Lexus RX Ownership Cost Calculator 2026
Pre-filled with real Lexus RX specs. Estimate your Lexus RX 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 — Lexus RX
| Year | Start Value | Depreciation | Fuel | Insurance | Maint. | Reg | Loan Pmt | Yr Out-of-Pkt | Cumulative | End Value |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | $52,500 | −$9,450 | $2,118 | $3,000 | $1,300 | $150 | $10,696 | $17,264 | $27,764 | $43,050 |
| 2 | $43,050 | −$6,300 | $2,118 | $3,000 | $1,300 | $150 | $10,696 | $17,264 | $45,028 | $36,750 |
| 3 | $36,750 | −$5,775 | $2,118 | $3,000 | $1,300 | $150 | $10,696 | $17,264 | $62,293 | $30,975 |
| 4 | $30,975 | −$4,725 | $2,118 | $3,000 | $1,300 | $150 | $10,696 | $17,264 | $79,557 | $26,250 |
| 5 | $26,250 | −$3,675 | $2,118 | $3,000 | $1,300 | $150 | $10,696 | $17,264 | $96,821 | $22,575 |
| 5-yr total | — | −$29,925 | $10,591 | $15,000 | $6,500 | $750 | $53,480 | $96,821 | — | $22,575 |
Combined 23 MPG (EPA). Depreciation uses a luxury segment-average retention curve (editable). Figures are estimates for planning, not a quote.
Lexus RX — Base Parameters
Powertrain
- Engine3.5L V6 (2GR-FXS) Hybrid
- DrivetrainAWD
- Fuelhybrid
- Market years2016-2022
EPA Efficiency
- City20 MPG
- Highway27 MPG
- Combined23 MPG
- Source year2019
Trims & MSRP
- Base (entry trim)$47,000
- Popular (mid trim)$52,500
- Top (fully loaded)$58,000
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 |
|---|---|---|---|---|---|
| Lexus RX (this car) | $52,500 | $74,246 | $14,849 | $22,575 | $1.24 |
| Infiniti QX55 | $52,000 | $73,005 | $14,601 | $22,360 | $1.22 |
| BMW 4 Series | $52,000 | $71,661 | $14,332 | $22,360 | $1.19 |
| BMW X3 | $53,000 | $79,274 | $15,855 | $22,790 | $1.32 |
| Cadillac XT5 | $51,000 | $73,063 | $14,613 | $21,930 | $1.22 |
Lexus RX Reliability, Fault Codes & Maintenance Specs
Model-specific diagnostic data for the Lexus RX (2016-2022 (4th Gen AL20), 2016-2022): 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
4 codes logged for this platform, with the cause most often seen on the 3.5L V6 (2GR-FXS) Hybrid.
| Code | Description | Common cause here | Severity |
|---|---|---|---|
| P0171 | System Too Lean (Bank 1) | Dirty MAF or PCV valve | Medium |
| P0420 | Catalyst System Efficiency Below Threshold | Catalytic converter aging | Medium |
| P0AA6 | Hybrid Battery Isolation Fault | HV battery insulation breakdown | High |
| P0300 | Random/Multiple Cylinder Misfire | Ignition coil or carbon buildup | High |
Symptoms, causes & fixes
What owners actually report, what it turns out to be, and what the repair involves.
| Symptom | Root cause | Fix | Model years |
|---|---|---|---|
| Dashboard melting and cracking in heat | Dashboard material UV and heat degradation | Dashboard replacement under TSB; use sunshade | 2016-2019 |
| HV battery degradation — reduced MPG | HV battery cell aging after 8-10 years | Battery module replacement ($2,500-$4,000) | 2016-2018 |
| Power liftgate failure | Liftgate strut motor or position sensor | Replace power liftgate motor assembly | 2017-2020 |
| GPS/infotainment system outdated and laggy | Legacy infotainment hardware limitations | Software update; aftermarket head unit upgrade | 2016-2020 |
Model-year issues
Problems tied to a specific production window rather than the whole generation.
| Years | Issue | Fix | Status |
|---|---|---|---|
| 2016-2019 | Dashboard melting — UV/heat degradation Reference: TSB L-SB-0043-19 | Dashboard replacement | Resolved in later build |
| 2016-2018 | HV battery degradation after 100k miles Reference: Warranty extension | Battery module replacement | Check with dealer |
Common problems owners report
Recurring complaints for this model, summarized from owner-reported fault patterns.
- Dashboard melting in hot climates
- HV battery degradation at high mileage
- Power liftgate motor failure
- Infotainment system lag and outdated maps
Factory maintenance specification sheet
Spec-grade values for the Lexus RX. Verify against your owner's manual before service.
| Engine oil grade | 0W-20 |
| Oil capacity (with filter) | 5.7 qt |
| Oil change interval | 10,000 mi |
| Spark plug interval | 60,000 mi |
| Tire size | 235/65R18 |
| 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 H6 |
| Battery cold-cranking amps | 600 CCA |
Powertrain & drivetrain identity
Confirm your exact configuration before ordering parts or booking service.
| Engine / motor | 3.5L V6 (2GR-FXS) Hybrid |
| Drivetrain | AWD |
| Body style | SUV |
| Generation | 2016-2022 (4th Gen AL20) |
| Market years | 2016-2022 |
| Original MSRP range | $47,000-$58,000 |
| 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.
Lexus RX — Common Ownership Questions
What is the Lexus RX 5-year cost of ownership in 2026?
Based on a Popular-trim purchase at $52,500 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 $74,246 — about $14,849 per year — with an estimated $22,575 residual value after 5 years. Use the calculator above to tailor it to your state, down payment, and mileage.
How much does a Lexus RX depreciate each year?
The RX 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 Lexus RX MSRP and which trims are available?
The RX ranges from $47,000 (Base (entry trim)) to $58,000 (Top (fully loaded)). Trims shown: Base (entry trim) ($47,000); Popular (mid trim) ($52,500); Top (fully loaded) ($58,000). Select a trim in the calculator to recompute costs instantly.
What are the Lexus RX real-world fuel costs?
EPA combined rating is 23 MPG (city 20 / highway 27). At the 2026 national average of $4.06/gal and 12,000 miles per year, fuel runs about $2,118 per year, or $10,591 over 5 years.
Does the Lexus RX qualify for any tax credits?
The RX is a hybrid 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 Lexus RX ownership costs compare with rivals?
See the side-by-side comparison table on this page. We model the RX against Infiniti QX55, BMW 4 Series, BMW X3, Cadillac XT5 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 Lexus RX problems?
Owners of the Lexus RX (2016-2022) most often report: Dashboard melting in hot climates; HV battery degradation at high mileage; Power liftgate motor failure; Infotainment system lag and outdated maps. Each is broken down with its root cause and the repair path in the reliability section above.
Which OBD-II codes does the Lexus RX throw most often?
The codes logged most frequently for this platform are P0171 (System Too Lean (Bank 1)), P0420 (Catalyst System Efficiency Below Threshold), P0AA6 (Hybrid Battery Isolation Fault). The full list with the cause usually found on the 3.5L V6 (2GR-FXS) Hybrid and a low/medium/high severity rating is in the fault-code table above.
Why does my Lexus RX dashboard melting and cracking in heat?
On this model the usual cause is dashboard material UV and heat degradation. The typical repair is dashboard replacement under TSB; use sunshade (reported on 2016-2019 cars). The symptoms table above lists every reported fault for this platform.
Are there model-year-specific Lexus RX issues I should check before buying used?
Yes — 2016-2019 cars are associated with dashboard melting — UV/heat degradation (reference TSB L-SB-0043-19). Recommended action: dashboard replacement Later builds were corrected. The model-year table above lists all known production-window issues.
What are the Lexus RX service intervals and fluid specs?
Factory spec is 0W-20 oil (5.7 qt) changed every 10,000 miles, 235/65R18 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 H6 battery at 600 CCA. The full spec sheet is above and printable.