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Subaru · Compact SUV · 2019–2024 Custom Search

Subaru Forester SK

Weaknesses, engine ratings and buying advice

1.0 / 5.0 · Based on 1 engine variants · How we rate

The SK (2019-2024) is the most modern Forester: a tidy cockpit, lots of safety tech, sold in Europe almost exclusively as the e-Boxer mild hybrid. As a comfortable, safe AWD SUV with good space it suits anyone wanting Subaru engineering with up-to-date assistance — provided you know and budget for the typical electronics and cooling-system niggles. The off-road genes are still there (full-time AWD, plenty of clearance, X-Mode), just wrapped in a quieter, more comfortable body.

Engines: the naturally aspirated FB25 (2.5) is more solid than in the SJ, with oil consumption much reduced. In the EU the e-Boxer mild hybrid (2.0, 150 hp system output) dominates — thriftier than the old NA units but no sprinter; the small electric system only assists, almost nothing runs purely electric and only at walking pace. THE main issue of this generation is the thermo control valve (TCV) — the electronic plastic coolant valve fails internally, throws code P0126, and at worst drags the whole EyeSight system into limp mode. Subaru extended the warranty to 15 years/240,000 km and from 2025 reverted to a mechanical thermostat — a quiet admission. The fix with the updated part (Subaru p/n 21319AA040) should go through goodwill.

Test-drive red flags: check EyeSight stationary and on the move (camera calibration, phantom braking, lane-keep and cruise dropouts) — outages often trace back to the TCV, watch the coolant temperature in the display. Inspect the windshield closely again (same spontaneous-crack issue as the SJ, US class action). Also: clear the Denso fuel-pump recall (pump can fail, stranding the car) and the PCV-valve recall, plus on the 2024 model year the driveshaft recall. The Starlink infotainment occasionally freezes (a software reset helps). Have the service history and open recalls checked by VIN at a dealer.

Market price 2026 (Germany): early e-Boxer from 18,000-24,000 EUR, well-kept later examples 25,000-32,000 EUR, top-condition 2023/2024 cars also 33,000-38,000 EUR. Insider pick: an e-Boxer from 2021/2022 with a verifiably completed TCV replacement (new valve fitted) and clean EyeSight function — that clears this generation's main headache up front and leaves you with a modern, all-weather SUV with plenty of life left.

Generations


Engine Overview

The Subaru Forester SK is available with one engine variant at 167 hp.

2.5L NA · Petrol· 182 PS
2019 2024

The 2.5-litre NA petrol boxer with a timing chain uses port or direct injection depending on the year. At 125–134 kW it gives enough torque for the mid-size models and is fundamentally solid. The early 2011–2014 builds are affected by the known oil-consumption issue (piston rings, settled by a US class action). Across the years a cam-carrier oil leak appears, whose repair needs the engine out and can run into four figures. The direct-injection units from 2019 tend to coke the valves and have a fragile electronic thermo-control valve whose cracking plastic housing can cause overheating — here too the maker extended the warranty significantly. Otherwise a reliable daily engine with no timing-belt service.

+ 1 more engine weaknesses + vehicle weaknesses

Vehicle Weaknesses

WeaknessCost
Windshield Cracks Too Easily

Same issue as Impreza GK: class action over windshields cracking too easily. EyeSight recalibration after replacement is expensive.

Symptoms: Chips spread unusually fast
from 30,000 km
Medium
NHTSA Owner Complaints
Below average
1,795 complaints · 2019–2024
  1. 01 Wipers & Visibility
    734
  2. 02 Other
    326 ⚠ 14
  3. 03 Electrical
    272 ⚠ 9
  4. 04 Engine
    219 ⚠ 15
  5. 05 Collision Avoidance
    125 ⚠ 8

Top Reported Issues

Wipers & Visibility (734 complaints)
Other (326 complaints)
Electrical (272 complaints)
Source: NHTSA (nhtsa.gov) · 2026-03

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Known Problems and Issues +

A total of 14 weaknesses have been documented for the Subaru Forester SK (2019–2024) — 4 engine-related and 10 vehicle-related. One problem engine: FB25 (2.5L NA). Typical issues affect Body, Electronics, Cooling, Other.

Forester (FB25, 2019–2024) — Stay Away!: Thermo Control Valve Failure (2019-2022), Oil Consumption — Piston Rings (2011-2014), Cam Carrier Seal Leak. Power: 182 PS.

What to watch out for with the Subaru Forester? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the Subaru Forester SK have? +
The Subaru Forester SK has 4 known engine weaknesses and 10 vehicle weaknesses.
What should I look for when buying a used Subaru Forester SK? +
faq.watch_a_avoid
Which engine is recommended? +
None of the available engines are rated 'Good Choice'. Stay away! The most fun to drive is the FB25 (2.5L NA). Problem engine: FB25 (2.5L NA) — stay away!
Which Subaru Forester SK engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Subaru Forester SK — rated: "Decent". {description} The Forester does its job: reliable AWD for snow and dirt roads, enough space for the family, boxer-typical lower center of gravity than the competition. Driving fun is not on the menu — comfort and safety are the arguments.
Is the Subaru Forester SK worth buying used? +
Caution is advised with the Subaru Forester SK — 1 of 1 engine variants are rated 'Stay Away!'. The engine choice is crucial.
What horsepower variants are available for the Subaru Forester SK? +
The Subaru Forester SK is available with engine variants from 167 to 175 hp. Petrol: FB25 (2.5L NA).

Last updated: February 2026 · All information without guarantee