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2018 Hyundai

Sonata Hybrid SE

Auto (AM6), 4 cyl, 2.0 L

Hyundai Sonata: best and worst years
2018 Hyundai Sonata Hybrid SE
PhotoHJUdallCC0Wikimedia Commons

Overview

Body
Midsize CarsEPA, from EPA, last updated 6/11/2026
Drivetrain
Front-Wheel DriveEPA, from EPA, last updated 6/11/2026
Transmission
Automatic (AM6)EPA, from EPA, last updated 6/11/2026
Powertrain
HybridEPA, from EPA, last updated 6/11/2026
Fuel
RegularEPA, from EPA, last updated 6/11/2026

Engine & performance

Axle ratio
3.32
Cyl
4EPA, from EPA, last updated 6/11/2026
Aspiration
Naturally aspiratedEPA, from EPA, last updated 6/11/2026
Start-stop system
YesEPA, from EPA, last updated 6/11/2026

Efficiency

MPG Hwy
46 mpgEPA, from EPA, last updated 6/11/2026
MPG City
40 mpgEPA, from EPA, last updated 6/11/2026
MPG Comb
42 mpgEPA, from EPA, last updated 6/11/2026
Fuel $/yr
$1,500EPA, from EPA, last updated 6/11/2026
CO₂
212 g/miEPA, from EPA, last updated 6/11/2026
Eco Score
9/10EPA, from EPA, last updated 6/11/2026
Smog score
7/10
Elec. Range
0 miEPA, from EPA, last updated 6/11/2026
SmartWay certified
Yes

Dimensions & capacity

Length
191 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Width
74 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Height
58 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Wheelbase
111 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Curb Weight
3,497 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Pass. Vol
106 ft³EPA, from EPA, last updated 6/11/2026
Cargo Vol
13 ft³EPA, from EPA, last updated 6/11/2026

Safety NHTSA, model year

Overall crash rating
★★★★★
Rollover rating
★★★★
Stability control (ESC)
Standard
Forward-collision warning
No
Lane-departure warning
Optional
Recalls
1
Owner complaints
358
Reported injuries
20

Feature availability

Which features come standard, cost extra, or are locked to a pricier trim arrives with the next data phase. Standard equipment shows here today.

Standard

Reported problems NHTSA owner complaints, model year

  • ENGINE38%
  • ELECTRICAL SYSTEM11%
  • UNKNOWN OR OTHER11%
  • POWER TRAIN7%
  • FUEL/PROPULSION SYSTEM5%
  • EXTERIOR LIGHTING4%

Source: NHTSA owner complaints, 531 total.

Hyundai Sonata: best and worst years

Federal investigations NHTSA defect investigations, model year

  • DP22005opened Jan 27, 2023ELECTRICAL SYSTEM:PROPULSION SYSTEM

    Pedestrian alert sounds

  • DP22003opened Sep 12, 2022ENGINE

    Loss of Motive Power

  • EA19001opened Apr 19, 2019AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE

    Electrical overstress

Warranty manufacturer terms, by make

Basic
5 yr / 60k mi
Powertrain
10 yr / 100k mi
Roadside assistance
5 yr
Maintenance
3 yr / 36k mi
EV battery
10 yr / 100k mi

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.