2010 Infiniti QX56 — Full Specifications
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Running gear matters most — before anything else, UK: check tyre prices at TirendoUS: check wheel & tyre prices at WheelHero for this car's fitment.
The 2010 Infiniti QX56 is an SUV powered by a 5.6L 8-cyl premium gasoline engine. It returns around 17 mpg (UK) / 14 mpg (US EPA) combined. Owners often keep a Infiniti QX56 workshop manual to hand for servicing and repairs.
Full Specifications
| Engine | 5.6L 8-cyl |
|---|---|
| Transmission | Automatic 5-spd |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | 4-Wheel Drive |
| Body Style | SUV |
| Fuel Economy (UK) | 17 combined / 14 urban / 20 extra-urban mpg |
| Fuel Economy (US EPA) | 14 combined / 12 city / 17 highway mpg |
| CO₂ Emissions | 394 g/km |
| EPA Est. Annual Fuel Cost | $5,850 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2010 Infiniti QX56, all with the 5.6L 8-cyl engine. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 5.6L 8-cyl | Automatic 5-spd | 4-Wheel Drive | 17 | 14 (12/17) | 394 | $5,850 |
| 5.6L 8-cyl | Automatic 5-spd | Rear-Wheel Drive | 17 | 14 (12/18) | 394 | $5,850 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
Owner Essentials for the 2010 Infiniti QX56
Running Costs: 2010 Infiniti QX56
Covering around 8,000 miles a year in a 2010 Infiniti QX56 at 17 mpg combined, expect roughly 2,139 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $5,850 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Planning a road trip? Grab a road trip packing list. Only need this car occasionally? See our buy vs rent comparison.
2010 Infiniti QX56 Safety Ratings (NHTSA)
No NHTSA crash-test rating is on record for this model year. The NHTSA rates only a subset of vehicles each year; you can browse every rated vehicle on our NHTSA Safety Ratings hub.
Recalls & Owner Complaints (NHTSA)
NHTSA lists 3 safety recall campaigns that include the 2010 Infiniti QX56 (as of 6 October 2026). Most affected areas: Suspension (2), Service brakes (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Suspension — campaign 10E019000, reported 20 May 2010. Risk: IF THE COLLAR WELD SEPARATES, THE VEHICLE HANDLING WILL DETERIORATE, POSSIBLY RESULTING IN A VEHICLE CRASH.
- Suspension — campaign 10V208000, reported 14 May 2010. Risk: IF THE COLLAR WELD SEPARATES, THE VEHICLE HANDLING WILL DETERIORATE, POSSIBLY RESULTING IN A VEHICLE CRASH.
- Service brakes — campaign 10V072000, reported 2 March 2010. Risk: THE DRIVER WILL EXPERIENCE UNUSUAL AND NOTICEABLE LOOSENESS IN THE PEDAL AND A REDUCTION IN BRAKING FORCE INCREASING THE RISK OF A CRASH.
Owners have filed 25 complaints with NHTSA about the 2010 Infiniti QX56. The most-reported areas are Air bags (6), Steering (6), Electrical system (3). Complaints include 2 reported crashes, 2 reported injuries.
Used-buyer checklist for the 2010 Infiniti QX56
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Suspension (2 recall campaigns) — Listen for knocks over bumps and check tyre wear for signs of alignment problems.
- Brakes (1 recall campaign) — Brake firmly from speed and look for pulling, vibration or a soft pedal; ask for brake service history.
- Air bags (6 owner complaints) — Confirm any air bag inflator or module recalls were completed — enter the VIN at nhtsa.gov/recalls.
- Steering (6 owner complaints) — Check for play, noise or heavy steering, and ask whether any steering recall work was done.
Source: US NHTSA recall and consumer-complaint databases, retrieved 6 October 2026. Complaints are unverified owner reports, not confirmed defects. Check any vehicle by VIN at nhtsa.gov/recalls, and see our guide to checking a used car for recalls.
How It Compares
How does the Infiniti QX56 compare to similar SUVs? For context, SUVs in our database average around 27 mpg (UK) combined — this model's 17 mpg figure is 10 mpg below that average. Its 394 g/km CO₂ figure is 141 g/km higher than the 253 g/km average for SUVs on this site. This comparison is based on 1824 SUVs in our dataset.
Infiniti models in our database average about 26 mpg (UK) combined on their most efficient configuration; the 2010 Infiniti QX56's 17 mpg is 9 mpg below that make average. Its 394 g/km CO₂ figure is 131 g/km higher than the 263 g/km Infiniti average.
Of the 4 Infiniti QX56 model years we cover, the 2010 ranks 4th for combined fuel economy on its best configuration (17 mpg UK combined, against a high of 19 mpg). See every Infiniti QX56 year side by side.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2010 Infiniti QX56
Frequently Asked Questions
What engine does the 2010 Infiniti QX56 have?
It's fitted with a 5.6L 8-cyl premium gasoline engine, paired with a automatic 5-spd transmission.
What is the fuel economy of the 2010 Infiniti QX56?
The most efficient configuration returns around 17 mpg (UK) combined, or 14 mpg on the US EPA cycle.
How much does the 2010 Infiniti QX56 cost to fuel per year?
The US EPA estimates about $5,850 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
Does the 2010 Infiniti QX56 have any recalls?
NHTSA lists 3 safety recall campaigns that include the 2010 Infiniti QX56 (as of 6 October 2026). Most affected areas: Suspension (2), Service brakes (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
What are the most common problems reported for the 2010 Infiniti QX56?
Among the 25 owner complaints filed with NHTSA, the most-reported areas are Air bags (6 complaints), Steering (6 complaints), Electrical system (3 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
Is the Infiniti QX56's fuel economy good for an SUV?
It returns around 17 mpg (UK) combined, against a same-body-style average of roughly 27 mpg among the SUVs we track.