Model year guide

2018 Subaru wrx sti

Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2018 Subaru wrx sti is worth — from official NHTSA and EPA data. 7 on record.

2018 Subaru wrx sti — representative photo
Representative photo · via Wikimedia Commons

2018 Subaru wrx sti at a glance

Safety recallsNone
Owner complaints2
Combined18 mpg

Included: that car's specs and build sheet, model-year recall campaigns and a fair price.

2018 Subaru wrx sti recalls 0

No NHTSA safety-recall campaigns are on record for the 2018 Subaru wrx sti.

Source: U.S. NHTSA, checked 4 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.

2018 Subaru wrx sti common problems

The most-reported problem areas across all 2 owner complaints filed with NHTSA — and what to check before you buy.

Air Bags
Confirm the airbag light turns on then off at startup — if it stays lit there's a fault (costly, and a safety risk). Check for signs of prior deployment.
Exterior Lighting
Confirm all headlights, brake lights, turn signals and reverse lights work, with no moisture inside the housings.

2018 Subaru wrx sti MPG & running costs

Combined18 mpg
City16 mpg
Highway22 mpg
Est. annual fuel cost$4,550
EPA size classCompact Cars
TransmissionManual 6-spd
Forced inductionTurbocharged
Passenger volume97 cu ft
Cargo volume12 cu ft
5-yr fuel cost vs average new car$10,750 more

Source: U.S. EPA / DOE fueleconomy.gov.

Estimated 5-year cost to own

A rough guide to what running a 2018 Subaru wrx sti costs over five years and 75,000 miles.

Fuel (5 yrs)$22,750
Fuel only$22,750
Per mile$0.30

How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.

Dimensions & weight

Length
180.7 in
Width
70.1 in
Height
57.9 in
Wheelbase
104.3 in
Curb weight
3,369 lb
Front track
60.2 in
Rear track
60.6 in

Manufacturer-reported figures for the 2018 Subaru wrx sti. Source: Transport Canada vehicle specifications via NHTSA.

Investigations & service bulletins

Manufacturer service bulletins 199

Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered. Showing the 10 most recent of 199.

This announcement provides information on a new software update for the Midtronics Dss and DCA machines.

Bulletin SubaruNet Announcement (M · Electrical System · Oct 2026

This bulletin provides paint code information for 2027 model year vehicles.

Bulletin 13-109-26 · Sep 2026

This announcement provides an update to all 2027 model year Subaru warranty coverages for wear items and adjustments.

Bulletin SubaruNet Announcement (C · Sep 2026

This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. This is an revised version of the original bulletin.

Bulletin 15-333-25R · Electrical System · Sep 2026

This bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns. This is an revised version of the original bulletin.

Bulletin 15-304-22R · Electrical System · Sep 2026

This Service Information Bulletin outlines a systematic procedure for diagnosing parasitic draw (dark/standby current) in vehicles experiencing battery drain when the ignition is off, leading to no-start conditions or frequent jump-starts.This is an revised ve…

Bulletin 15-308-23R · Electrical System · Aug 2026

This Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns. (This is an revised version of the original bulletin.)

Bulletin 15-304-22R · Electrical System · Aug 2026

Techtips newsletter locator index.

Bulletin Article Locator · Electrical System · Aug 2026

This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. This is an revised version of the original bulletin

Bulletin 15-333-25R · Electrical System · Aug 2026

This announcement is requesting retailer staff to retain the EyeSight protective hood covers from Generation 4 EyeSight cameras.

Bulletin SubaruNet Annoucement (E · Jun 2026

Source: NHTSA Office of Defects Investigation, listed for the WRX STI. Model-year data, not specific to one car.

2018 Subaru wrx sti trims & engines on record

Trims
STI base+L, STI base+W · STI high+W+KA+RE+BSD+NAVI(H/K)+M/R · STI mid+W+KA+RE
Engines
2.5L 4-cyl 305 hp

2018 Subaru wrx sti vehicles on record

Other Subaru wrx sti model years

2018 Subaru wrx sti — frequently asked questions

Does the 2018 Subaru wrx sti have any safety recalls?

NHTSA lists no safety-recall campaigns for the 2018 Subaru wrx sti. Whether an individual car still needs a recall repair depends on its VIN — check it on NHTSA.gov or ask a franchised dealer. Recall repairs are done at no charge.

What are the most common problems with the 2018 Subaru wrx sti?

Across all 2 owner complaints filed with NHTSA, the most-reported problem areas are air bags, exterior lighting.

What gas mileage does the 2018 Subaru wrx sti get?

The 2018 Subaru wrx sti has a U.S. EPA estimate of 18 mpg combined (16 city / 22 highway).

Sources: NHTSA (recalls, complaints, crash tests), U.S. EPA (fuel economy). Vehicle data only — CarLogs never shows owner information.