2018 MAZDA MODEL 3 4-DOOR engine

Outside the United States/Canada
Government regulations in the United States/Canada require that automobiles meet specific
emission regulations and safety standards. Therefore, vehicles built for use in the United
States/Canada may differ from those sold in other countries.

The differences may make it difficult or even impossible for yo ur vehicle to receive
satisfactory servicing in other countries. We strongly recommend that you NOT take your
Mazda outside the United States/Canada.

United States
However, in the event that you are moving to Canada permanently, Mazda vehicles built for
use in the United States could be eligible for exportation to C anada with specific vehicle
modifications to comply with the Canadian Motor Vehicle Safety Standards (CMVSS).

Canada
However, in the event that you a re moving to the United States permanently, Mazda
vehicles built for use in Canada could be eligible for exportat ion to the United States with
specific vehicle modifications t o comply with the United States Federal Motor Vehicle
Safety Standards (FMVSS).
NOTE
The above is applicable for a permanent import/export situation and not related to travelers
on vacation.
You may have the following problems if you do take your vehicle outside of the United
States/Canada:
Recommended fuel may be unavailable. Any kind of leaded fuel or low-octane fuel will
affect vehicle performance and damage the emission controls and engine.
Proper repair facilities, tools, testing equipment, and replacement parts may not be
available.
Please refer to your Manufacturer's Warranty Booklet for more information.
Customer Information and Reporting Safety Defects
Wa r r an t y
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Add-On Non-Genuine Parts and Accessories
Non-genuine parts and accessories for Mazda vehicles can be found in stores.
These may fit your vehicle, but they are not approved by Mazda for use with Mazda
vehicles. When you install non-genuine parts or accessories, th ey could affect your vehicle's
performance or safety systems; th e Mazda warranty doesn't cover this. Before you install
any non-genuine parts or accessories, consult an Authorized Maz da Dealer.
WA R N I N G
Always consult an Authorized Mazda Dealer before you install non-genuine parts or
accessories:
Improperly designed parts or accessories could seriously affect your vehicle's performance or
safety systems. This could cause you to have an accident or increase your chances of injuries
in an accident.
Be very careful in choosing and installing add-on electrical equipment, such as mobile
telephones, two-way radios, stereo systems, and car alarm systems:
Incorrectly choosing or installing improper add-on equipment or choosing an improper
installer is dangerous. Essential systems could be damaged, causing engine stalling, air-bag
(SRS) activation, ABS/TCS/DSC inactivation, or a fire in the vehicle.
Mazda assumes no responsibility for death, injury, or expenses that may result from the
installation of add-on non-genuine parts or accessories.
Customer Information and Reporting Safety Defects
Wa r r an t y
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Recording of Vehicle Data
This vehicle is equipped with a computer which records the following main vehicle data
related to vehicle controls, ope ration, and other driving conditions.

Recorded data
Vehicle conditions such as engine speed and vehicle speed
Driving operation conditions such as accelerator and brake peda ls, and information related
to the environmental circumstances while the vehicle is driven
Malfunction diagnosis i nformation from each on-vehicle computer
Information related to controls of other on-vehicle computers
NOTE
The recorded data may vary depending on the vehicle grade and optional equipment. Voice
and images are not recorded.

Data handling
Mazda and its subcontracting parties may obtain and use the rec orded data for vehicle
malfunction diagnosis, research and development, and quality im provement.
Mazda will not disclose or provide any of the obtained data to a third party unless:
An agreement from the vehicle owner (agreements from lessor and lessee for leased
vehicle) is obtained
Officially requested by the police or other law enforcement aut horities
For statistical processing by a research institution after processing the data so that
identification of the owner o r the vehicle is impossible
Customer Information and Reporting Safety Defects
Recording of Vehicle Data
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SAMPLE

WA R N I N G
Never Exceed Axle Weight Rating Limits:
Exceeding the Safety Certification Label axle weight rating limits is dangerous and could
result in death or serious injury as a result of substandard vehicle handling, performance,
engine, transmission and/or structural damage , serious damage to the vehicle, or loss of
control.
Always keep the vehicle within the axle weight rating limits.

GCW
Customer Information and Reporting Safety Defects
Tire Information (U.S.A.)
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▼Engine Number
Forward
Specifications
Identification Numbers
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Specifications
▼Engine
Item Specification
SKYACTIV-G 2.0 SKYACTIV-G 2.5
Type DOHC-16V in-line, 4-cylinder
Bore × Stroke 83.5 × 91.2 mm (3.29 × 3.59 in) 89.0 × 100 mm (3.50 × 3.94 in)
Displacement 1,997.6 ml (1,997.6 cc) 2,488.5 ml (2,488.5 cc)
Compression ratio 13.0
▼Electrical System
Item
Classification
Battery Q-85
*1
12V-60Ah/20HR*2 or 12V-65Ah/20HR*2
Spark-plug number
Mazda Genuine spark
plug*3PE5R-18-110 or PE5S-18-110
*1 Q-85 is designed for i-ELOOP sys
tem. Only Q-85 should be used to ensure correct operation of i-ELOOP
system. Consult an Authorized Mazda Dealer for details.
*2 Not for i-ELOOP system.*3 This spark plug provides the SK YACTIV-G engine with optimum performance. Contact an Authorized Mazda
Dealer for details.
CAUTION
When cleaning the iridium plugs, do not use a wire brush. The fine particulate coating on the
iridium alloy and platinum tips could be damaged.
▼ Lubricant Quality
Lubricant
Classification
Engine oil Refer to Recommended Oil on page 6-23.
Manual transaxle oil API Service
GL-4
SAE 75W-80
Automatic transaxle fluid Mazda Genuine ATF FZ
Brake/Clutch fluid SAE J1703 or FMVSS116 DOT-3
NOTE
Refer to Introduction on (page 6-2) for owner's responsibility in protecting your investment.
Specifications
Specifications
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▼Capacities
(Approximate Quantities)
Item
Capacity
Engine oil SKYACTIV-G
2.0
With oil filter replacement
4.2 L (4.4 US qt, 3.7 Imp qt)
Without oil filter replacement 4.0 L (4.2 US qt, 3.5 Imp qt)
SKYACTIV-G
2.5 With oil filter replacement
4.5 L (4.8 US qt, 4.0 Imp qt)
Without oil filter replacement 4.3 L (4.5 US qt, 3.8 Imp qt)
Coolant SKYACTIV-G
2.0
For vehicle identi-
fication number
beginning with
JM1
*1
Manual transaxle 6.3 L (6.7 US qt, 5.5 Imp qt)
Automatic transaxle 6.5 L (6.9 US qt, 5.7 Imp qt)
For vehicle identi-
fication number
beginning with
3MZ
*1
Manual transaxle 6.2 L (6.6 US qt, 5.5 Imp qt)
Automatic transaxle 6.5 L (6.9 US qt, 5.7 Imp qt)
SKYACTIV-G
2.5 For vehicle identi-
fication number
beginning with
JM1
*1
Manual transaxle 6.5 L (6.9 US qt, 5.7 Imp qt)
Automatic transaxle
(U.S.A. and Canada)
6.8 L (7.2 US qt, 6.0 Imp qt)/ (Mexico)
6.7 L (7.1 US qt, 5.9 Imp qt)
For vehicle identi-
fication number
beginning with
3MZ
*1
Manual transaxle 6.5 L (6.9 US qt, 5.7 Imp qt)
Automatic transaxle 6.7 L (7.1 US qt, 5.9 Imp qt)
Manual transaxle oil SKYACTIV-G 2.0 1.70 L (1.80 US qt, 1.50 Imp qt)
SKYACTIV-G 2.5 1.65 L (1.74 US qt, 1.45 Imp qt)
Automatic transaxle fluid 7.8 L (8.2 US qt, 6.9 Imp qt)
Fuel tank U.S.A. and Canada 50.0 L (13.2 US gal, 11.0 Imp gal)
Mexico 51.0 L (13.5 US gal, 11.2 Imp gal)
Check oil and fluid levels with d
ipsticks or reservoir gauges.*1 Check the vehicle identificati on number on the vehicle identification number plate. Refer to Vehicle
Identification Number on page 9-2.
Specifications
Specifications
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SKYACTIV-G 2.5
ItemWeight
GVW (Gross Vehicle Weight) Total
1,865 kg (4,112 lbs)
Front 970 kg (2,138 lbs)
Rear 895 kg (1,973 lbs)
GAW (Permissible axle load) Front
995 kg (2,194 lbs)
Rear 945 kg (2,083 lbs)
▼Air Conditioner
The type of refrigerant used is indicated on a label attached t
o the inside of the engine com-
partment. Check the label before recharging the refrigerant. Refer to Climate Control Sys-
tem on page 5-2.
Item Classification
Refrigerant Type HFC134a (R-134a)
▼Light Bulbs
Exterior light
Light bulb Category
Wat t a ge UNECE*1 (SAE)
Headlights Halogen
High beam 65 HB3 (9005)
Low beam
55H11 (H11)
LED High/Low beam
LED
*2― (―)
Daytime running lights With halogen bulb headlights 65 HB3 (9005)
With LED headlights
LED
*2― (―)
Parking lights (Front side-marker
lights) With halogen bulb headlights 5 WY5W (―)
Front side-marker lights With LED headlights LED
*2― (―)
Parking lights With LED headlights LED
*2― (―)
Front turn signal lights 21 WY21W (7443NA)
Fog lights
*LED*2― (―)
Side turn signal lights
*LED*2― (―)
High-mount brake light LED
*2― (―)
Rear turn signal lights 21 WY21W (7443NA)
Brake lights/Taillights/Rear
side-marker lights LED type
LED
*2― (―)
Bulb type 21/5 W21/5W (7443)
Taillights (Liftgate side/Trunk lid side)
*LED*2― (―)
Specifications
Specifications
*Some models.9-9
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