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Audi A4

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Audi A4

The mid-sized Audi A4 dates back to 1994, and is one of the mainstays of the German luxury brand's line.

Its main rivals are other mid-sized luxury cars like the BMW 3 Series and Mercedes-Benz C-Class. An all-new A4, known as the B9, launched worldwide in 2016, and includes a four-door sedan, four-door Avant wagon and a two-door convertible. Prices start at $55,900 for the A4 35 Tfsi Mhev up to $72,900 for the A4 Allroad 45 Tfsi Quattro Mhev.

The A4 is powered by an array of turbocharged petrol and diesel engines and can be had in both front- and all-wheel drive variants. It's also spawned offshoots like the A5 coupe, the S4 sports sedan and wagon and the potent RS4.

Audi A4 Models Price and Specs

The price range for the Audi A4 varies based on the trim level you choose. Starting at $42,700 and going to $75,240 for the latest year the model was manufactured. The model range is available in the following body types starting from the engine/transmission specs shown below.

Year Body Type Specs Price from Price to
2021 Sedan 2.0L, PULP, 7 SP AUTO $42,700 $71,060
2021 Wagon 2.0L, PULP, 7 SP AUTO $51,000 $75,240
2021 Sedan 2.0L, PULP, 7 SP AUTO $55,900 $68,900
2021 Wagon 2.0L, Diesel $69,900 $72,900
2020 Sedan 2.0L, PULP, 7 SP AUTO $42,700 $71,060
2020 Wagon 2.0L, PULP, 7 SP AUTO $51,000 $75,240
2019 Sedan 1.4L, PULP, 7 SP AUTO $39,700 $66,220
2019 Wagon 2.0L, PULP, 7 SP AUTO $48,100 $69,850
2018 Sedan 2.0L, PULP, 7 SP AUTO $34,600 $68,420
2018 Wagon 2.0L, PULP, 7 SP AUTO $42,400 $71,390
2017 Sedan 1.8L, PULP, CVT AUTO $22,400 $51,590
2017 Wagon 1.8L, PULP, CVT AUTO $27,700 $58,850
See All Audi A4 Pricing and Specs

Audi A4 Q&As

Check out real-world situations relating to the Audi A4 here, particularly what our experts have to say about them.

  • What oil does a 2004 Audi A4 use in the engine?

    I’d go for a fully synthetic engine oil with a viscosity rating of 5W-40. The turbocharged 1.8-litre engine in that model is a pretty hard-working unit and quite a complex engine, so frequent oil changes are critical to its longevity. The brand of oil is not so important, provided you use a quality brand and not the Brand-X stuff sold at supermarkets and some online clearing houses. Don’t forget to change the oil filter at the same time; putting clean, fresh oil through an old, dirty filter makes no sense at all.

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  • Audi A3 and A4 2010: Are they reliable?

    Volkswagen is very quick to point out that the earlier transmission woes with its DSG gearbox have been fixed. Certainly, the later versions seem to be better, but the jury is still out on whether the fix has been a complete one.

    In any case, that’s no use to you as the cars made around 2010 are, indeed, the ones that were most affected by these troublesome transmissions. The smaller Audi models were the main offenders as some of those used the dry-clutch version of the DSG. The larger (and heavier) A4 tended to have the wet-clutch version of the same gearbox which wasn’t nearly as problematic. So that should be your golden rule here if you decide to take the plunge: Only buy a second-hand Audi with a wet-clutch DSG. Even then, we can’t guarantee that it will be all sweetness and light, but at least you’re a chance to side-step major problems. Audi actually recalled many of its models to deal with these gearbox issues at the time.

    The other thing to be sure of is that any used Audi you buy has a complete service history with no gaps or late services. These cars use high-tech engines that absolutely require clean oil and filters at regular intervals. A neglected Audi is a very good chance to be a pain in the wallet down the track. Like many second-hand prestige cars, these Audis are often cheap for a reason.

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  • Should I buy an Audi A3 or A4?

    It would pay to bear in mind, Tony that there’s an all-new A3 due in Europe next year (Check out Carsguide’s overage of the Geneva Motor Show when it happens) as well as a major upgrade of the A4 that will include new or comprehensively revised engines and mostly new body panels and interior.

    Is the heavily discounted A4 a dealership demonstrator? As that might explain why the A4, even though it’s the bigger car, has had its price slashed, despite having all that desirable kit thrown in. That said, the A4 lives in a market segment (mid-sized sedans) that is not doing terribly well right now (in Australia and elsewhere) so maybe Audi has too much stock of a car that has plenty of competition (Mercedes-Benz C-Class and BMW 3-Series) in a struggling market.

    The bottom line, however, is to buy as much car as you need and don’t make the mistake of buying a smaller, cheaper car when it won’t easily do the jobs you have in mind for it. Again, though, the A3 is a pretty practical hatchback (or sedan) and owners don’t seem to complain that it’s underdone in any major way.
    So, drive them both, and see which one you like to pilot. And then start throwing offers at the salesman and see how much he or she is able to bend on either car. By the way, the virtual cockpit is brilliant technology.

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  • Audi A4: replacement key cost
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See All Audi A4 Q&As
Disclaimer: You acknowledge and agree that all answers are provided as a general guide only and should not be relied upon as bespoke advice. Carsguide is not liable for the accuracy of any information provided in the answers.

Audi A4 Colours

  • Brilliant Black
  • Ibis White
  • Floret Silver
  • Glacier White
  • Manhattan Grey
  • Matador Red
  • Monsoon Grey
  • Mythos Black
  • Navarra Blue
  • Tango Red
To confirm current colour availability, please check the manufacturer's website. Shown above are the colours for the Audi A4 2019.

Audi A4 Accessories

In standard guise this allroad’s features list includes a new 10.1-inch touchscreen (with Apple CarPlay and Android Auto), DAB+ digital radio, an Audi 10-speaker stereo, wireless charging for Qi-enabled smartphones, Audi’s Virtual Cockpit (a 12.3-inch digital display), smart key with push-button start, leather trim, three-zone climate control, as well as LED headlights, 18-inch alloy wheels, illuminated door sills, and overall tweaked exterior and interior styling.

It also has AEB with pedestrian detect, lane change warning, rear cross-traffic alert, front and rear parking sensors and a reversing camera.

But our test vehicle has a few different features and a fair few extras. Our allroad has a ‘price as tested’ of $75,681 (plus on-road costs), because it has Assistance plus package ($2900), which includes a raft of driver-assist tech, such as adaptive cruise control, active lane assist, collision avoidance assist, high beam assist, head up display, park assist (helps to steer the vehicle into a parallel or perpendicular parking space), as well as a 360-degree-view cameras.

It also has 19-inch Audi sport alloy wheels in 10-Y-spoke design ($1350), instead of the standard 18-inch alloy wheels in 5-V-spoke design, and metallic paint (Mahattan grey, $1531).

Audi A4 Interior

The allroad’s interior looks good and certainly feels open and spacious, although the driver’s seat tends to feel a bit more snug as the dash is angled towards that position.

The new 10.1-inch touchscreen, home for most upfront functions, dominates the dash, in a good way.

The front seats are electrically adjustable with lumbar and driver memory.

There are plenty of places in which to put your everyday bits and pieces (including a decent storage bin/arm-rest), as well as charging points, including two USB ports, for your devices.

Need somewhere to put a cold beverage, mate? There are two cup-holders between driver and front-seat passenger, two in the fold-down centre arm-rest for the back-seat passengers, and bottle holders in all doors.

Back-seat passengers also get air vents, climate control, mesh seat-back pockets and grab handles. 

There is a 495-litre cargo space when the rear seats are in use, but that increases to 1495 litres when those seats – 40:20:40 split folding – are stowed away in the floor.

Audi A4 Dimensions

The dimensions of the Audi A4 Sedan and Wagon vary according to year of manufacture and spec level.

Year Body Type Height x Width x Length Ground Clearance
2021 Sedan 1431x1847x4762 mm 138 mm
2021 Wagon 1430x1847x4762 mm 172 mm
2020 Sedan 1431x1847x4762 mm 138 mm
2020 Wagon 1457x1842x4726 mm 137 mm
2019 Wagon 1457x1842x4726 mm 137 mm
2019 Sedan 1427x1842x4726 mm 137 mm
2018 Sedan 1427x1842x4726 mm 137 mm
2018 Wagon 1436x1826x4699 mm 129 mm
2017 Sedan 1427x1842x4726 mm 137 mm
2017 Wagon 1436x1826x4699 mm 129 mm
The dimensions shown above are for the base model. See All Audi A4 Dimensions

Audi A4 Wheel Size

The Audi A4 has a number of different wheel and tyre options. When it comes to tyres, these range from 245x35 R19 9 for Sedan in 2021 with a wheel size that spans from —.

Year Body Type Front Tyre Size Front Rim Rear Tyre Size Rear Rim
2021 Sedan 245x35 R19 9 245x35 R19 9
2021 Wagon 245x45 R18 245x45 R18
2020 Sedan 245x35 R19 9 245x35 R19 9
2020 Wagon 245x40 R18 18x8 inches 245x40 R18 18x8 inches
2019 Sedan 245x40 R18 18x8 inches 245x40 R18 18x8 inches
2019 Wagon 245x40 R18 18x8 inches 245x40 R18 18x8 inches
2018 Wagon 225x50 R17 17x7.5 inches 225x50 R17 17x7.5 inches
2018 Sedan 245x40 R18 18x8 inches 245x40 R18 18x8 inches
2017 Wagon 225x50 R17 17x7.5 inches 225x50 R17 17x7.5 inches
2017 Sedan 245x40 R18 18x8 inches 245x40 R18 18x8 inches
The dimensions shown above are for the base model. See All Audi A4 Wheel Sizes

Audi A4 Fuel Consumption

The Audi A4 is available in a number of variants and body types that are powered by PULP and Diesel fuel type(s). It has an estimated fuel consumption starting from 6.1L/100km for Sedan /PULP for the latest year the model was manufactured.

Year Body Type Fuel Consumption* Engine Fuel Type Transmission
2021 Sedan 6.1L/100km 2.0L PULP 7 SP AUTO
2021 Wagon 5.2L/100km 2.0L Diesel
2021 Wagon 7.3L/100km 2.0L PULP
2020 Sedan 6.1L/100km 2.0L PULP 7 SP AUTO
2020 Wagon 5.2L/100km 2.0L Diesel
2020 Wagon 5.6L/100km 2.0L PULP 7 SP AUTO
2019 Sedan 4.6L/100km 2.0L Diesel 7 SP AUTO
2019 Sedan 5.5L/100km 1.4L PULP 7 SP AUTO
2019 Wagon 5.3L/100km 2.0L Diesel 7 SP AUTO
2019 Wagon 5.6L/100km 2.0L PULP 7 SP AUTO
2018 Sedan 4.6L/100km 2.0L Diesel 7 SP AUTO
2018 Sedan 5.5L/100km 1.4L PULP 7 SP AUTO
2018 Wagon 5.6L/100km 2.0L Diesel 7 SP AUTO
2018 Wagon 6L/100km 1.8L PULP CVT AUTO
2017 Sedan 4.6L/100km 2.0L Diesel 7 SP AUTO
2017 Sedan 5.5L/100km 1.4L PULP 7 SP AUTO
2017 Wagon 5.6L/100km 2.0L Diesel 7 SP AUTO
2017 Wagon 6L/100km 1.8L PULP CVT AUTO
* Combined fuel consumption See All Audi A4 Pricing and Specs for 2021

Audi A4 Towing Capacity

The Audi A4 has maximum towing capacity of 1900kg for the latest model available.

Year Body Type Braked Capacity from Braked Capacity to
2021 Sedan 1600kg 1900kg
2021 Wagon 1900kg 1900kg
2020 Wagon 0kg 1900kg
2020 Sedan 1500kg 1900kg
2019 Sedan 1500kg 1800kg
2019 Wagon 1500kg 1800kg
2018 Sedan 1500kg 1900kg
2018 Wagon 1500kg 1900kg
2017 Sedan 1500kg 1900kg
2017 Wagon 1500kg 1900kg
See All Towing Capacity for Audi A4

Audi A4 Speed

The current Audi A4 allroad quattro 40 TDI is claimed to do the 0-100km/h sprint in 7.9 seconds. The upcoming new A4 allroad quattro 40 TDI is claimed to achieve that mark in 7.3 seconds.

Audi A4 Seats

The following Audi A4 is available with five seats. The A4 35 TFSI S tronic variant comes with leather appointed trim as standard, with the choice of Black, Rock Grey or Granite Grey. Milano leather upholstery is available as an optional extra, with the choice of Atlas Beige, Black or Rock Grey. The A4 40 TFSI S tronic and 45 TFSI quattro S tronic variants come with Alcantara and leather seats, in either Black or Rock Grey. It is also available with either leather appointed trim in Black or Rock Grey, Fine Nappa leather in either Black or Rotor Grey or Milano leather in the choice of Atlas Beige, Black or Rock Grey.

Audi A4 Seats
Shown above are seat details for the Audi A4 2019.