Hyundai Tucson & Santa Fe Reliability by Year (2010 to 2026): Problems, Years to Avoid & Repair Costs

Most serious Hyundai Tucson and Santa Fe problems trace back to one engine: the 2.0L turbocharged Theta II, which can fail when metal debris wears out the engine bearings. The years to avoid are the 2016 to 2019 Tucson and the 2016 to 2020 Santa Fe with the 2.0L turbo, where an engine replacement costs $6,000 to $10,000+. The 2023 to 2026 models use newer 2.5L and 1.6L turbo engines and show only minor issues so far.

Below you will find the problems for each generation, typical repair costs, how to check recalls by VIN, and when an extended warranty makes sense. For the brand-wide picture, see are Hyundai and Kia reliable.

Hyundai Tucson and Santa Fe Years to Avoid (and Best Years to Buy)

Use this short list first, then read the generation sections below for the details.

Years to Avoid

• 2016 to 2019 Tucson with the 2.0L turbo: the highest risk of Theta II engine failure.
• 2016 to 2020 Santa Fe with the 2.0L turbo: the same engine risk, plus timing chain wear reported as early as 30,000 miles.
• Any 2016 to 2021 Tucson or Santa Fe with a Theta II engine and no proof of recall work: get the recall status in writing or walk away.

Best Years to Buy

• 2023 to 2026 Tucson or Santa Fe: newer engines, only minor issues reported so far, and factory powertrain coverage still running on most.
• 2010 to 2012 Tucson: simple and cheaper to fix, but check for transmission shudder and timing chain rattle.
• Pre-2016 Santa Fe without the 2.0L turbo: avoids the main engine risk; check the transmission and service history.

Want a compact SUV with fewer engine worries? Compare Honda CR-V problems by year or our list of the most reliable SUVs of 2026.

The Theta II Engine Problem: What It Means for Tucson and Santa Fe Owners

The Theta II is a 2.0L turbocharged (T-GDi) four-cylinder used in many Tucsons and Santa Fes. Metal debris left in the engine can wear the bearings. Once that starts, the engine can knock, lose power or seize, sometimes while you are driving.

Hyundai has recalled millions of vehicles with Theta II engines, and many owners got engine repairs or replacements under recall. But recall coverage depends on the specific VIN, and owners whose engine failed outside a recall paid out of pocket.

When a Theta II fails outside recall coverage, you are not looking at a $2,000 repair. Expect a complete engine replacement at $6,000 to $10,000+. Kia used the same engine family, so the same checks apply to the models in our Kia Sorento and Sportage problems guide.

2010 to 2015 Hyundai Tucson (Second Generation): Transmission and Timing Chain Issues

The 2010-2015 Tucson generation sits in a complicated middle ground. Early models (2010-2012) largely avoided the Theta II engine, which is a small mercy. However, they introduced other demons: transmission issues and timing chain problems that would plague the brand for years.

Common 2010 to 2015 Tucson Problems

• Transmission shuddering and slipping (automatic models)
• Timing chain rattle, especially in cold starts
• Premature transmission failure between 80,000-120,000 miles
• Engine knocking and excessive oil consumption

The good news? These older models are simpler and often easier to work on. The bad news? Parts availability can be spotty, and finding a mechanic willing to work on an aging Hyundai can feel like hunting for a needle in a haystack.

Reliability Verdict: Second-gen Tucsons are hit-or-miss. You'll find some with 200,000+ miles and minimal problems, while others need major work before 100,000 miles. A rebuilt transmission alone runs about $2,300 to $6,000 installed (see transmission replacement cost), so ask for proof of any transmission work.

2016 to 2022 Hyundai Tucson (Third Generation): Theta II Engine Risk

This is where things get serious. The 2016-2022 Tucson generation is where the Theta II engine recall really took hold, particularly the 2.0L turbocharged models. If you're shopping for a used Tucson from this generation, the engine recall status is non-negotiable information.

High-Risk Years: 2016-2019 are the most problematic, especially 2016-2019 models with the 2.0L turbo engine.

Common 2016 to 2022 Tucson Problems

• Theta II engine seizure (THE big one)
• Metal debris in engine from manufacturing defects
• Transmission problems continuing from the previous generation
• Knocking and pre-ignition engine noise
• Spark plug failure
• Coolant system issues

What to Check Before Buying a 2016 to 2022 Tucson

If the Tucson has the 2.0L turbo, do all five before you sign:

• Check the VIN for open recalls (see the steps in "How to Check Hyundai Recalls by VIN" below).
• Book a pre-purchase inspection with a mechanic who knows Theta II engines. It usually costs $100 to $200.
• Ask for the full service history, with regular oil changes and any recall work.
• Start the engine cold and listen for knocking or rattling. Ask the mechanic to test for bearing wear.
• Get written confirmation that any open recall will be done by a Hyundai dealer.

Reliability Verdict: These vehicles carry real risk. While many owners haven't experienced engine failure, the sword of Damocles hangs over every turbo-equipped third-gen Tucson.

2016 to 2022 Hyundai Santa Fe: Theta II and Timing Chain Problems

The Santa Fe's third generation shares the same Theta II engine platform with the Tucson, so many of the same concerns apply, but the Santa Fe's larger body means the failure risk feels even more dangerous. You're handling a three-row SUV with no engine power; that's a safety concern, not just a financial one.

High-Risk Models: 2.0L turbo engines from 2016-2020

Santa Fe Timing Chain Problems

Santa Fes also introduced a persistent timing chain issue. Some owners have reported timing chain rattle as early as 30,000 miles. While timing chain replacement isn't as catastrophic as engine seizure, it's still a $3,000-5,000 repair that's barely worth doing on a vehicle that's not paid off.

Santa Fe Transmission Problems

The 6-speed and 8-speed automatics in this generation continue to exhibit hesitation, slipping, and premature wear, especially in vehicles with high mileage or aggressive driving history.

Reliability Verdict: Santa Fe owners face the same Theta II sword of Damocles as Tucson owners, but with the added weight of a larger vehicle and family hauling responsibilities.

2023 to 2026 Hyundai Tucson and Santa Fe: Newer Engines, Fewer Big Problems

Here's where Hyundai finally seems to have learned its lesson. The fourth-generation Tucson introduced in 2023 ditched many of the problematic Theta II engines in favor of more proven powerplants. The new 2.5L turbo and 1.6L turbo engines have shown much better reliability scores in early owner reports.

What Changed for 2023

• New powertrain options move away from the most problematic Theta II engines
• Improved transmission tuning and software updates
• Better engine block manufacturing processes
• More comprehensive warranty coverage (10 years/100,000 miles on engine)

Problems Owners Report So Far

• Infotainment system glitches (software, not mechanical)
• Minor paint quality issues
• Some owners report occasional transmission lag, though it's rare

Reliability Verdict: Fourth-gen Tucsons represent a genuine step forward. Early reliability data is encouraging, though long-term durability remains to be seen.

The 2023 to 2026 Santa Fe uses a 2.5L turbo and, like the Tucson, shows only minor issues so far: typical repairs of $500 to $2,000 and no major recalls.

Hyundai's 10-year/100,000-mile powertrain warranty covers the original owner. If you buy one of these models used, the powertrain warranty drops to 5 years/60,000 miles for the second owner, so check how much factory coverage is left before you decide on extra protection.

Hyundai Tucson and Santa Fe Repair Costs and Recall Status by Year

Here is what each model year typically needs and what it costs when the main problem hits outside warranty or recall coverage.

For comparison, a new transmission for a typical crossover costs about $3,800 to $8,000 installed, and a timing chain replacement runs $800 to $3,000+ on most cars, with the Santa Fe at $3,000 to $5,000.

Protect this repair. A CoverageX vehicle service contract can pay for covered engine and transmission repairs after the factory warranty ends. The Essential plan covers the engine, transmission and drivetrain, including seals, gaskets and turbocharger components where applicable. Signature adds electrical systems, air conditioning and suspension. Problems that exist before you buy are not covered, so coverage works best while the SUV is still healthy. Get a quote or call 1-800-258-3413.

How to Check Hyundai Recalls by VIN

This is critical. Don't skip this step:

1. Visit NHTSA.gov and enter your VIN in the recall lookup tool
2. Check Hyundai's Official Recall Site directly at their customer care portal
3. Contact your dealer with your VIN and ask specifically about Theta II engine recalls
4. Request documentation of any recalls already completed
5. Get it in writing if a dealer claims your vehicle isn't affected

Many owners discovered their vehicles had open recalls only after contacting dealers directly. The system isn't always as transparent as it should be.

Is an Extended Warranty Worth It for a Tucson or Santa Fe?

It depends on the model year, the engine and how much factory coverage is left. If you are new to these contracts, start with our extended warranty basics.

• Often worth it: a 2016 to 2021 Tucson or Santa Fe with the 2.0L turbo that is past factory coverage, or any Tucson or Santa Fe you plan to keep well past 100,000 miles. A single engine failure on these years can cost $6,000 to $10,000+.
• Usually not worth it: a 2023 to 2026 model still under Hyundai's powertrain warranty, a car you plan to sell within a year or two, or an older Tucson worth less than one major repair. See when not to buy an extended warranty.

If you do buy one, read what it excludes. Pre-existing problems, routine maintenance and cosmetic damage are not covered, and you need to keep your service records. CoverageX deductibles are charged per visit, with options from $0 to $200 (how deductibles work). Compare what each level covers in our extended car warranty coverage guide, and for older SUVs see extended warranty for high-mileage cars.

Bottom Line: Should You Buy a Used Tucson or Santa Fe?

Yes, if you pick the right year and check the engine. A 2023 to 2026 Tucson or Santa Fe is the safest choice. A 2016 to 2021 model with the 2.0L turbo can still be a fair buy if the recall work is done and documented, a pre-purchase inspection comes back clean and the price reflects the risk.

One owner's 2017 Tucson needed a $9,000 engine replacement three months after purchase. Get every recall and repair promise in writing before you sign.

Already own a Tucson or Santa Fe that is out of factory coverage? Get a free CoverageX quote in about two minutes, or call 1-800-258-3413 to compare plans.

Hyundai Tucson and Santa Fe: Frequently Asked Questions

Which Hyundai Tucson years have the most engine problems?

The 2016 to 2019 Tucson with the 2.0L turbo Theta II engine has the most engine problems. Metal debris can wear the engine bearings and lead to knocking or seizure. Any 2016 to 2021 Tucson with this engine needs a recall check by VIN. Older 2010 to 2015 models have different weak spots: transmission shudder, timing chain rattle and oil consumption.

What are the Hyundai Santa Fe years to avoid?

Avoid the 2016 to 2020 Santa Fe with the 2.0L turbo unless the recall work is documented. These years carry the Theta II engine risk, and some owners report timing chain rattle as early as 30,000 miles. The 2023 to 2026 Santa Fe is the safer pick.

Is the Hyundai Santa Fe reliable?

The newer Santa Fe is reliable so far, but older turbo models are a gamble. The 2023 to 2026 Santa Fe with the 2.5L turbo shows only minor issues, with typical repairs of $500 to $2,000. The 2016 to 2021 models with the 2.0L turbo Theta II engine can need an engine replacement costing $7,500 to $11,000+.

What is the Theta II engine problem?

The Theta II problem is premature engine failure caused by metal debris left in the engine during manufacturing. The debris wears the bearings, which can lead to knocking, loss of power and engine seizure. Hyundai recalled millions of vehicles with this engine, but coverage depends on the VIN. See engine replacement cost for what a failure costs out of pocket.

How do I check if my Tucson or Santa Fe has an open recall?

Enter your VIN on NHTSA.gov and on Hyundai's official recall site. Then call a Hyundai dealer with the VIN, ask for records of any recall work already done, and get any "not affected" answer in writing.

Are Hyundai Santa Fe repairs expensive after 100,000 miles?

They can be, because the costly parts tend to fail around that mileage. On older Santa Fes, an engine replacement runs $7,500 to $11,000+, a timing chain $3,000 to $5,000 and a new transmission about $3,800 to $8,000 installed. Hyundai's powertrain warranty also ends at 100,000 miles for the original owner, so these bills are usually yours.

Does Hyundai's 10-year/100,000-mile warranty transfer to a used buyer?

Only in part. The 10-year/100,000-mile powertrain warranty is for the original owner. A second owner gets reduced powertrain coverage of 5 years/60,000 miles. Read more in our powertrain warranty guide.

Is an extended warranty worth it for a used Tucson or Santa Fe?

It is worth considering for a 2016 to 2021 model with the 2.0L turbo that is past factory coverage, because one engine failure can cost $6,000 to $10,000+. It is usually not worth it for a 2023 to 2026 model still under factory warranty or a car you will sell soon. Pre-existing problems are never covered, so buy while the SUV is healthy. Compare CoverageX auto protection plans.

What should I look for on a used Tucson test drive?

Start the engine cold and listen for knocking, ticking or a rattle that fades as it warms up. On the drive, watch for transmission shudder, slipping or hesitation, and check the infotainment screen for glitches. Then ask for the service history and a pre-purchase inspection.