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2018 Infiniti

Q70 Hybrid

Auto (S7), 6 cyl, 3.5 L

Infiniti Q70: best and worst years
2018 Infiniti Q70 Hybrid (photo 1 of 2)

Photo of a related trim of this model; you're viewing the 2018.

PhotoWagon Master JohnsonCC BY-SA 4.0Wikimedia Commons

Overview

Body
Midsize CarsEPA, from EPA, last updated 6/11/2026
Drivetrain
Rear-Wheel DriveEPA, from EPA, last updated 6/11/2026
Transmission
Automatic (S7)EPA, from EPA, last updated 6/11/2026
Powertrain
HybridEPA, from EPA, last updated 6/11/2026
Fuel
PremiumEPA, from EPA, last updated 6/11/2026

Engine & performance

Axle ratio
2.61
Cyl
6EPA, 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
33 mpgEPA, from EPA, last updated 6/11/2026
MPG City
28 mpgEPA, from EPA, last updated 6/11/2026
MPG Comb
30 mpgEPA, from EPA, last updated 6/11/2026
Fuel $/yr
$2,550EPA, from EPA, last updated 6/11/2026
CO₂
296 g/miEPA, from EPA, last updated 6/11/2026
Eco Score
7/10EPA, from EPA, last updated 6/11/2026
Smog score
3/10
Elec. Range
0 miEPA, from EPA, last updated 6/11/2026
SmartWay certified
Yes

Dimensions & capacity

Length
196 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Width
73 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Height
60 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Wheelbase
114 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Curb Weight
4,059 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Pass. Vol
104 ft³EPA, from EPA, last updated 6/11/2026
Cargo Vol
11 ft³EPA, from EPA, last updated 6/11/2026

Safety NHTSA, model year

Recalls
1
Owner complaints
1

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

  • AIR BAGS50%
  • SEAT BELTS50%

Source: NHTSA owner complaints, 2 total.

Infiniti Q70: best and worst years

Federal investigations NHTSA defect investigations, model year

  • DP22005opened Jan 27, 2023ELECTRICAL SYSTEM:PROPULSION SYSTEM

    Pedestrian alert sounds

Known issues manufacturer service bulletins, model year

115 service bulletins filed with NHTSA for this model year

  • Apr 13, 2026STRUCTURE:BODYITB09-063C

    CERTIFICATION LABEL AND VIN PLATE REPLACEMENT SERVICE INFORMATION Because of collision damage or other vehicle repair, a replacement “Certification Label” or “VIN Plate/Label” may be needed. HINT: Certification Label = FMVSS (Federal Motor Vehicle Safety Standards) label. These items may be available from Infiniti by request if certain criteria are met. This bulletin lists the criteria and provides an application form for such replacements. · The “VIN Plate/Label” (metal plate or vinyl label) is

  • Mar 30, 2026ELECTRICAL SYSTEMITB12-011R

    TELEMATICS SERVICE INFORMATION See ITB19-029 for models built after those listed above for a different Service Procedure. SERVICE INFORMATION The Applied Vehicles are equipped with a wireless communication device called a Telematics Communication Unit (TCU). With an active Infiniti Connection® or Infiniti InTouch Services™, the TCU communicates with the Infiniti Data Center to provide various security and convenience services. This bulletin contains important service procedures that must be perf

  • Feb 20, 2025FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKINGITB23-023A

    AEB WARNING LIGHT IS ON WITH WARNING MESSAGES DISPLAYED ON COMBINATION METER APPLIED VEHICLES: 2015-2024 Q50 (V37) 2015-2018 Q50 Hybrid (HV37) 2017-2022 Q60 (CV37) 2015-2019 Q70 (Y51) 2015-2018 Q70 Hybrid (HY51) 2019-2024 QX50 (J55) 2022-2024 QX55 (FJ55) 2015-2021 QX60 (L50) 2022-2024 QX60 (L51) 2015-2019 QX60 Hybrid (L50H) 2015-2024 QX80 (Z62) SERVICE INFORMATION The AEB system is designed to turn itself OFF during driving conditions (e.g., rain, snow, fog, etc.) that obstruct its sensors. This

  • May 20, 2024ELECTRICAL SYSTEMITB13-052E

    INTELLIGENT KEY NOT DETECTED / ENGINE WILL NOT START This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

  • May 20, 2024ELECTRICAL SYSTEMITB13-006D

    CAN COMMUNICATION – NETWORK DIAGNOSTIC FLOW CHART This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

  • May 20, 2024ELECTRICAL SYSTEMITB10-029C

    CAN COMMUNICATION CODES – DIAGNOSTIC TIPS AND GUIDELINES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

  • Apr 30, 2024VISIBILITY/WIPERITB17-009H

    WINDOW GLASS WARRANTY INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

  • Apr 30, 2024VISIBILITY/WIPERITB13-007I

    REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

  • and 107 more

Source: NHTSA manufacturer communications (technical service bulletins).

Warranty manufacturer terms, by make

Basic
4 yr / 60k mi
Powertrain
6 yr / 70k mi
Roadside assistance
4 yr
Maintenance
3 yr

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.