In case you are thinking about using an Audi for your next car, we've created a comprehensive guide to what you'll want to look out for in your purchase.
One of the major reasons to purchase a used Audi is for their strength and reliability. The brand also have many other factors that place them as one of the most solid options for purchasing a used vehicle in UK.
And seeing as this article deals with models from 2015 and newer, buyers should be aware that Audi reliability is even better on these models than for previous generations, leading to even less maintenance costs and unexpected breakdowns.
FleetNews reported that Audi ranked at third place for overall reliability in 2024, further highlighting the Audi A3 as one of the most trustworthy cars overall compared to all car models and makers.
So join us for a deep dive into five of the most attractive options for used cars in the UK market, where we look at specific models, which Audi model is most reliable, touch on UK-specific considerations like MOT history and local market pricing, while also providing a handful of general tips and tricks to make your purchase and transaction go as smoothly as possible.
Why Reliability Matters in a Used Audi
When it comes to Audi, they have earned a special place in Britain thanks to their German engineering pedigree, but there are plenty of other reasons to opt for a car from this trusted brand.
Luxurious Performance
German-built quality offers a balance of luxury and performance that appeals to enthusiasts wanting the most reliable Audi model.
Reliability
No matter which used car you are looking at, the question of dependability should always be considered. Choosing an Audi can help alleviate some of the uncertainty associated with other brands, since these cars are known to be well made and long-lasting.
Fewer Repairs Overall
Not only will a reliable car keep you on the road for longer intervals, but since Audis are well-made repair costs can be kept to a minimum, which is good as their repair costs are higher compared to other cars.
Reliability Checklist for UK Buyers
To ensure you are getting a dependable vehicle, use these data points to vet any used Audi.
Service History and Mechanic Receipts
One of the main ways in which to ensure reliability when buying used cars in the UK, is to look at the receipts of past service checks. Not only will it show any recurring issues, but also give you an idea of how well maintained the car is.
MOT Reports
Another great place to find information is the official MOT documentation. If the car has ever failed you will find out the reason why, and be able to ask the seller specific questions regarding any repairs.
VIN Checks
Another important place to find even more information is to use an online Audi VIN decoder free. We will cover this section later on, but for now be aware this can provide extensive data to help you pick the perfect used car.
So, let us look at specific models. From the ever-popular Audi A3 hatchback to the robust Audi Q5 SUV, we'll count down the Audi models that have proven to stand the test of time.
Top Five Reliable Used Audi Models in the UK Market
Five used Audi models from the last 10 years have been determined as the most reliable cars on the UK market using publicly available feedback from UK owners, reliability survey data, MOT history analysis and professional mechanics’ expert opinion. Factors taken into consideration when compiling these five models are resistance to British weather and road conditions, prices for common repairs, overall owner satisfaction. All factors that are very important for British drivers.
As a quick overview, here are the five cars we've selected:
1. Audi A3 - Reliable smaller car for daily driving.
2. Audi A4 - Solid option for both single commuters, as well as families.
3. Audi TT - Fun choice for a sporty and sleek feel.
4. Audi Q5 - Larger family SUV for tons of flexibility.
5. Audi Q7 - Luxurious flagship SUV with all the bells and whistles.
1. Audi A3 (2013–2020) – The Dependable All-Rounder
Proven track record
The Audi A3 exemplifies reliability. as it is by far Audi's most dependable model in the last 10 years. Its overall simplicity in comparison to the larger Audi lineup makes it easier to maintain as it has less complex components to potentially fail compared to other models. Audi 2.0 TDI diesel engine has earned a great deal of respect for being durable and efficient.
Engineering and reliability
The Audi A3 is "regarded as one of the most dependable Audis on offer". It even placed 8th in a 2024 UK reliability survey of all car models, as mentioned earlier, which in and ot itself is an impressive feat for a luxury hatchback. Audi's own press has highlighted the A3's strong reliability record among company cars as well, another great sign for the savvy used car buyer.
UK used market info
Audi A3s are available to buy in the UK in large numbers, and most will have been serviced regularly during the period of their lease or prior to sale. As an example, a 2015 Audi A3 Sportback would be expected to sell for between £5000 and £6000. To have the best chance of being able to achieve a vehicle that will provide long-term reliability, a buyer should look for an Audi A3 with a full service history available.
Practicality and appeal
Choosing an A3 doesn't just mean reliability. In fact, it's also a premium yet practical car with a 5-star Euro NCAP safety rating, a 380L boot and top quality interior. The Audi A3 is an economical and elegant option for UK drivers that provides dependable transport for commuting & family duties. It has petrol & diesel models capable of providing fuel economy of at least 50 mpg & is an affordable means of entering the Audi ownership experience.
2. Audi A4 (2008–2016 & 2016–2023) – Executive Sedan with Solid Reliability
Proven track record
The Audi A4, especially the B8 generation, and early B9 generation has built a strong reliability reputation as a used executive car in the UK. Over decades, the A4's dependability has "improved with age", making it one of the more reliable Audi models, according to experts at Heritage Automotive. In fact, many owners report that even high-mileage A4s can remain trouble-free with proper care.
Engineering and reliability
The A4 has the same engines and platform as the A5 and A6, but it is less complicated to buy. That allows these vehicles to be sold at a lower price point, providing the same level of performance, design, etc. The diesel 2.0 TDI and petrol 2.0 TFSI motors are very popular and noteworthy options. Common issues such as occasional timing chain tensioner problems on early petrols were ironed out in later models.
UK used market info
Like the Audi A3, used A4s are widely available across the UK, in many different trims and editions to choose from. The prices range from ~£7,000 for a 2014 sedan up to ~£18,000 for a 2018 model depending on mileage and condition. Again, we advise buyers to look for one with complete Audi dealer service history and check for any MOT advisories on suspension, as UK roads can wear out bushings on a heavier car.
Practicality and appeal
Audi A4 owners appreciate the build quality and longevity of the car, and in the public eye, the A4 has won multiple awards in its class. One car magazine called it "a reliable model" with the bonus of a five-star safety rating. A recent survey also found that newer A4s have scored above average in reliability, meaning most owners had a fault-free experience.
3. Audi TT (2006–2014 & 2014–present) – The Reliable Sports Coupé
Proven track record
Many UK TT owners report racking up well over 100k miles with only routine maintenance. The TT scored Very Good in one UK reliability index, one of the highest among Audi models. It also frequently tops "best used sports car" lists, as it was named Best Used Coupé by Auto Express in recent years for example. These accolades are attributed to its simpler Quattro system and solid build.
Engineering and reliability
The TT has robust engineering from VW/Audi under its stylish exterior. The most reliable engine is the 2L TFSI petrol engine, as it is a solid turbocharged engine, pretty much identical to the ones in the Audi S3 and VW Golf GTI. The 2L TFSI is generally reliable. However, buyers should make sure the timing chain has been maintained properly to avoid potential problems with the engine.
UK used market info
Note that used Audi TTs hold their value well, due to steady demand. A 2010 TT 2.0 TFSI with moderate mileage can cost around £4,000–£5,000, while newer models from 2017 and onwards may be £15k or more. Convertibles and Coupés are both available, with a similar reliability for both, but check the condition of the power roof on Roadsters.
Practicality and appeal
All in all, the Audi TT is proof that a fun sports car can also be reliable. Both the second-generation TT, 2006–2014, and third-gen, from 2014 to the present, have shown excellent longevity and dependability. The TT is "rated highly for reliability", delivering a dependable car even when buying pre-owned, according to Cinch's used car experts.
4. Audi Q5 (2008–2017) – Rugged Family SUV You Can Rely On
Proven track record
The original Audi Q5 is a trusted, luxury SUV that was very practical for everyday use. It was the first midsize SUV produced by Audi and used many, already-proven parts and systems. Many families in Britain thought it to be the ideal combination of size, comfort, and dependability, and therefore wanted one. The Q5 has a "Very Good" rating concerning reliability on reliability ratings based on data from MOT Tests performed in the UK.
Engineering and reliability
The Q5 came with a range of engines, but the 2.0 TDI diesel is a standout for reliability and economy. One interesting analysis found that the diesel engines in the Q5 are strong performers over high mileage. The Quattro all-wheel-drive system in the Q5 is largely mechanical and highly durable, making it great for wet UK winters and even light off-road use.
UK used market info
For buyers looking at purchasing a used Audi Q5, regular service checks are once again strongly advised. Mainly due to the extra assurance regarding the diesel particulate filter and timing belt, two potential issues. Buyers should also be aware of ULEZ compliance, as the later Q5 diesels are London-friendly, whereas earlier ones might face charges. Overall, the Audi Q5 is an ideal reliable SUV for UK drivers who need space and confidence on long road trips.
Practicality and appeal
The majority of owners say their Q5 has outlived its described "limited warranty" of 100K miles. Most of the problems they have encountered after that point were related to normal wear and tear. In addition to being reliable overall, the resale value of the Q5 supports its long-term dependability, as even Q5s over six years old still sell for approximately £13,000+ in the UK. The resale value of older Q5s reinforces people's belief in their long-term viability.
5. Audi Q7 (2015–present) – Big SUV, Surprisingly Dependable
Proven track record
Audi's Q7 is a large, complicated SUV, but the second generation has shown to be reliably constructed with an excellent rating. A study conducted by What Car? found that, from 2020 through 2023, the Audi Q7 will always be among the best-SUVs available in the luxury-SUV market with a reliability score between 94 to 97%. Another study shows that the 2015 Q7 was rated the highest in overall reliability among all luxury SUVs, making it difficult to understand how a vehicle with seven-passenger capacity, and loaded with technology, would be rated so highly.
Engineering and reliability
Audi upgraded many components from other Audi vehicles when creating their model, Q7. One of the best choices for performance is the Engine 3.0 L V6 TDI, which has a long record of reliability across several Audi and VW vehicles. You'll need to take your Q7 to an authorised Audi dealer for all of your servicing and software updates to keep it running well.
UK used market info
If you are interested in the Q7 and have the budget for it, the facelifted models from 2019 and onwards are the most advisable option. But older models like the 2016 variant are also great options. Generally, UK used Q7s are priced around £15k-wholesale on older high-mileage models, £25k-retail for mid-specs after 5 years. Double-check the VIN and MOT history, as a lot of Q7's are ex-company or lease vehicles, and therefore it's easy to confirm miles and accident repair history.
Practicality and appeal
British drivers have found the Q7 to be "one of the most reliable Audi cars on offer", garnering plenty of positive reviews. Common concerns like air suspension or electronics have proven durable, with few widespread issues reported. That said, maintenance costs are higher due to the vehicle's size, so while it is considered reliable, it can still be expensive to maintain.
Tips for Buying a Reliable Used Audi in the UK
Hopefully you know have a better idea of which model to look for in your search. But what to do once you find a potential car? In this section, we provide practical advice to ensure the chosen Audi remains reliable and overall is a good buy.
Use an Audi VIN decoder to verify history
Before buying, perform a thorough vehicle history check. An online tool like carVertical's Audi VIN decoder can uncover a wide range of hidden problems. In fact, the popular service carVertical offers an Audi vin decoder free for use by anyone whether owner or potential buyer, with even more details available for serious people, including information regarding previous accidents, mileage rollbacks, or outstanding finance. Combined with the MOT check, these two verification methods can greatly increase your chance of a great bargain or solid buy.
Always review the service history
As we've mentioned several times already, one of the best things you can look for when buying used Audi models of the last decade, is to go for a car with a full Audi service history. And since there are plenty of models on the market, you can even completely avoid looking at cars without a detailed service history. Also look for evidence of oil changes, timing belt/chain replacements at the recommended intervals, and long-life fluids changed on time.
Check MOT records
In the UK, MOT history is easily accessible online via the GOV.uk checker. Be sure to check any potential purchase online, specifically looking out for any recurring advisories or failures, as that could hint at neglect. On the other hand, a string of clean MOTs suggests the car was cared for.
Mind the number of owners
A car that's changed hands many times in a short period could be troublesome. While multiple owners aren't inherently bad, most people in the UK consider more than 3-4 owners for a 10 year old car to be less than optimal. A one-owner Audi or a well-kept ex-lease car from a company fleet is often a safer bet than a car that's been passed around. In fact, consistently reliable models like the A3 or A4 often have long-term owners.
Look for common issues
Be sure to take into account known weak points when doing your test drive/inspection. An example would be to listen for any rattle noise of the timing chain when you first start it up cold, or check for smooth shifting in S-tronic-equipped Audi cars. All of the Audi vehicles listed are great choices overall, however, doing a quick inspection can prevent you from having to deal with difficult repairs later on down the line!
Budget for maintenance and warranties
Even the most reliable Audis will have some wear-and-tear issues caused by normal use, plus they’re also subjected to accidental damage and abuse too. Therefore, we strongly advise having an additional monetary amount set aside specifically for regular maintenance after you purchase your Audi and for anything else related to long-term operations; such as a major service or replacing worn parts.
Conclusion – Enjoying a Reliable Used Audi
UK buyers looking to get a luxury car with great performance, but also acquire a truly reliable and dependant car will almost certainly find our mentioned range of Audi models great options. The models on our list have stood out over the last decade for their build quality, each offering something unique for different needs.
As long as buyers perform the vital MOT and VIN checks before buying, while also ensuring a test drive and proper research, a used Audi from 2015 or onwards can last a long time and be a great car for the entire family. The cars will be suited on almost all of the road types in Britain, with some models even offering off-road capabilities as well.
All in all, owning a reliable used Audi provides a quality car that offers reliability and comfort, while also providing the prestige and performance that Audi brand is known for, without the new-car price tag or worry. It's a smart way to upgrade your drive. With the right choice, you'll have a trusty Audi companion for many years of motoring ahead – luxury, style, and reliability all in one.
