 
| Current generation | Third generation (A3) (1999) | 
| Next generation | Fourth generation (A4) (2000-2005) | 
| Engine The engine is the heart of the car. The larger the engine size, the more power it can produce. | 2.0 ATM
				                        (2.0L I-4) 2.8L ACK (2.8L V6) ATD (1.9L I-4) | 
| 0-60 times The acceleration of the car from 0 to 60 miles per hour plays a huge role for every car enthusiast - the faster the car is able to reach this speed - the more valuable and sporty it is considered. | 7.7 - 12.2 sec | 
| HP The more horsepower under the hood of your car - the higher speed it can reach and the larger loads it can carry. | 99 - 184 hp | 
| Tire size Your safety on the road depends on the quality of your tires - keep an eye on their condition and change them in time if you start to notice their wear. | 185/60 R14, 195/60 R14, 195/50 R15, 195/65 R15, 205/50 R15, 205/45 R16, 205/55 R16, 205/40 R17, 225/45 R17, 215/35 R18, 235/35 R19 | 
| Bulb size If you feel that the light from your stock headlights is not enough - try to replace the bulbs with a more powerful, but make sure to choose a size that meets the factory standards. | H3 | 9005 | 9007 | 9004 | 2825 | 2825 | 2825 | 
| Dimensions The external dimensions of the vehicle are defined by three main measurements: Length x Width x Height (LxWxH). | 172.3 x 66.7 x 56.1 in | 
| Steering wheel size The size of the car steering wheel is indicated by two parameters - its diameter and grip circumference - it is useful to know this if you are selecting a steering wheel cover. | 15 in | 
| Speakers size Speakers are necessary for audio playback in your car, the more speakers - the louder the sound. | 8 - 10 Speakers | 
| Towing capacity Do not exceed the maximum permissible towing capacity of your vehicle - it can cause damage to the vehicle and even lead to an accident! | 2000 lbs | 
| Oil capacity Make sure that the oil in your engine is always at an adequate level for its proper operation. | 4.2 - 6.1 quarts 5W-30 | 
| Wipers size Wipers help you to see the road even in the worst storm - do not skimp on their quality. | 19 - 21 in | 
| Fuses If any of the fuses blew - it will often fail and the system for which it is responsible, so if you notice a malfunction in the electrical system of the car - then check the fuses first. | |
| Gas tank size Your car's gas tank can hold a certain amount of fuel - keep this in mind when planning a long trip, you may need to refuel along the way. | 14.50 gal | 
| Battery size The battery is responsible for powering all of the electrical components in your car - keep an eye on its condition, because over time it loses its power and needs to be replaced. | H4, H5-AGM, H6-AGM | 
| Safety ratings Modern cars are equipped with a huge number of systems and devices to ensure the safety of the driver and passengers. | Not Rated  | 
| Complaints Not all cars are perfect - some cars come out of the factory with faults, which then interfere with normal operation. | 349 | 
| Generations During the production process, cars undergo various changes, both externally and technically. Global changes usually mark the transition to the next generation. | Third generation (A3) (1999) | 
| GL 4dr Sedan | 
| TDI 4dr Sedan | 
| GLX 4dr Sedan | 
| Wolfsburg 4dr Sedan | 
| GL 4dr Sedan | 
| GL TDI 4dr Sedan | 
| GLS 4dr Sedan | 
| GLS TDI 4dr Sedan | 
| GLS VR6 4dr Sedan | 
| GLX 4dr Sedan | 
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