Infiniti QX80 Ownership Cost Calculator 2026
Pre-filled with real Infiniti QX80 specs. Estimate your Infiniti QX80 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 QX80
| Year | Start Value | Depreciation | Fuel | Insurance | Maint. | Reg | Loan Pmt | Yr Out-of-Pkt | Cumulative | End Value |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | $78,500 | −$14,130 | $3,045 | $3,000 | $1,300 | $150 | $15,993 | $23,488 | $39,188 | $64,370 |
| 2 | $64,370 | −$9,420 | $3,045 | $3,000 | $1,300 | $150 | $15,993 | $23,488 | $62,676 | $54,950 |
| 3 | $54,950 | −$8,635 | $3,045 | $3,000 | $1,300 | $150 | $15,993 | $23,488 | $86,164 | $46,315 |
| 4 | $46,315 | −$7,065 | $3,045 | $3,000 | $1,300 | $150 | $15,993 | $23,488 | $109,652 | $39,250 |
| 5 | $39,250 | −$5,495 | $3,045 | $3,000 | $1,300 | $150 | $15,993 | $23,488 | $133,140 | $33,755 |
| 5-yr total | — | −$44,745 | $15,225 | $15,000 | $6,500 | $750 | $79,965 | $133,140 | — | $33,755 |
Combined 16 MPG (EPA). Depreciation uses a luxury segment-average retention curve (editable). Figures are estimates for planning, not a quote.
Infiniti QX80 — Base Parameters
Powertrain
- Engine5.6L V8 (VK56VD)
- Drivetrain4WD
- Fuelgas
- Market years2018-2024
EPA Efficiency
- City14 MPG
- Highway20 MPG
- Combined16 MPG
- Source year2021
Trims & MSRP
- Base (entry trim)$72,000
- Popular (mid trim)$78,500
- Top (fully loaded)$85,000
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 QX80 (this car) | $78,500 | $99,385 | $19,877 | $33,755 | $1.66 |
| Audi Q8 | $78,500 | $96,340 | $19,268 | $33,755 | $1.61 |
| BMW X5 | $73,500 | $96,457 | $19,291 | $31,605 | $1.61 |
| Porsche Macan | $73,500 | $91,817 | $18,363 | $31,605 | $1.53 |
| BMW M3 | $83,500 | $100,925 | $20,185 | $35,905 | $1.68 |
Infiniti QX80 — Common Ownership Questions
What is the Infiniti QX80 5-year cost of ownership in 2026?
Based on a Popular-trim purchase at $78,500 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 $99,385 — about $19,877 per year — with an estimated $33,755 residual value after 5 years. Use the calculator above to tailor it to your state, down payment, and mileage.
How much does a Infiniti QX80 depreciate each year?
The QX80 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 QX80 MSRP and which trims are available?
The QX80 ranges from $72,000 (Base (entry trim)) to $85,000 (Top (fully loaded)). Trims shown: Base (entry trim) ($72,000); Popular (mid trim) ($78,500); Top (fully loaded) ($85,000). Select a trim in the calculator to recompute costs instantly.
What are the Infiniti QX80 real-world fuel costs?
EPA combined rating is 16 MPG (city 14 / highway 20). At the 2026 national average of $4.06/gal and 12,000 miles per year, fuel runs about $3,045 per year, or $15,225 over 5 years.
Does the Infiniti QX80 qualify for any tax credits?
The QX80 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 QX80 ownership costs compare with rivals?
See the side-by-side comparison table on this page. We model the QX80 against Audi Q8, BMW X5, Porsche Macan, BMW M3 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.