It’s a common observation that used-car brand reliability assessments often diverge from reliability predictions for new cars. When evaluating new cars, analyses are typically based on the most recent three years of reliability data, coupled with a brand’s historical performance and factors like the carryover of proven components across different models.
However, when we delve into used models, the vehicles under scrutiny frequently belong to earlier generations. This means they may not resemble the current new models visually or share identical components. Furthermore, the portfolios of car brands can undergo substantial transformations over time, particularly in the last decade, where numerous manufacturers have shifted away from sedans and hatchbacks in favor of SUVs and trucks. Ford’s current lineup, featuring just the Mustang car, perfectly illustrates this industry trend in car brands.
Interestingly, certain car brands like BMW exhibit contrasting positions in new versus used reliability rankings. Improved reliability ratings in newer models suggest that older, used BMWs might rank lower in reliability. Conversely, BMW’s predicted reliability for new cars is strong, securing eighth place in recent rankings. The opposite trend can also occur. Volvo, for example, achieved seventh place for reliability among used models aged 5 to 10 years. Yet, in new-car brand reliability rankings, Volvo was positioned at 15th.
Tesla’s overall reliability is on an upward trajectory, evidenced by its similar rankings for both new (17th) and used (15th) car brand reliability. This marks a significant improvement, considering Tesla’s 24th position in prior used-car reliability assessments, indicating ongoing enhancements in manufacturing and engineering within this car brand. Nevertheless, its current standing reveals that there is still potential for further gains in reliability for this brand.
Conversely, some car brands demonstrate consistent rankings across both new and used cars. Mirroring their used-car ratings, Lexus and Toyota consistently occupy the top two spots among new cars, underscoring their reputation as reliable car brands. Jeep, on the other hand, tends to hold a lower position in both used and new car rankings. However, the noticeable variations exhibited by certain brands between these lists highlight the critical need to examine the most current data at the model level. This ensures that individuals make well-informed decisions when considering different car brands and models in the used car market.
Reliability is quantified by comparing a vehicle’s reported problems to the average number of problems for cars within the same model year. For newer vehicles, reliability distinctions tend to be less pronounced because the average problem rate for recent model years, like 2025, is inherently low. However, as vehicles age, issues can emerge, leading to more significant variations in reliability among vehicles from the same model year.
According to Elek, “Taking this extended perspective, evaluating reliability over a five to ten-year period, provides a clearer understanding of what used-car buyers can anticipate from different car brands.” This long-term view is invaluable for consumers navigating the used car market and seeking reliable car brands.
