MitsubishiMirage G42020Overview/mitsubishi/mirage-g4/2020/base/

2020 Mitsubishi Mirage G4

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2020 Mirage G4.

Transmission Automatic (variable gear ratios)

The 2020 Mitsubishi Mirage G4 is a subcompact sedan that achieves an EPA-estimated 37 mpg combined, thanks to its automatic transmission with variable gear ratios. With only four total owner complaints—the most common concerning seat belts—and zero recalls, this model year sits well below the 2017 peak of 28 complaints in the model’s 2017–2024 history, indicating a notably trouble-free ownership experience for researchers examining long-term reliability.

Model year202420232022202120202019

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Lug nut torque65-79 ft-lbsOEM · verified
EPA fuel economy35/41/37 mpgEPA · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses OE oil filter MZ690072. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

Tail / brake / turnTURNOEM · verified
Tire size4WD:P225-75R15OEM · verified
Wheel / rim6-JJ inOEM · verified

OE service part numbers OEM · verified

Engine oil filterMZ690072
Engine air filter1500A617
Fuel filter1770A454
Spark plug1822A152
Front wiper blades28890W020P alt MR339993
Serpentine belt11720W020P alt 1340A146
Thermostat1305A280
Cabin air filter7850A002

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic (variable gear ratios)

Dimensions & weight NHTSA vPIC

Overall length169.7 in
Overall width65.7 in
Overall height59.4 in
Wheelbase100.4 in
Curb weight2150 lb
Track (front / rear)57.1 / 56.3 in
Weight distribution (front / rear)58/42

Ratings & economy EPA / vPIC

EPA city / highway / combined35 / 41 / 37 mpg
DrivetrainFront-Wheel Drive
Passenger volume89 cu ft
Cargo volume12 cu ft
Recommended fuelRegular Gasoline

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

Torque lug nuts to 65-79 ft-lbs.

Engine torques

Camshaft Bearing/Carrier Cap Bolts or Studs97.0 inch lbs. ft-lbs
Engine Flywheel Bolts74.0 ft-lbs

Chassis torques

Lug Nuts65-79 ft-lbs

Battery & A/C

RefrigerantR134a
Refrigerant Capacity0.55-0.64 lbs
Oil GroupPAG
Oil Type100
Oil Capacity2.00-3.00 oz

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 1 stages
111.0 ft. lbs., Step 2: 90-94°11 ft. lbs
Main Bearings — tightening sequence 1 stages
126.0 ft. lbs., Step 2: 60-64°26 ft. lbs

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 7,500 mi; spark plugs at 105,000 mi; coolant at 120,000 mi. The big-interval services (at 120,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.

Every 7,500 miEngine Oil (drain & refill) · Engine Oil Filter (replace) · Tire & Wheel Assembly (rotate)
Every 15,000 miBrake Line (inspect) · Brake Linings (inspect) · Brake Rotor (inspect) · CV Joint Boot (inspect) · Cabin Air Filter (replace)
Every 30,000 miAccessory Drive Belt (inspect) · Brake Drum Assembly (inspect) · Brake Wheel Cylinder (inspect) · Engine Air Filter Element (replace) · Engine Coolant System Hoses (inspect) · Exhaust System (Complete) (inspect)
Every 45,000 miBrake Hydraulic System (drain, refill & bleed)
Every 60,000 miEngine Valves (inspect valve lash) · Fuel Evaporative Emission Control System (inspect) · Fuel System (inspect)
At 105,000 miSpark Plugs (replace)
At 120,000 miEngine Coolant System (drain, flush & refill)

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

The federal record for this generation traces a clear downward arc from 2017—when Mitsubishi logged 28 complaints, 3 recalls, and 105 TSBs—to progressively quieter subsequent years. By 2020, complaints had fallen to just 4, with zero recalls and zero investigations, while TSBs stabilized at 50 after declining sharply from the 2017 peak. Relative to the years immediately before and after, 2020 represents a midpoint in the generation’s maturation: field reports had already dropped dramatically from the early highs, though 2021 would bring an even lower complaint tally of just 2. The four complaints are distributed across disparate areas—seat belts, electrical system, engine, and an unspecified or other engine category—with one report each, and the data does not specify a shared root cause; notably, there were zero fire complaints and one crash complaint. Given its position on the downslope of a steady reliability trend, absence of recalls, and minimal complaint volume, the 2020 Mirage G4 is a sound year to buy used.

0
Open recalls
NHTSA campaigns
50
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
4
Owner complaints
1 involved a crash · 0 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Overall★★★★★
Frontal★★★★
Side★★★★★
Rollover★★★★
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 4 complaints on record, top 4 components.

Seat Belts1
Unknown Or Other,Engine1
Engine1
Electrical System1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

No recall campaigns on record with NHTSA for this vehicle as of the last data refresh.

Technical service bulletins NHTSA · verified

Showing 5 of 50 bulletins on record with NHTSA.

BulletinDateComponentSummary
TECH TALK 2902026-02-12Electrical SystemTech Talk is a service newsletter that was sent out to dealers. It covers various topics…
TECH TALK 2872025-07-24StructureTech Talk is a service newsletter that was sent out to dealers. It covers various topics…
TSB-24-37-0032024-10-21SteeringService Manual Revision -This Technical Service Bulletin provides steering lock bolt…
TECH TALK 2792024-03-29Engine And Engine CoolingTech Talk is a service newsletter that was sent out to dealers. It covers various topics…
TIN21-37-001REV32024-01-29SteeringThis Revised Technical Information Notice provides dealers with the requirements needed…

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific Mirage G4. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

Does the 2020 Mirage G4 have open recalls?

NHTSA lists 0 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the Mirage G4 get?

EPA figures are 35 city / 41 highway / 37 combined mpg.