MazdaMAZDA62020Overview/mazda/mazda6/2020/base/

2020 Mazda MAZDA6

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2020 MAZDA6.

Transmission Automatic (S6)

The 2020 Mazda MAZDA6 utilizes an Automatic (S6) transmission to deliver EPA estimated fuel economy of 26/35/29 mpg, establishing its mechanical profile within the 2002-2021 model complaint history. This specific model year records the lowest total owner complaints at just 2, standing in stark contrast to the highest recorded year of 2009 which logged 386 issues. Although the top complaint areas are listed as Service Brakes and Engine, the vehicle carries zero recalls. This combination places the 2020 model at the lowest volume of reported issues in the covered period, distinguishing it as the model year with the fewest reported problems in the vehicle's history.

Model year202020192018201720162015201420132012

Quick specs

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

Lug nut torque80-108 ft-lbsOEM · verified
EPA fuel economy26/35/29 mpgEPA · verified

Fitment & sizes

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

From the factory this vehicle uses a BCI 35 · 520 CCA battery, OE oil filter 1WPY14302. 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.

Battery groupBCI 35 · 520 CCAOEM · verified
Tail / brake / turnFUSEOEM · verified
Tire sizeP225/55R17, P225/45R19OEM · verified
Wheel / rim7.5 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter1WPY14302 alt 1WPE14302
Engine air filterPY8W133A0 alt PE07133A0A
Spark plugPE5R18110A alt PY8V18110
Battery0000800035WB
Front wiper bladesGBEF67330 alt GBFN67330
Serpentine beltP30115908 alt PY0115908
ThermostatP50215171 alt PYFD1516ZA

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic (S6)

Dimensions & weight NHTSA vPIC

Overall length192.5 in
Overall width72.4 in
Overall height57.1 in
Wheelbase111.4 in
Curb weight3250 lb
Track (front / rear)62.6 / 62.2 in
Weight distribution (front / rear)59/41

Ratings & economy EPA / vPIC

EPA city / highway / combined26 / 35 / 29 mpg
DrivetrainFront-Wheel Drive
Passenger volume100 cu ft
Cargo volume14 cu ft
Recommended fuelRegular Gasoline

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

Independent road tests for the MAZDA6 of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

6.1–8.2 sec0–60 mph (tested)quickest 6.10 sec — 2021 Carbon Edition Sedan
YearTrim / engine0–60¼ mileHPDrivetrain
2021Carbon Edition Sedan 2.5L Turbo I-46.10 sec14.70 sec250 hpFWD
2021Carbon Edition Sedan 2.5L Turbo I-46.20 sec14.70 sec250 hpFWD
2018Signature Sedan 2.5L Turbo I-46.40 sec14.90 sec250 hpFWD
2018Signature Sedan 2.5L Turbo I-46.40 sec15.00 sec250 hpFWD
2018Signature Sedan 2.5L Turbo I-47.20 sec15.40 sec250 hpFWD
2016i Grand Touring Sedan 2.5L I-47.00 sec15.50 sec184 hpFWD
2016i Touring Sedan 2.5L I-47.30 sec15.80 sec184 hpFWD
2016i Grand Touring Sedan 2.5L I-47.90 sec16.10 sec184 hpFWD

Service quick specs OEM factory data

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

Torque lug nuts to 80-108 ft-lbs.

Chassis torques

Lug Nuts80-108 ft-lbs

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.03-1.13 lbs
Oil GroupPAG
Oil Type46
Oil Capacity3.38 oz
Standard BCI Group Number35
Standard BCI Cranking Performance520 cca

Service checks

Engine Oil Pressure57-94 psi
Engine Oil Pressure RPM3000 rpm
Intake Valve Lash0.009-0.011 in
Exhaust Valve Lash0.011-0.012 in

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 1 stages
120.0-23.0 ft. lbs., Step 2: 80-100°20–23 ft. lbs
Crankshaft Pulley and/or Damper Bolts — tightening sequence 1 stages
167.0-81.0 ft. lbs., Step 2: 55°-65°67–81 ft. lbs
Crankshaft Pulley and/or Damper Bolts — tightening sequence 1 stages
167.0-81.0 ft. lbs., Step 2: 55°-65°67–81 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 every 75,000 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 miBrake Linings (inspect) · Brake Rotor (inspect) · Engine Oil (drain & refill) · Engine Oil Filter (replace) · Tire & Wheel Assembly (rotate)
Every 15,000 miBody Fasteners (torque) · Brake Line (inspect) · CV Joint Boot (inspect) · Cabin Air Filter (replace) · Fuel Line (inspect) · Steering Linkage (inspect)
Every 22,500 miAccessory Drive Belt (inspect) · Engine Air Filter Element (replace)
Every 30,000 miFuel Evaporative Emission Control System Lines (inspect)
Every 37,500 miExhaust System (Complete) (inspect) · Exhaust System Heat Shield (inspect)
Every 75,000 miSpark Plugs (replace)
At 120,000 miEngine Coolant System (drain, flush & refill)
At 180,000 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 2020 Mazda MAZDA6 represents a clear inflection point in the vehicle’s federal safety and reliability record, particularly within its second generation (2014–present). Complaints dropped to just two in 2020—down from 54 in 2018 and 6 in 2019—while recalls fell to zero for the first time since 2013, signaling a marked improvement in build quality or resolution of earlier issues. The broader trend shows the generation peaking in complaints around its 2014–2016 launch years, with a steady decline thereafter, suggesting Mazda addressed early teething problems through TSBs (363 in 2020) rather than recalls. The 2020 model’s two complaints—one each for brakes/engine and structure—lack specificity and do not indicate systemic flaws, especially given the absence of crash or fire reports. This year sits at the tail end of a positive trajectory, with 2021’s slight uptick in complaints (17) still well below earlier highs. **Takeaway: The 2020 MAZDA6 is among the strongest years to buy in this generation, with near-zero federal red flags and a track record of resolved issues.**

0
Open recalls
NHTSA campaigns
363
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
2
Owner complaints
0 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 2 complaints on record, top 2 components.

Service Brakes,Engine1
Structure1

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 363 bulletins on record with NHTSA.

BulletinDateComponentSummary
SA-041-262026-06-18Electrical SystemThis SA supersedes the previously issued SA(s) listed below. The changes are noted in…
09-019-262026-06-17Electrical SystemThis bulletin supersedes the previously issued bulletin(s) listed below. The changes are…
SA-027-26a2026-06-16Electrical SystemThis SA supersedes the previously issued bulletin(s) listed below. The changes are noted…
01-008-262026-05-01Power TrainThis bulletin supersedes the previously issued bulletin(s) listed below. The changes are…
SA-031-262026-04-30StructureDESCRIPTION Some vehicles may require the replacement of a damaged VIN plate or vehicle…

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 MAZDA6. 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 MAZDA6 have open recalls?

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

What gas mileage does the MAZDA6 get?

EPA figures are 26 city / 35 highway / 29 combined mpg.