Mazda MX-5 Miata Ownership Cost Calculator 2026
Pre-filled with real Mazda MX-5 Miata specs. Estimate your Mazda MX-5 Miata 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 — Mazda MX-5 Miata
| Year | Start Value | Depreciation | Fuel | Insurance | Maint. | Reg | Loan Pmt | Yr Out-of-Pkt | Cumulative | End Value |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | $33,500 | −$5,025 | $1,680 | $3,500 | $1,600 | $150 | $6,825 | $13,755 | $20,455 | $28,475 |
| 2 | $28,475 | −$3,015 | $1,680 | $3,500 | $1,600 | $150 | $6,825 | $13,755 | $34,210 | $25,460 |
| 3 | $25,460 | −$3,015 | $1,680 | $3,500 | $1,600 | $150 | $6,825 | $13,755 | $47,965 | $22,445 |
| 4 | $22,445 | −$2,680 | $1,680 | $3,500 | $1,600 | $150 | $6,825 | $13,755 | $61,720 | $19,765 |
| 5 | $19,765 | −$2,345 | $1,680 | $3,500 | $1,600 | $150 | $6,825 | $13,755 | $75,475 | $17,420 |
| 5-yr total | — | −$16,080 | $8,400 | $17,500 | $8,000 | $750 | $34,125 | $75,475 | — | $17,420 |
Combined 29 MPG (EPA). Depreciation uses a sports segment-average retention curve (editable). Figures are estimates for planning, not a quote.
Mazda MX-5 Miata — Base Parameters
Powertrain
- Engine2.0L I4 (Skyactiv-G)
- DrivetrainRWD
- Fuelgas
- Market years2019-2024
EPA Efficiency
- City26 MPG
- Highway34 MPG
- Combined29 MPG
- Source year2021
Trims & MSRP
- Base (entry trim)$29,000
- Popular (mid trim)$33,500
- Top (fully loaded)$38,000
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 |
|---|---|---|---|---|---|
| Mazda MX-5 Miata (this car) | $33,500 | $58,055 | $11,611 | $17,420 | $0.97 |
| Ford Mustang EcoBoost | $33,000 | $59,456 | $11,891 | $17,160 | $0.99 |
| Subaru BRZ | $31,000 | $58,981 | $11,796 | $16,120 | $0.98 |
| Toyota GR86 | $30,000 | $56,954 | $11,391 | $15,600 | $0.95 |
| Ford Mustang | $41,500 | $65,395 | $13,079 | $21,580 | $1.09 |
Mazda MX-5 Miata Reliability, Fault Codes & Maintenance Specs
Model-specific diagnostic data for the Mazda MX-5 Miata (2019-2024 (ND2), 2019-2024): 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 I4 (Skyactiv-G).
| Code | Description | Common cause here | Severity |
|---|---|---|---|
| P0301 | Cylinder 1 Misfire Detected | Carbon-fouled intake valve, worn ignition coil | Medium |
| P0011 | Camshaft Position A - Timing Over-Advanced (Bank 1) | Dirty VVT solenoid / oil control valve, low oil level | Medium |
| P0171 | System Too Lean (Bank 1) | Carbon-restricted intake runner, leaking PCV | Medium |
| P0420 | Catalyst System Efficiency Below Threshold (Bank 1) | Carbon-coated catalyst from GDI running condition | Low |
| P050D | Cold Start Rough Idle | Carbon buildup on intake valves disrupting airflow at cold start | 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 |
|---|---|---|---|
| Manual transmission notchy shifting when cold | Synchro design characteristic | Use GL-4 fluid; improves with warm-up | 2019-2024 |
| Rear differential whine | Ring and pinion wear | Differential fluid change; rebuild if persistent | 2020-2022 |
| Valve tick at idle (normal) | Direct injection characteristic | No fix; normal operation. | 2019-2024 |
Common problems owners report
Recurring complaints for this model, summarized from owner-reported fault patterns.
- Transmission notchy when cold
- Rear differential whine
- Soft top wear and leaks
- Valve tick at idle (normal)
Factory maintenance specification sheet
Spec-grade values for the Mazda MX-5 Miata. Verify against your owner's manual before service.
| Engine oil grade | 0W-20 |
| Oil capacity (with filter) | 4.2 qt |
| Oil change interval | 7,500 mi |
| Spark plug interval | 75,000 mi |
| Tire size | 195/50R16 |
| Tire pressure (cold) | 29 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 H5 |
| Battery cold-cranking amps | 500 CCA |
Powertrain & drivetrain identity
Confirm your exact configuration before ordering parts or booking service.
| Engine / motor | 2.0L I4 (Skyactiv-G) |
| Drivetrain | RWD |
| Body style | Coupe |
| Generation | 2019-2024 (ND2) |
| Market years | 2019-2024 |
| Original MSRP range | $29,000-$38,000 |
| 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.
Mazda MX-5 Miata — Common Ownership Questions
What is the Mazda MX-5 Miata 5-year cost of ownership in 2026?
Based on a Popular-trim purchase at $33,500 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 $58,055 — about $11,611 per year — with an estimated $17,420 residual value after 5 years. Use the calculator above to tailor it to your state, down payment, and mileage.
How much does a Mazda MX-5 Miata depreciate each year?
The MX-5 Miata sits in the sports segment. Applying a segment-average retention curve, it is estimated to keep roughly 85% of its value after the first year and 52% 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 Mazda MX-5 Miata MSRP and which trims are available?
The MX-5 Miata ranges from $29,000 (Base (entry trim)) to $38,000 (Top (fully loaded)). Trims shown: Base (entry trim) ($29,000); Popular (mid trim) ($33,500); Top (fully loaded) ($38,000). Select a trim in the calculator to recompute costs instantly.
What are the Mazda MX-5 Miata real-world fuel costs?
EPA combined rating is 29 MPG (city 26 / highway 34). At the 2026 national average of $4.06/gal and 12,000 miles per year, fuel runs about $1,680 per year, or $8,400 over 5 years.
Does the Mazda MX-5 Miata qualify for any tax credits?
The MX-5 Miata 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 Mazda MX-5 Miata ownership costs compare with rivals?
See the side-by-side comparison table on this page. We model the MX-5 Miata against Ford Mustang EcoBoost, Subaru BRZ, Toyota GR86, Ford Mustang 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 Mazda MX-5 Miata problems?
Owners of the Mazda MX-5 Miata (2019-2024) most often report: Transmission notchy when cold; Rear differential whine; Soft top wear and leaks; Valve tick at idle (normal). Each is broken down with its root cause and the repair path in the reliability section above.
Which OBD-II codes does the Mazda MX-5 Miata throw most often?
The codes logged most frequently for this platform are P0301 (Cylinder 1 Misfire Detected), P0011 (Camshaft Position A - Timing Over-Advanced (Bank 1)), P0171 (System Too Lean (Bank 1)). The full list with the cause usually found on the 2.0L I4 (Skyactiv-G) and a low/medium/high severity rating is in the fault-code table above.
Why does my Mazda MX-5 Miata manual transmission notchy shifting when cold?
On this model the usual cause is synchro design characteristic. The typical repair is use GL-4 fluid; improves with warm-up (reported on 2019-2024 cars). The symptoms table above lists every reported fault for this platform.
What are the Mazda MX-5 Miata service intervals and fluid specs?
Factory spec is 0W-20 oil (4.2 qt) changed every 7,500 miles, 195/50R16 tires at 29 psi cold rotated every 5,000 miles, air filter every 30,000 miles, coolant every 60,000 miles, spark plugs every 75,000 miles, and a group H5 battery at 500 CCA. The full spec sheet is above and printable.