Skip to content
Trimslate
SavedHelp

2012 Infiniti

QX56 4WD

Auto (S7), 8 cyl, 5.6 L

Infiniti QX56: best and worst years
2012 Infiniti QX56 4WD (photo 1 of 2)
PhotoTokumeigakarinoaoshimaCC BY-SA 4.0Wikimedia Commons

Overview

Body
Standard Sport Utility Vehicle 4WDEPA, from EPA, last updated 6/11/2026
Drivetrain
4-Wheel DriveEPA, from EPA, last updated 6/11/2026
Transmission
Automatic (S7)EPA, from EPA, last updated 6/11/2026
Powertrain
GasEPA, from EPA, last updated 6/11/2026
Fuel
PremiumEPA, from EPA, last updated 6/11/2026

Engine & performance

Cyl
8EPA, from EPA, last updated 6/11/2026
Aspiration
Naturally aspiratedEPA, from EPA, last updated 6/11/2026

Efficiency

MPG Hwy
20 mpgEPA, from EPA, last updated 6/11/2026
MPG City
14 mpgEPA, from EPA, last updated 6/11/2026
MPG Comb
16 mpgEPA, from EPA, last updated 6/11/2026
Fuel $/yr
$4,800EPA, from EPA, last updated 6/11/2026
Smog score
5/10
Elec. Range
0 miEPA, from EPA, last updated 6/11/2026
SmartWay certified
No

Dimensions & capacity

Length
208 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Width
80 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Height
76 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Wheelbase
121 inNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026
Curb Weight
5,851 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/5/2026

Safety NHTSA, model year

Recalls
2
Owner complaints
59

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

  • ENGINE32%
  • ELECTRICAL SYSTEM12%
  • FUEL/PROPULSION SYSTEM9%
  • UNKNOWN OR OTHER9%
  • AIR BAGS7%
  • ENGINE AND ENGINE COOLING5%

Source: NHTSA owner complaints, 74 total.

Infiniti QX56: best and worst years

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Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice.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.