Compare Mazda 3 Sedan vs Mazda 6 Sedan vs Subaru WRX STI

Mazda 3 Sedan
2021 Mazda 3 Sedan
Select configuration:
$20,500
Starting Price (MSRP)
8.6
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Mazda 6 Sedan
2021 Mazda 6 Sedan
Select configuration:
$24,325
Starting Price (MSRP)
N/A
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Subaru WRX STI
2020 Subaru WRX STI
Select configuration:
$36,995
Starting Price (MSRP)
8.4
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Overview

Engine
2.0-liter Inline-4 Gas
Engine
2.5-liter Inline-4 Gas
Engine
2.5-liter Turbo Flat 4 Gas
Transmission
6-Speed Automatic
Transmission
6-Speed Automatic
Transmission
6-Speed Manual
Drivetrain
Front-Wheel Drive
Drivetrain
Front-Wheel Drive
Drivetrain
All-Wheel Drive
Fuel Economy
City: 28 MPG
Hwy: 36 MPG
Fuel Economy
City: 26 MPG
Hwy: 35 MPG
Fuel Economy
City: 16 MPG
Hwy: 22 MPG
Fuel Tank Capacity
13.2 gallons
Fuel Tank Capacity
16.4 gallons
Fuel Tank Capacity
15.9 gallons
Seating Capacity
5 seater
Seating Capacity
5 seater
Seating Capacity
5 seater
Trunk Volume
13.2 ft³
Trunk Volume
14.7 ft³
Trunk Volume
12 ft³

Photos

75
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44
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35
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Performance Specs

Engine and Transmission

Engine
2.0-liter Inline-4 Gas
2.5-liter Inline-4 Gas
2.5-liter Turbo Flat 4 Gas
Horsepower
155 hp @ 6000 rpm
187 hp @ 6000 rpm
310 hp @ 6000 rpm
Torque
150 lb-ft @ 4000 rpm
186 lb-ft @ 4000 rpm
290 lb-ft @ 4000 rpm
Transmission
6-Speed Automatic
6-Speed Automatic
6-Speed Manual
Drivetrain
Front-Wheel Drive
Front-Wheel Drive
All-Wheel Drive

Weight and Towing

Curb Weight
3,071 lbs
3,437 lbs
3,450 lbs

Fuel and MPG

Fuel Economy

Combined
31 MPG
29 MPG
19 MPG
City
28 MPG
26 MPG
16 MPG
Highway
36 MPG
35 MPG
22 MPG

Emissions

CO2 Emissions @ 15K mi/year
5.7 Tons/yr
6.2 Tons/yr
9.3 Tons/yr

Fuel Tank

Fuel Tank Capacity
13.2 gallons
16.4 gallons
15.9 gallons
Cruising Range City
369.6 miles
426.4 miles
254.4 miles
Cruising Range Highway
475.2 miles
574 miles
349.8 miles

Dimensions and Measurement

Exterior Dimensions

Length
183.5 in
192.7 in
180.9 in
Height
56.9 in
57.1 in
58.1 in
Max Width
70.7 in
72.4 in
70.7 in
Front Width
61.7 in
62.4 in
60.2 in
Rear Width
62.2 in
62 in
60.6 in
Wheelbase
107.3 in
111.4 in
104.3 in
Ground Clearance
5.5 in
6.5 in
4.9 in

Interior Space

Seating Capacity
5 seater
5 seater
5 seater
Front Seat Leg Room
42.3 in
42.2 in
43.3 in
Front Seat Headroom
38 in
38.4 in
39.8 in
Front Seat Shoulder Room
55.7 in
55.9 in
55.6 in
Front Seat Hip Room
54.6 in
53.5 in
52.1 in
Rear Seat Leg Room
35.1 in
38.7 in
35.4 in
Rear Seat Headroom
37.3 in
37.1 in
37.1 in
Rear Seat Shoulder Room
53.5 in
55.1 in
54.2 in
Rear Seat Hip Room
50.9 in
53.5 in
53.1 in

Cargo Space

Trunk Volume
13.2 ft³
14.7 ft³
12 ft³

Wheels and Suspension

Steering

Steering Type
Rack-Pinion
Rack-Pinion
Rack-Pinion
Turning Diameter
34.8 ft
36.7 ft
36 ft

Wheels

Wheels Type
Aluminum Wheels
Aluminum Wheels
N/A
Front Wheel Size
16" x 6.5"
17" x 7.5"
19" x 8.5"
Rear Wheel Size
16" x 6.5"
17" x 7.5"
19" x 8.5"

Suspension

Front Suspension
Strut
Strut
Strut
Rear Suspension
Torsion Beam
Multi-Link
Double Wishbone

Tires

Front Tire
P205/60HR16
P225/55VR17
P245/35WR19
Rear Tire
P205/60HR16
P225/55VR17
P245/35WR19
Spare Tire
Compact
Compact
Compact

Colors and Materials

Standard Exterior Colors

  • Jet Black Mica
  • Sonic Silver Metallic
  • Deep Crystal Blue
  • Jet Black Mica
  • Machine Gray Metallic
  • Snowflake White Pearl Mica
  • Soul Red Crystal Metallic
  • Ceramic White
  • Crystal Black Silica
  • Crystal White Pearl
  • Ice Silver Metallic
  • Lapis Blue Pearl
  • Magnetite Gray Metallic
  • Pure Red
  • WR Blue Pearl

Standard Interior Materials

  • Black, Cloth Seat Trim
  • Black, Cloth Seat Trim
  • Black, Ultrasuede Upholstery w/Leather Bolsters

Features and Options

Infotainment

HD Radio
Standard
Standard
Standard
Bluetooth Connection
Standard
Standard
Standard
Satellite Radio
Not Available
Not Available
Standard
Smart Device Integration
Standard
Standard
Standard
Auxiliary Audio Input
Standard
Standard
Standard
MP3 Player
Standard
Standard
Standard

Interior Trim

Bucket Seats
Standard
Standard
Standard
Cloth Seats
Standard
Standard
Not Available
Leather Seats
Not Available
Not Available
Standard
Leather Steering Wheel
Not Available
Standard
Standard
Premium Synthetic Seats
Not Available
Not Available
Standard

Comfort

Steering Wheel Audio Controls
Standard
Standard
Standard
Power Mirror(s)
Standard
Standard
Standard
A/C
Standard
Standard
Standard
Adaptive Cruise Control
Standard
Standard
Not Available
Climate Control
Not Available
Standard
Standard
Cruise Control
Standard
Standard
Standard
Heated Front Seat(s)
Not Available
Not Available
Standard
Keyless Entry
Standard
Standard
Standard
Multi-Zone A/C
Not Available
Standard
Standard
Power Driver Seat
Not Available
Not Available
Standard
Remote Engine Start
Standard
Not Available
Optional
Remote Trunk Release
Not Available
Standard
Standard
Keyless Start
Standard
Standard
Standard
Telematics
Standard
Standard
Standard

Safety

Safety Features

Back-Up Camera
Standard
Standard
Standard
Cross-Traffic Alert
Not Available
Standard
Not Available
Blind Spot Monitor
Not Available
Standard
Not Available
Lane Departure Warning
Standard
Standard
Not Available
Lane Keeping Assist
Standard
Standard
Not Available
ABS
Standard
Standard
Standard
Tire Pressure Monitor
Standard
Standard
Standard
Brake Assist
Standard
Standard
Standard
Stability Control
Standard
Standard
Standard
Traction Control
Standard
Standard
Standard

US NHTSA crash test result

Overall Rating
N/A
Frontal Barrier Crash Rating
N/A
Side Crash Rating
N/A
Rollover Rating
N/A

Airbags

Driver Air Bag
Standard
Standard
Standard
Front Head Air Bag
Standard
Standard
Standard
Front Side Air Bag
Standard
Standard
Standard
Knee Air Bag
Standard
Not Available
Standard
Passenger Air Bag
Standard
Standard
Standard
Rear Head Air Bag
Standard
Standard
Standard

Warranty

Warranty Summary

Basic
3 Years / 36,000 Miles
3 Years / 36,000 Miles
3 Years / 36,000 Miles
Corrosion
5 Years / Unlimited Miles
5 Years / Unlimited Miles
5 Years / Unlimited Miles
Drivetrain
5 Years / 60,000 Miles
5 Years / 60,000 Miles
5 Years / 60,000 Miles
Roadside Assistance
3 Years / 36,000 Miles
3 Years / 36,000 Miles
3 Years / 36,000 Miles