2008 Toyota Highlander Engine Problems

Source: NHTSA · Updated Sep 21, 2026 · 58 complaints analyzed

Owners have filed 58 complaints with NHTSA about engine problems on the 2008 Toyota Highlander, 14% of all complaints for this model year. Half of the reports with a mileage happened before 112,500 miles. The words owners use most often: “oil cooler” (41% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Oil cooler: mentioned in 24 of 58 complaints (41%)
  • Rubber hose: mentioned in 5 of 58 complaints (9%)
  • Engine damage: mentioned in 5 of 58 complaints (9%)

How much does it cost to fix?

Owners who wrote down what they paid or were quoted put the typical engine repair on the 2008 Toyota Highlander at $8,750, and half of them between $2,800 and $9,100.

Based on 5 NHTSA complaints about this problem alone that state a repair bill or quote (2013–2019), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.

At what mileage do engine problems happen?

Based on 52 complaints that reported the odometer reading.

Under 10k miles0 · 0%
10k–25k miles0 · 0%
25k–50k miles2 · 4%
50k–75k miles4 · 8%
75k–100k miles12 · 23%
100k–150k miles29 · 56%
150k+ miles5 · 10%

How serious are the reports?

Of 58 complaints, 1 mention a crash, 6 a fire, 1 an injury.

Toyota Highlander engine complaints by model year

Peak: 2019, with 69 complaints
2001: 220012002: 72003: 4120032004: 162005: 620052006: 192007: 720072008: 582009: 2320092010: 122011: 1720112012: 172013: 3220132014: 32015: 1020152016: 92017: 4720172018: 332019: 692019692020: 172021: 4720212022: 102023: 2820232024: 52026: 12026

n = 536 complaints · Source: NHTSA

Model yearEngine complaintsShare of that yearMedian miles
2026 Highlander125%—
2024 Highlander512%—
2023 Highlander2815%30,500
2022 Highlander104%17,781
2021 Highlander479%39,050
2020 Highlander175%8,000
2019 Highlander6914%13,000
2018 Highlander3312%14,800
2017 Highlander4717%20,400
2016 Highlander98%46,000
2015 Highlander105%66,670
2014 Highlander32%57,374
2013 Highlander3215%6,300
2012 Highlander179%31,900
2011 Highlander179%123,350
2010 Highlander126%90,403
2009 Highlander2317%82,518
2008 Highlander5814%112,500
2007 Highlander76%100,000
2006 Highlander197%102,000
2005 Highlander63%81,000
2004 Highlander166%113,000
2003 Highlander4116%115,000
2002 Highlander72%140,000
2001 Highlander21%161,349

When owners reported it

Peak: 2020, with 12 complaints
2013: 102013102014: 102014102015: 9201592017: 6201762018: 1201812019: 6201962020: 122020122021: 2202122024: 1202412026: 120261

n = 58 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists engine for the 2008 Toyota Highlander. A pattern of complaints does not always lead to a recall.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

The contact owned a 2008 Toyota Highlander. The contact stated that while driving at approximately 20 MPH, an abnormal, booming sound was emitted from the vehicle as heavy, black smoke entered her vehicle. Due to the smoke, the contact's vision became obstructed, and the contact immediately shifted…

Received Mar 6, 2026 · NHTSA complaint 11722415

The engine burns Coolant and yet doesn't overheat. The engine on cyl 4 misfires. Changing the head gasket didn't repair the issue, replacing all fuel Injectors and ignition parts didn't either. Heads inspected and passed. Compression testing passed. Always misfires on cyl 4. No repair aside from an…

Received Mar 14, 2024 · NHTSA complaint 11577485

On January 19, 2021, after driving for about two hours, I suddenly started to hear an unusual knocking noise from the engine. I slowed down, but I was unable to pull over immediately because I was driving on a very dark two lane highway, with no safe shoulder. After the same noise continued for…

Received Nov 12, 2021 · NHTSA complaint 11440269
Toyota Highlander
A 2020 Toyota Highlander XLE AWD photographed in Wantagh, New York, USA. Representative photo; appearance varies by model year. Photo: Kevauto, CC BY-SA 4.0, via Wikimedia Commons.

Frequently asked questions

Do all 2008 Toyota Highlanders have engine problems?

No. NHTSA has 58 owner complaints about engine for the 2008 Toyota Highlander (14% of the 404 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the 2008 Toyota Highlander engine?

No recall currently lists engine for this vehicle.

At what mileage do engine problems start?

The median reported mileage is 112,500 miles: half of the reports with a mileage came before that.

How much does it cost to fix engine problems on the 2008 Toyota Highlander?

Owners report a typical cost of $8,750 (half paid between $2,800 and $9,100), from 5 complaints that state a repair bill or quote, in 2026 dollars.

What do owners say about engine problems on the 2008 Toyota Highlander?

The most frequent phrase is “oil cooler”, in 24 of 58 complaints, followed by “rubber hose” (5).

Other 2008 Toyota Highlander problems

See all 2008 Toyota Highlander problems or engine problems across all Highlander years.