2022 Infiniti QX55 — Full Specifications
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The 2022 Infiniti QX55 is an SUV powered by a 2L 4-cyl turbo premium gasoline engine. It returns around 30 mpg (UK) / 25 mpg (US EPA) combined. Owners often keep a Infiniti QX55 workshop manual to hand for servicing and repairs.
Full Specifications
| Engine | 2L 4-cyl turbo |
|---|---|
| Transmission | Automatic (AV-S8) |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | All-Wheel Drive |
| Body Style | SUV |
| Fuel Economy (UK) | 30 combined / 26 urban / 34 extra-urban mpg |
| Fuel Economy (US EPA) | 25 combined / 22 city / 28 highway mpg |
| CO₂ Emissions | 226 g/km |
| EPA Greenhouse Gas Score | 5 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $3,300 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 1 configuration for the 2022 Infiniti QX55, all with the 2L 4-cyl turbo 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 |
|---|---|---|---|---|---|---|
| 2L 4-cyl turbo | Automatic (AV-S8) | All-Wheel Drive | 30 | 25 (22/28) | 226 | $3,300 |
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 2022 Infiniti QX55
Running Costs: 2022 Infiniti QX55
Covering around 8,000 miles a year in a 2022 Infiniti QX55 at 30 mpg combined, expect roughly 1,212 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $3,300 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.
2022 Infiniti QX55 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 1 safety recall campaign that include the 2022 Infiniti QX55 (as of 6 October 2026). Most affected areas: Engine and engine cooling (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Engine and engine cooling — campaign 25V437000, reported 27 June 2025. Risk: Engine failure increases the risk of a crash. A bearing failure may cause a breach in the engine block, allowing hot oil to be discharged, increasing the risk of an engine fire.
Owners have filed 9 complaints with NHTSA about the 2022 Infiniti QX55. The most-reported areas are Engine (4), Structure (1), Fuel/propulsion system (1).
Used-buyer checklist for the 2022 Infiniti QX55
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Engine cooling (1 recall campaign) — Check coolant level, look for leaks and make sure the temperature stays steady in traffic.
- Engine (4 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
- Body structure (1 owner complaint) — Inspect for corrosion and for subframe or body-panel damage, especially underneath.
- Fuel system (1 owner complaint) — Ask whether any fuel-pump or fuel-system recalls were completed, and watch for hard starting or stalling.
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 QX55 compare to similar SUVs? For context, SUVs in our database average around 27 mpg (UK) combined — this model's 30 mpg figure is 3 mpg better than that average. Its 226 g/km CO₂ figure is 27 g/km lower 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 2022 Infiniti QX55's 30 mpg is 4 mpg above that make average. Its 226 g/km CO₂ figure is 37 g/km lower than the 263 g/km Infiniti average.
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 2022 Infiniti QX55
Frequently Asked Questions
What engine does the 2022 Infiniti QX55 have?
It's fitted with a 2L 4-cyl turbo premium gasoline engine, paired with a automatic (av-s8) transmission.
What is the fuel economy of the 2022 Infiniti QX55?
The most efficient configuration returns around 30 mpg (UK) combined, or 25 mpg on the US EPA cycle.
How much does the 2022 Infiniti QX55 cost to fuel per year?
The US EPA estimates about $3,300 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 2022 Infiniti QX55 have any recalls?
NHTSA lists 1 safety recall campaign that include the 2022 Infiniti QX55 (as of 6 October 2026). Most affected areas: Engine and engine cooling (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 2022 Infiniti QX55?
Among the 9 owner complaints filed with NHTSA, the most-reported areas are Engine (4 complaints), Structure (1 complaint), Fuel/propulsion system (1 complaint). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
Is the Infiniti QX55's fuel economy good for an SUV?
Yes — it returns around 30 mpg (UK) combined, against a same-body-style average of roughly 27 mpg among the SUVs we track, making it one of the more efficient options in its class.