 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 4,163 cc (8 cylinders), 2008 Audi A5 is equipped with a bigger engine. In terms of performance, 2008 Audi A5 (349 HP @ 7000 RPM) has 148 more horse power than 2004 Audi A4. (201 HP @ 3500 RPM). In normal driving conditions, 2008 Audi A5 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 100 kg more than 2008 Audi A5.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2004 Audi A4 (451 Nm @ 1400 RPM) has 11 more torque (in Nm) than 2008 Audi A5. (440 Nm @ 3500 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A5. 2004 Audi A4 has automatic transmission and 2008 Audi A5 has manual transmission. 2008 Audi A5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A5 | 2004 Audi A4 | |
| Make | Audi | Audi |
| Model | A5 | A4 |
| Year Released | 2008 | 2004 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2967 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 349 HP | 201 HP |
| Engine RPM | 7000 RPM | 3500 RPM |
| Torque | 440 Nm | 451 Nm |
| Torque RPM | 3500 RPM | 1400 RPM |
| Engine Bore Size | 84.5 mm | 83 mm |
| Engine Stroke Size | 93 mm | 91.4 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 233 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 7.7 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1630 kg | 1730 kg |
| Vehicle Length | 4640 mm | 4590 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2760 mm | 2470 mm |
| Fuel Consumption Overall | 12.6 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 64 L | 63 L |
