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Kia K4 vs Nissan Altima

Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.

Vehicles

Kia logo

2026 Kia K4

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Nissan logo

2026 Nissan Altima

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Overview

SpecKia K4LXNissan AltimaSV
Selected trimLXSV
Body styleSedanSedan
Drivetrainfront wheel drivefront wheel drive
Fuel typeregular unleadedregular unleaded
Transmissioncontinuously variable-speed automaticcontinuously variable-speed automatic
Engine typegasgas
Model year20262026

Pricing & market

SpecKia K4LXNissan AltimaSV
MSRP$22,190 (best)$27,580
Lowest listing price$17,994$10,995 (best)
Median listing price$24,825$19,772 (best)
Highest listing price$35,320$30,470 (best)
For sale now456 (best)60

Fuel economy & range

SpecKia K4LXNissan AltimaSV
Combined MPG34 MPG (best)32 MPG
City MPG30 MPG (best)27 MPG
Highway MPG40 MPG (best)39 MPG
Fuel tank12 gal16 gal (best)

Performance

SpecKia K4LXNissan AltimaSV
Horsepower147 hp188 hp (best)
Torque132 lb-ft180 lb-ft (best)
Engine size2 L2.5 L (best)
CylindersI4I4

Size & capability

SpecKia K4LXNissan AltimaSV
Seating5 seats5 seats
Doors44
Curb weight2,956 lbs (best)3,281 lbs
Ground clearance5 in5 in
Wheelbase107 in111 in (best)
Length185.4 in193 in (best)
Width73 in73 in
Height55.9 in57 in (best)

Safety & recalls

SpecKia K4LXNissan AltimaSV
NHTSA overall5 / 5 ★5 / 5 ★
Frontal crash (driver)5 / 5 ★5 / 5 ★
Frontal crash (passenger)4 / 5 ★4 / 5 ★
Side crash (driver)5 / 5 ★ (best)4 / 5 ★
Side crash (passenger)5 / 5 ★5 / 5 ★
Side pole5 / 5 ★5 / 5 ★
Rollover5 / 5 ★5 / 5 ★
Open recalls (YMM scope)1None reported (best)

Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.

Trim overview

All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.

TrimKia K4Nissan Altima
1

LX

$22,190 MSRP(Currently comparing)

SV

$27,580 MSRP(Currently comparing)

2

LXS

$23,290 MSRP

SV

$29,080 MSRP

3

EX

$24,390 MSRP

SR

$28,980 MSRP

4

EX

$24,890 MSRP

SR AWD

$30,480 MSRP

5

GT-Line

$25,390 MSRP

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6

GT-Line

$25,890 MSRP

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7

GT-Line Turbo

$28,290 MSRP

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8

GT-Line Turbo

$28,790 MSRP

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Live inventory

Kia K4 vs Nissan Altima FAQ

Which is better: 2026 Kia K4 or 2026 Nissan Altima?
It depends on priorities. OpenDealer compares 2026 Kia K4 vs 2026 Nissan Altima on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2026 Kia K4 or 2026 Nissan Altima?
Based on starting MSRP, the 2026 Kia K4 starts lower at $22,190. Live Kia K4 listings start at $17,994. Live Nissan Altima listings start at $10,995.
Which has better startingMsrp: 2026 Kia K4 or 2026 Nissan Altima?
The 2026 Kia K4 leads on startingMsrp in this comparison (22,190).
Which has better combinedMpg: 2026 Kia K4 or 2026 Nissan Altima?
The 2026 Kia K4 leads on combinedMpg in this comparison (34).
Which has better horsepower: 2026 Kia K4 or 2026 Nissan Altima?
The 2026 Kia K4 leads on horsepower in this comparison (190).
How do the NHTSA safety ratings compare for 2026 Kia K4 vs 2026 Nissan Altima?
NHTSA overall crash-test ratings in this comparison: Kia K4 (5/5 NHTSA overall); Nissan Altima (5/5 NHTSA overall).