Compare 2018 Mazda MAZDA6 vs 2018 Kia Optima

2018 Mazda MAZDA6
2018 Kia Optima
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Manual Sport
Style MPG City MPG Hwy Invoice MSRP
Manual Sport 24 33 $20,951 $21,950
Automatic Sport 26 35 $21,836 $23,000
Automatic Touring 26 35 $24,269 $25,700
Automatic Grand Touring 23 31 $27,571 $29,200
Automatic Grand Touring Reserve 23 31 $29,929 $31,700
Automatic Signature 23 31 $32,808 $34,750
Select style
Automatic LX
Style MPG City MPG Hwy Invoice MSRP
Automatic LX 25 36 $21,823 $22,600
Automatic S 23 32 $22,750 $23,600
DCT LX 1.6T 28 37 $23,058 $24,400
Automatic EX 24 34 $24,030 $25,700
Automatic SX 22 31 $28,580 $30,600
Pricing
Invoice Price
$20,951
$21,823
Manufacturer Suggested Retail Price
$21,950
$22,600
Monthly Payment Estimate
$366 / month
$377 / month
The Car Connection's Take
TCC Rating
6.7
7.2
TCC’s Bottom Line
The 2018 Mazda 6 is a stylish, good handling sedan that finally has the underhood muscle to match. The 2018 Kia Optima returns with a new sportier trim and wide-ranging flexibility for a compelling price.
TCC Likes
TCC Dislikes
Fuel Economy
City
24 mpg 25 mpg
Highway
33 mpg 36 mpg
Vehicle
EPA Classification
Mid-Size Cars Mid-Size Cars
Interior Dimensions
Front Hip Room (in)
53.5 56
Second Leg Room (in)
38.7 35.6
Front Head Room (in)
38.4 39.8
Passenger Volume (ft³)
99.7 104.8
Second Hip Room (in)
53.5 56
Front Shoulder Room (in)
55.9 58.1
Second Head Room (in)
37.1 37.8
Passenger Capacity
5 5
Second Shoulder Room (in)
55.1 56.4
Front Leg Room (in)
42.2 45.5
Exterior Dimensions
Track Width, Rear (in)
62 63.8
Wheelbase (in)
111.4 110.4
Width, Max w/o mirrors (in)
72.4 73.2
Track Width, Front (in)
62.4 63.5
Min Ground Clearance (in)
6.5 5.3
Length, Overall (in)
192.7 191.1
Height, Overall (in)
57.1 57.7
Cargo Area Dimensions
Trunk Volume (ft³)
14.7 15.9
Brakes
Brake Type
4-Wheel Disc 4-Wheel Disc
Rear Drum Diam x Width (in)
NA NA
Disc - Front (Yes or )
Yes Yes
Front Brake Rotor Diam x Thickness (in)
11.7 12
Drum - Rear (Yes or )
NA NA
Brake ABS System
4-Wheel 4-Wheel
Disc - Rear (Yes or )
Yes Yes
Rear Brake Rotor Diam x Thickness (in)
10.9 11.2
Fuel Tank
Fuel Tank Capacity, Approx (gal)
16.4 18.5
Steering
Turning Diameter - Curb to Curb (ft)
36.7 -
Steering Type
Rack-Pinion Rack-Pinion
Tires
Rear Tire Size
P225/55VR17 P205/65HR16
Rear Tire Order Code
NA NA
Front Tire Size
P225/55VR17 P205/65HR16
Spare Tire Size
Compact NA
Front Tire Order Code
NA NA
Spare Tire Order Code
NA NA
Weight Information
Base Curb Weight (lbs)
3326 3219
Wheels
Front Wheel Material
Aluminum Aluminum
Spare Wheel Material
Steel NA
Front Wheel Size (in)
17 X 7.5 16 X 6.5
Spare Wheel Size (in)
Compact NA
Rear Wheel Material
Aluminum Aluminum
Rear Wheel Size (in)
17 X 7.5 16 X 6.5
Electrical
Maximum Alternator Capacity (amps)
100 150
Cold Cranking Amps @ 0° F (Primary)
- 800
Engine
Engine Type
Regular Unleaded I-4 Regular Unleaded I-4
Fuel System
Gasoline Direct Injection Gasoline Direct Injection
SAE Net Torque @ RPM
186 @ 4000 178 @ 4000
Engine Order Code
NA NA
Displacement
2.5 L/152 2.4 L/144
SAE Net Horsepower @ RPM
187 @ 6000 185 @ 6000
Mileage
EPA Fuel Economy Est - City (MPG)
24 25
Fuel Economy Est-Combined (MPG)
27 29
EPA Fuel Economy Est - Hwy (MPG)
33 36
Transmission
Trans Order Code
NA NA
Fourth Gear Ratio (:1)
1.03 1.39
Trans Description Cont.
Manual w/OD Automatic w/OD
Sixth Gear Ratio (:1)
0.68 0.77
First Gear Ratio (:1)
3.70 4.21
Final Drive Axle Ratio (:1)
4.11 2.88
Third Gear Ratio (:1)
1.30 1.80
Trans Type
6 6
Drivetrain
Front Wheel Drive Front Wheel Drive
Fifth Gear Ratio (:1)
0.84 1.00
Trans Description Cont. Again
NA NA
Reverse Ratio (:1)
3.72 3.38
Second Gear Ratio (:1)
1.95 2.64
Summary
Body Style
Sedan Sedan
Vehicle Name
Mazda Mazda6 Kia Optima
Suspension
Suspension Type - Rear (Cont.)
Multi-Link Multi-Link
Suspension Type - Front
Strut Strut
Suspension Type - Front (Cont.)
Strut Strut
Suspension Type - Rear
Multi-Link Multi-Link
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
6.5 6.1
Crash Test Ratings
Overall Rating
Overall Frontal Barrier Crash Rating
Frontal Barrier Crash Rating Driver
Frontal Barrier Crash Rating Passenger
Overall Side Crash Rating
Side Barrier Rating
Side Barrier Rating Driver
Side Barrier Rating Passenger Rear Seat
Side Pole Rating Driver Front Seat
Combined Side Rating Front Seat
Combined Side Rating Rear Seat
Rollover Rating

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