If you are in the market for a used luxury car, you’re probably wondering which would offer the most reliability. The truth is that looking for a used luxury car in today’s market may be difficult, considering these cars are still on-brand even though they are old model vehicles. 

But, there are still some of them that you will find that are not only reliable but also affordable. Here are the three best on that list:

Meet the Best Reliable Used Luxury Cars To Buy

Are you looking for the best old-model luxury cars you can buy in 2023? The cars below fit the criteria, and although they are relatively old, they still measure up fine in 2023.

  1. 2008 Acura RL—Reliability Score: 8.9 out of 10
2008 Acura RL
2008 Acura RL

The Acura RL was the largest sedan the Acura brand offered in 2008. At the time, it provided plenty of high-end features like perforated leather seats, heated front seats, Bluetooth, and a Bose 10-speaker premium audio system. 

Under the hood was a 3.5-litre V6 mated to an automatic transmission that routed 290 horsepower to four wheels. It may not be considered super luxurious by today’s standards, but the RL is very reliable. There are plenty of examples of this car roaming the streets with over 200,000 miles on the odometers. U.S. News gave it an 8.9 out of 10 reliability rating.

  1. 2010 Audi A6 — Reliability Score: 9.1 out of 10
2010 Audi A6
2010 Audi A6

If you like to mix your luxurious experience with a dose of performance and good handling, the 2010 Audi A6 is a great choice. The A6 features a 3.2-litre V6 engine with 265 horsepower, a Quattro all-wheel drive system, and excellent handling characteristics. On the inside, the A6 came with plenty of premium materials, comfort, and power seats.

U.S. News notes that the A6 is reliable, although there were three different recalls on the 2010 model concerning the airbags as it was part of the Massive Takata airbag recall. If you’re shopping for one of these, ensure the recall work is done.

  1. 2008 Mercedes-Benz S-Class—Reliability Score: 9.2 out of 10
2008 Mercedes-Benz S-Class
2008 Mercedes-Benz S-Class

The Mercedes-Benz S-Class is the brand’s flagship model. Although the 2008 model is 15 years old, U.S. News notes that its fit and finish will rival many new sedans. In addition to its impeccable interior materials, the S-Class features a great blend of on-road driving comfort and surprising athleticism.

There’s also plenty of cabin and trunk room to make all five occupants feel at ease–no matter how long of a road trip they take. Although the S-Class received a high-reliability ranking, this model year only had two recalls. One was for windshield-wiper malfunction, while the other pertained to the electrical fuel pump not shutting off after a crash.


These are some of the most reliable used luxury cars that are still functional and strong to date. So, if you consider buying any of them, you’ll also get them at a relatively lower price than newer models.

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