1999 Audi A4 vs. 2009 Audi Q7
To start off, 2009 Audi Q7 is newer by 10 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 2,967 cc (6 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (252 HP @ 4150 RPM) has 15 more horse power than 2009 Audi Q7. (237 HP @ 4000 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 2009 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 1075 kg more than 1999 Audi A4.
Because 2009 Audi Q7 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Audi A4. In wet, icy, snow, or gravel driving conditions, 2009 Audi Q7 will offer significantly more control. 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, 2009 Audi Q7 (550 Nm @ 2000 RPM) has 220 more torque (in Nm) than 1999 Audi A4. (330 Nm @ 1900 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4.
Compare all specifications:
| 1999 Audi A4 | 2009 Audi Q7 | |
| Make | Audi | Audi |
| Model | A4 | Q7 |
| Year Released | 1999 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 2967 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 252 HP | 237 HP |
| Engine RPM | 4150 RPM | 4000 RPM |
| Torque | 330 Nm | 550 Nm |
| Torque RPM | 1900 RPM | 2000 RPM |
| Engine Bore Size | 79.5 mm | 83.1 mm |
| Engine Stroke Size | 95.5 mm | 91.4 mm |
| Engine Compression Ratio | 19.5:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 13.1 seconds | 8.5 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1295 kg | 2370 kg |
| Vehicle Length | 4480 mm | 5090 mm |
| Vehicle Width | 1740 mm | 1990 mm |
| Vehicle Height | 1420 mm | 1740 mm |
| Wheelbase Size | 2620 mm | 3010 mm |
| Fuel Tank Capacity | 62 L | 100 L |
