Kia Optima vs. Kia K5
iSeeCars' unbiased and data-driven comparison of the Kia Optima and Kia K5 contrasts the two cars across a broad spectrum of vehicle specifications to determine which car is better. In addition to comparing pricing and specs, iSeeCars uses all the ratings, rankings, and insights from its comprehensive analyses of each vehicle model, including calculations of reliability, safety, depreciation, value retention, and the vehicle's projected lifetime recalls (based on analyzing over 25 billion data points). This in-depth evaluation is used to identify which vehicle represents a better overall choice for shoppers who are considering both the Kia Optima and the Kia K5.
When we compare the Kia Optima's and the Kia K5's specifications and ratings, the Kia Optima has the advantage in the area of typical lower range of pricing for one- to five-year-old used cars. The Kia K5 has the advantage in the areas of resale value, interior volume and base engine power. Based on this comparison of the Kia Optima's and the Kia K5's specifications and ratings, the Kia K5 is a better car than the Kia Optima.
Pricing: A used 2020 Kia Optima ranges from $10,496 to $21,500 while a used 2026 Kia K5 is priced between $29,328 to $34,788.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the Kia Optima loses 47.6 percent of its value and the Kia K5 loses 46.9 percent of its value. This means the Kia K5 retains 0.7 percentage points more of its value and has the advantage of higher resale value versus the Kia Optima.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Kia Optima’s base engine makes 185 horsepower, and the Kia K5 base engine makes 191 horsepower.
Passenger Space Comparison: The Kia K5 has the advantage of offering more interior volume, reflected in more front head room and front leg room. The Kia Optima has the advantage in the areas of front shoulder room, rear shoulder room, rear leg room, and cargo space. The Kia Optima and Kia K5 are comparable in regards to rear head room.
Safety Ratings: When comparing crash test ratings from NHTSA, both the Kia Optima and the Kia K5 have the same average safety rating of 5 out of 5 Stars.
New Car Pricing
Asking Price:
-
Starting MSRP:
23390
Category Avg Starting MSRP:
(Midsize Cars)
25348
Category Starting MSRP Range:
(Midsize Cars)
22095 - 35995
New Car Pricing
Asking Price:
28490 - 39559
Starting MSRP:
27390
Category Avg Starting MSRP:
(Midsize Cars)
27345
Category Starting MSRP Range:
(Midsize Cars)
27300 - 27390
Used Car Pricing
Avg Used Car Price:
15850
Price Range:
10496 - 21500
Category Avg Price:
(Midsize Cars)
19584
Category Avg Price Range:
(Midsize Cars)
15850 - 26565
# Used Cars for Sale Nationally:
424
Avg Mileage of Used Cars for Sale:
92811
# Good or Great Deals:
209
Used Car Pricing
Avg Used Car Price:
32511
Price Range:
29328 - 34788
Category Avg Price:
(Midsize Cars)
32511
Category Avg Price Range:
(Midsize Cars)
32511 - 32511
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
Kia Optima Scores & Rankings
Overall Score:
7.8 / 10
Reliability:
7.3 / 10
Retained Value:
8.0 / 10
Safety:
8.0 / 10
Kia K5 Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
8.0 / 10
Safety:
8.0 / 10
iSeeCars Reliability Insights for Kia Optima
Remaining Life Expectancy (years):
3.9
Typical Category Remaining Life Expectancy:
(Midsize Cars)
5.6
Category Remaining Life Expectancy Range:
(Midsize Cars)
2.8 - 8.6
Chance of Reaching 200k Miles for a New Car:
0.062
iSeeCars Reliability Insights for Kia K5
Avg Life Expectancy (years):
Typical Category Life Expectancy:
N/A
Category Life Expectancy Range:
N/A
Chance of Reaching 200k Miles for a New Car:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
1.5819787738035855
Typical Category Recalls:
(Midsize Cars)
3.2
Category Range for Recalls:
(Midsize Cars)
1.1 - 13.2
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
Kia Optima Rankings
Not yet available
Kia K5 Rankings
Ranking
1 out of / 11Ranking
1 out of / 11Ranking
4 out of / 11Ranking
5 out of / 6Ranking
6 out of / 11Ranking
7 out of / 11Ranking
8 out of / 11Ranking
9 out of / 11Available Body Styles
Sedan
Available Body Styles
Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
Kia Optima Trim Levels
EX, EX Premium, LX, S, Special Edition, SX Turbo
Kia K5 Trim Levels
EX, GT, GT-Line, LXS
Warranty Information
Warranty, Bumper-to-Bumper:
5 years / 60000 miles
Warranty, Powertrain:
10 years / 100000 miles
Warranty, Roadside Assistance:
5 years / 60000 miles
Warranty Information
Warranty, Bumper-to-Bumper:
5 years / 60000 miles
Warranty, Powertrain:
10 years / 100000 miles
Warranty, Roadside Assistance:
5 years / 60000 miles
Safety Ratings
NHTSA Safety Rating (last 5 year average):
5 out of 5 Stars
2026 NHTSA Overall Rating:
5 out of 5 Stars
2026 NHTSA Front Crash Overall Rating:
5 out of 5 Stars
2026 NHTSA Side Crash Overall Rating:
5 out of 5 Stars
2026 NHTSA Rollover Rating:
5 out of 5 Stars
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
5 out of 5 Stars
2026 NHTSA Overall Rating:
Not yet available
2026 NHTSA Front Crash Overall Rating:
Not yet available
2026 NHTSA Side Crash Overall Rating:
Not yet available
2026 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
185 hp @ 6000 rpm
Torque:
178 foot-lbs @ 4000 rpm
Power-to-Weight Ratio (higher is better):
0.057 hp per pound
Base Drivetrain Specs
Horsepower:
191 hp @ 6100 rpm
Torque:
181 foot-lbs @ 4000 rpm
Power-to-Weight Ratio (higher is better):
0.059 hp per pound
Engine Specifications
Engine Size:
2.4 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Automatic
Standard/Optional Drivetrain Type:
FWD
EPA Fuel Economy
(City/Highway/Combined MPG):
24 / 32 / 27
Range (city/hwy):
444 / 592 miles
Recommended Fuel Type:
Regular Unleaded
Engine Specifications
Engine Size:
2.5 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Automatic
Standard/Optional Drivetrain Type:
FWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
Not yet available
Range (city/hwy):
Not yet available
Recommended Fuel Type:
Not yet available
Standard/Optional Features
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Parking Sensors:
Standard
Power outlet:
Standard
Voice Recognition:
Standard
Adaptive Cruise Control:
Available
Cooled/Ventilated Seats:
Available
Heated Seats
Available
Heated Steering Wheel:
Available
Keyless Ignition:
Available
Leather Upholstery:
Available
Navigation System:
Available
Paddle Shifters:
Available
Power Lift Gate:
Available
Roadside assistance:
Available
Satellite radio:
Available
Sunroof/Moonroof:
Available
Wireless Smartphone Charging:
Available
Air Suspension:
N/A
Automatic Parking:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Wifi:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Internet Radio:
N/A
Keyless Entry:
Standard
Parking Sensors:
Standard
Power outlet:
Standard
Voice Recognition:
Standard
Adaptive Cruise Control:
Standard
Cooled/Ventilated Seats:
Available
Heated Seats
Available
Heated Steering Wheel:
Available
Keyless Ignition:
Standard
Leather Upholstery:
Available
Navigation System:
Standard
Paddle Shifters:
Available
Power Lift Gate:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Available
Wireless Smartphone Charging:
Available
Air Suspension:
N/A
Automatic Parking:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Wifi:
N/A
Safety Features
Backup camera:
Standard
Blind Spot Monitoring:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
Standard
360-Degree Camera:
N/A
Rear Seat Reminder:
N/A
Safety Features
Backup camera:
Standard
Blind Spot Monitoring:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
Standard
360-Degree Camera:
Available
Rear Seat Reminder:
Standard
Interior Dimensions
Front Head Room:
39.8 inches
Front Leg Room:
45.5 inches
Front Shoulder Room:
58.1 inches
Rear Head Room:
37.8 inches
Rear Leg Room:
35.6 inches
Rear Shoulder Room:
56.4 inches
Cargo Space:
15.9 cubic feet
Overall Interior Volume:
104.8 cubic feet
Interior Dimensions
Front Head Room:
40.2 inches
Front Leg Room:
46.1 inches
Front Shoulder Room:
58 inches
Rear Head Room:
37.8 inches
Rear Leg Room:
35.2 inches
Rear Shoulder Room:
56.1 inches
Cargo Space:
15.6 cubic feet
Overall Interior Volume:
121.3 cubic feet
Exterior Dimensions
Curb Weight:
3230 lbs
Width:
73.2 inches
Height:
57.7 inches
Length:
191.1 inches
Wheelbase:
110.4 inches
Ground Clearance:
5.3 inches
Exterior Dimensions
Curb Weight:
3230 lbs
Width:
73.2 inches
Height:
56.9 inches
Length:
193.1 inches
Wheelbase:
112.2 inches
Ground Clearance:
5.3 inches
Standard Wheel/Tire Information
Wheel Size:
16.0 x 6.5 inches
Wheel Type:
aluminum alloy
Tire Size:
205/65R16
Standard Wheel/Tire Information
Wheel Size:
16.0 x 6.5 inches
Wheel Type:
painted aluminum alloy
Tire Size:
P205/65R16
Exterior Colors
Black
Ebony Black
Blue
Horizon Blue
Gray
Gravity Gray
Red
Sangria
Silver
Sparkling Silver
White
Snow White Pearl
Exterior Colors
Black
Aurora Black Pearl
Blue
Not available
Gray
Interstellar Gray
Red
Not available
Silver
Not available
White
Snow White Pearl
Interior Colors
Black
Black
Brown
Brown
Interior Colors
Black
Black
Brown
Not available
