Infiniti QX55 Ownership Cost Calculator 2026
Pre-filled with real Infiniti QX55 specs. Estimate your Infiniti QX55 5-year cost of ownership — depreciation, fuel, insurance, maintenance, loan, and residual value — then compare against same-class rivals side by side.
Year-by-Year Cost Breakdown — Infiniti QX55
| Year | Start Value | Depreciation | Fuel | Insurance | Maint. | Reg | Loan Pmt | Yr Out-of-Pkt | Cumulative | End Value |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | $52,000 | −$9,360 | $1,949 | $3,000 | $1,300 | $150 | $10,594 | $16,993 | $27,393 | $42,640 |
| 2 | $42,640 | −$6,240 | $1,949 | $3,000 | $1,300 | $150 | $10,594 | $16,993 | $44,386 | $36,400 |
| 3 | $36,400 | −$5,720 | $1,949 | $3,000 | $1,300 | $150 | $10,594 | $16,993 | $61,379 | $30,680 |
| 4 | $30,680 | −$4,680 | $1,949 | $3,000 | $1,300 | $150 | $10,594 | $16,993 | $78,372 | $26,000 |
| 5 | $26,000 | −$3,640 | $1,949 | $3,000 | $1,300 | $150 | $10,594 | $16,993 | $95,365 | $22,360 |
| 5-yr total | — | −$29,640 | $9,744 | $15,000 | $6,500 | $750 | $52,971 | $95,365 | — | $22,360 |
Combined 25 MPG (EPA). Depreciation uses a luxury segment-average retention curve (editable). Figures are estimates for planning, not a quote.
Infiniti QX55 — Base Parameters
Powertrain
- Engine2.0L VC-Turbo I4 (KR20DDET)
- DrivetrainAWD
- Fuelgas
- Market years2022-2024
EPA Efficiency
- City22 MPG
- Highway28 MPG
- Combined25 MPG
- Source year2022
Trims & MSRP
- Base (entry trim)$47,000
- Popular (mid trim)$52,000
- Top (fully loaded)$57,000
Same-Segment Cost Comparison
Every model below is modeled with identical assumptions (Popular trim, 20% down, 5-year loan at the national average new-car APR, 12,000 miles/year, national average tax & insurance). This apples-to-apples view is exclusive to VehCalc — manufacturer sites and KBB do not show it side by side.
| Model | Popular MSRP | 5-Yr Cost to Own | Avg / Year | Residual (5 yr) | Cost / Mile |
|---|---|---|---|---|---|
| Infiniti QX55 (this car) | $52,000 | $73,005 | $14,601 | $22,360 | $1.22 |
| BMW 4 Series | $52,000 | $71,661 | $14,332 | $22,360 | $1.19 |
| Lexus RX | $52,500 | $74,246 | $14,849 | $22,575 | $1.24 |
| Cadillac XT5 | $51,000 | $73,063 | $14,613 | $21,930 | $1.22 |
| Mercedes-Benz C-Class Hybrid | $51,000 | $71,494 | $14,299 | $21,930 | $1.19 |
Infiniti QX55 Reliability, Fault Codes & Maintenance Specs
Model-specific diagnostic data for the Infiniti QX55 (2022-2024 (1st Gen J55C), 2022-2024): known OBD-II trouble codes, symptom-to-fix mapping, model-year issues, and the factory maintenance specification sheet. Print it and hand it to your technician.
OBD-II fault codes
5 codes logged for this platform, with the cause most often seen on the 2.0L VC-Turbo I4 (KR20DDET).
| Code | Description | Common cause here | Severity |
|---|---|---|---|
| P0234 | Turbocharger/Supercharger Overboost Condition | Wastegate actuator sticking, turbo control solenoid | High |
| P0011 | Camshaft Position A - Timing Over-Advanced (Bank 1) | Dirty VCT phaser / oil control valve | Medium |
| P0300 | Random/Multiple Cylinder Misfire | Carbon-fouled intake valves, worn spark plugs | High |
| P0299 | Turbocharger/Supercharger Underboost | Wastegate rattle, cracked charge pipe, degraded turbo | Medium |
| P0420 | Catalyst System Efficiency Below Threshold (Bank 1) | Catalyst aging from rich turbo mixture | Low |
Symptoms, causes & fixes
What owners actually report, what it turns out to be, and what the repair involves.
| Symptom | Root cause | Fix | Model years |
|---|---|---|---|
| VC-Turbo oil consumption | Variable compression engine wear | Oil consumption test | 2022-2023 |
| CVT hesitation | CVT calibration | TCM update | 2022-2023 |
| VC-Turbo engine oil consumption | Variable compression mechanism wear | Oil consumption test. | 2022-2024 |
| Turbo wastegate rattle | Wastegate actuator | Turbo inspection. | 2022-2024 |
Common problems owners report
Recurring complaints for this model, summarized from owner-reported fault patterns.
- VC-Turbo oil consumption
- CVT reliability
- Infotainment lag
- Brake pad wear
Factory maintenance specification sheet
Spec-grade values for the Infiniti QX55. Verify against your owner's manual before service.
| Engine oil grade | 0W-20 |
| Oil capacity (with filter) | 5 qt |
| Oil change interval | 5,000 mi |
| Spark plug interval | 60,000 mi |
| Tire size | 255/55R19 |
| Tire pressure (cold) | 33 psi |
| Tire rotation interval | 5,000 mi |
| Air filter interval | 30,000 mi |
| Coolant service interval | 60,000 mi |
| Brake fluid interval | 30,000 mi |
| 12V battery group | Group 35 |
| Battery cold-cranking amps | 600 CCA |
Powertrain & drivetrain identity
Confirm your exact configuration before ordering parts or booking service.
| Engine / motor | 2.0L VC-Turbo I4 (KR20DDET) |
| Drivetrain | AWD |
| Body style | SUV |
| Generation | 2022-2024 (1st Gen J55C) |
| Market years | 2022-2024 |
| Original MSRP range | $47,000-$57,000 |
| Market | US/CA |
Data sources & methodology
- OBD-II code definitionsSAE J2012 / ISO 15031-6 standardized powertrain diagnostic trouble codes, with platform-specific causes matched against the model in this dataset. Retrieved August 29, 2026.
- Fuel economy & MPGeU.S. Environmental Protection Agency fuel-economy data (fueleconomy.gov), model-year matched where available. Retrieved August 29, 2026.
- Maintenance specificationsFactory scheduled-maintenance intervals, fluid grades, tire sizes, and battery group sizes compiled per model. Retrieved August 29, 2026.
- Defects, recalls & technical service bulletinsNational Highway Traffic Safety Administration (NHTSA) defect and recall records. Retrieved August 29, 2026.
Methodology and citations are maintained by the VehCalc editorial team. Where an official schedule is not yet loaded, results are shown as model estimates and the source is stated as a reference.
Infiniti QX55 — Common Ownership Questions
What is the Infiniti QX55 5-year cost of ownership in 2026?
Based on a Popular-trim purchase at $52,000 with a 20% down payment, a 5-year loan at the national average new-car APR, 12,000 miles per year, and national average tax and insurance, the estimated 5-year cost of ownership is $73,005 — about $14,601 per year — with an estimated $22,360 residual value after 5 years. Use the calculator above to tailor it to your state, down payment, and mileage.
How much does a Infiniti QX55 depreciate each year?
The QX55 sits in the luxury segment. Applying a segment-average retention curve, it is estimated to keep roughly 82% of its value after the first year and 43% after five years. Depreciation is typically the single largest ownership cost, which is why our calculator shows it year by year alongside every other expense.
What is the Infiniti QX55 MSRP and which trims are available?
The QX55 ranges from $47,000 (Base (entry trim)) to $57,000 (Top (fully loaded)). Trims shown: Base (entry trim) ($47,000); Popular (mid trim) ($52,000); Top (fully loaded) ($57,000). Select a trim in the calculator to recompute costs instantly.
What are the Infiniti QX55 real-world fuel costs?
EPA combined rating is 25 MPG (city 22 / highway 28). At the 2026 national average of $4.06/gal and 12,000 miles per year, fuel runs about $1,949 per year, or $9,744 over 5 years.
Does the Infiniti QX55 qualify for any tax credits?
The QX55 is a gas vehicle, so federal EV credits do not apply. State-level incentives, if any, are listed on each state's page — select your state in the calculator to see local tax and fee impact.
How do Infiniti QX55 ownership costs compare with rivals?
See the side-by-side comparison table on this page. We model the QX55 against BMW 4 Series, Lexus RX, Cadillac XT5, Mercedes-Benz C-Class Hybrid using identical assumptions — same annual miles, down payment, and loan terms — so the difference is truly apples-to-apples. That is data the manufacturer's site and KBB do not show side by side.
What are the most common Infiniti QX55 problems?
Owners of the Infiniti QX55 (2022-2024) most often report: VC-Turbo oil consumption; CVT reliability; Infotainment lag; Brake pad wear. Each is broken down with its root cause and the repair path in the reliability section above.
Which OBD-II codes does the Infiniti QX55 throw most often?
The codes logged most frequently for this platform are P0234 (Turbocharger/Supercharger Overboost Condition), P0011 (Camshaft Position A - Timing Over-Advanced (Bank 1)), P0300 (Random/Multiple Cylinder Misfire). The full list with the cause usually found on the 2.0L VC-Turbo I4 (KR20DDET) and a low/medium/high severity rating is in the fault-code table above.
Why does my Infiniti QX55 vC-Turbo oil consumption?
On this model the usual cause is variable compression engine wear. The typical repair is oil consumption test (reported on 2022-2023 cars). The symptoms table above lists every reported fault for this platform.
What are the Infiniti QX55 service intervals and fluid specs?
Factory spec is 0W-20 oil (5 qt) changed every 5,000 miles, 255/55R19 tires at 33 psi cold rotated every 5,000 miles, air filter every 30,000 miles, coolant every 60,000 miles, spark plugs every 60,000 miles, and a group 35 battery at 600 CCA. The full spec sheet is above and printable.