Honda Prologue Ownership Cost Calculator 2026
Pre-filled with real Honda Prologue specs. Estimate your Honda Prologue 5-year cost of ownership — depreciation, electricity, insurance, maintenance, loan, and residual value — then compare against same-class rivals side by side.
Year-by-Year Cost Breakdown — Honda Prologue
| Year | Start Value | Depreciation | Electricity | Insurance | Maint. | Reg | Loan Pmt | Yr Out-of-Pkt | Cumulative | End Value |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | $51,500 | −$11,330 | $653 | $2,200 | $500 | $150 | $10,492 | $13,995 | $24,295 | $40,170 |
| 2 | $40,170 | −$7,210 | $653 | $2,200 | $500 | $150 | $10,492 | $13,995 | $38,290 | $32,960 |
| 3 | $32,960 | −$5,665 | $653 | $2,200 | $500 | $150 | $10,492 | $13,995 | $52,285 | $27,295 |
| 4 | $27,295 | −$4,635 | $653 | $2,200 | $500 | $150 | $10,492 | $13,995 | $66,280 | $22,660 |
| 5 | $22,660 | −$3,605 | $653 | $2,200 | $500 | $150 | $10,492 | $13,995 | $80,275 | $19,055 |
| 5-yr total | — | −$32,445 | $3,264 | $11,000 | $2,500 | $750 | $52,461 | $80,275 | — | $19,055 |
Energy use derived from EPA 99 MPGe. Depreciation uses a ev segment-average retention curve (editable). Figures are estimates for planning, not a quote.
Honda Prologue — Base Parameters
Powertrain
- EngineUltium EV Powertrain
- DrivetrainAWD
- Fuelev
- Market years2024
EPA Efficiency
- MPGe (comb)99
- kWh / 100 mi34
- Source year2024
Trims & MSRP
- Base (entry trim)$48,000
- Popular (mid trim)$51,500
- Top (fully loaded)$55,000
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 |
|---|---|---|---|---|---|
| Honda Prologue (this car) | $51,500 | $61,220 | $12,244 | $19,055 | $1.02 |
| Ford Mustang Mach-E | $51,500 | $61,806 | $12,361 | $19,055 | $1.03 |
| Lexus RZ 450e | $52,000 | $61,405 | $12,281 | $19,240 | $1.02 |
| Chevrolet Blazer EV | $52,000 | $61,750 | $12,350 | $19,240 | $1.03 |
| Ford E-Transit | $52,500 | $62,655 | $12,531 | $19,425 | $1.04 |
Honda Prologue Reliability, Fault Codes & Maintenance Specs
Model-specific diagnostic data for the Honda Prologue (2024 (1st Gen), 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
6 codes logged for this platform, with the cause most often seen on the Ultium EV Powertrain.
| Code | Description | Common cause here | Severity |
|---|---|---|---|
| P0AA6 | Hybrid/EV Battery Isolation Fault | HV battery insulation breakdown, coolant leak into pack | High |
| P0AFA | HV Battery System Voltage Low | 12V battery failure preventing contactor closure | High |
| P0D61 | Drive Motor Inverter Performance | Inverter overheating, coolant pump failure | High |
| P1E00 | HV Battery Module Voltage Differential | Degraded battery cell module | Medium |
| U0100 | Lost Communication With ECM/PCM A | Software instability, gateway module reboot | Medium |
| B124E | HVAC Coolant Pump Control Circuit | Coolant pump failure affecting battery thermal management | Medium |
Symptoms, causes & fixes
What owners actually report, what it turns out to be, and what the repair involves.
| Symptom | Root cause | Fix | Model years |
|---|---|---|---|
| Software system issues | Early production | OTA update | 2024 |
| Vehicle will not "start" — no contactor click | 12V battery degraded below threshold to close HV contactors | Replace 12V battery. Do NOT jump from another EV; use dedicated 12V jump per OEM procedure. | 2024 |
| DC fast charging slower than expected, especially in cold | Battery thermal management limiting charge to protect cells | Pre-condition battery via navigation to charger (Tesla/OEM app). Accept slower L2 in extreme cold. | 2024 |
| Range drops 30-40% in winter | Cold battery chemistry plus cabin heating load | Pre-heat cabin while plugged in. Use seat/steering heat instead of full cabin HVAC. Park indoors when possible. | 2024 |
| Infotainment black screen or reboot loop | Software instability, APIM/module failure | Soft reset (scroll wheels); if persistent, software update or module replacement at dealership. | 2024 |
| 12V battery drain when parked | Telematics module not sleeping, sentry/cabin camera active | Disable sentry/cabin camera when parked at home. Software update for telematics sleep issue. | 2024 |
Model-year issues
Problems tied to a specific production window rather than the whole generation.
| Years | Issue | Fix | Status |
|---|---|---|---|
| 2022-2023 | Software system instability on early Ultium models | OTA updates | Check with dealer |
Common problems owners report
Recurring complaints for this model, summarized from owner-reported fault patterns.
- Software issues
- 12V battery
- DC charging
- Infotainment
Factory maintenance specification sheet
Spec-grade values for the Honda Prologue. Verify against your owner's manual before service.
| Tire size | 255/55R19 |
| Tire pressure (cold) | 38 psi |
| Tire rotation interval | 7,500 mi |
| Brake fluid interval | 30,000 mi |
| 12V battery group | Group H7 |
| Battery cold-cranking amps | 760 CCA |
Powertrain & drivetrain identity
Confirm your exact configuration before ordering parts or booking service.
| Engine / motor | Ultium EV Powertrain |
| Drivetrain | AWD |
| Body style | SUV |
| Generation | 2024 (1st Gen) |
| Market years | 2024 |
| Original MSRP range | $48,000-$55,000 |
| 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.
Honda Prologue — Common Ownership Questions
What is the Honda Prologue 5-year cost of ownership in 2026?
Based on a Popular-trim purchase at $51,500 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 $61,220 — about $12,244 per year — with an estimated $19,055 residual value after 5 years. Use the calculator above to tailor it to your state, down payment, and mileage.
How much does a Honda Prologue depreciate each year?
The Prologue sits in the ev segment. Applying a segment-average retention curve, it is estimated to keep roughly 78% of its value after the first year and 37% 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 Honda Prologue MSRP and which trims are available?
The Prologue ranges from $48,000 (Base (entry trim)) to $55,000 (Top (fully loaded)). Trims shown: Base (entry trim) ($48,000); Popular (mid trim) ($51,500); Top (fully loaded) ($55,000). Select a trim in the calculator to recompute costs instantly.
Is the Honda Prologue eligible for a federal or state EV tax credit in 2026?
The federal clean-vehicle tax credit ended September 30, 2025, so new EVs no longer qualify at the point of sale in 2026. Some states and local utilities still offer rebates — check your state's page for current incentives. The Prologue's lower energy and maintenance costs help offset the lost federal credit.
What are the Honda Prologue energy costs?
The Prologue is EPA-rated at 99 MPGe, about 34 kWh per 100 miles. At the 2026 U.S. average of $0.16/kWh that is roughly $3,264 in electricity over 5 years (12,000 miles/year). EVs also skip oil changes, lowering maintenance.
How do Honda Prologue ownership costs compare with rivals?
See the side-by-side comparison table on this page. We model the Prologue against Ford Mustang Mach-E, Lexus RZ 450e, Chevrolet Blazer EV, Ford E-Transit 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 Honda Prologue problems?
Owners of the Honda Prologue (2024) most often report: Software issues; 12V battery; DC charging; Infotainment. Each is broken down with its root cause and the repair path in the reliability section above.
Which OBD-II codes does the Honda Prologue throw most often?
The codes logged most frequently for this platform are P0AA6 (Hybrid/EV Battery Isolation Fault), P0AFA (HV Battery System Voltage Low), P0D61 (Drive Motor Inverter Performance). The full list with the cause usually found on the Ultium EV Powertrain and a low/medium/high severity rating is in the fault-code table above.
Why does my Honda Prologue software system issues?
On this model the usual cause is early production. The typical repair is oTA update (reported on 2024 cars). The symptoms table above lists every reported fault for this platform.
Are there model-year-specific Honda Prologue issues I should check before buying used?
Yes — 2022-2023 cars are associated with software system instability on early Ultium models. Recommended action: oTA updates Ask the seller or dealer whether this was performed. The model-year table above lists all known production-window issues.
What are the Honda Prologue service intervals and fluid specs?
Factory spec calls for 255/55R19 tires at 38 psi cold, tire rotation every 7,500 miles, brake fluid every 30,000 miles, and a 12V auxiliary battery of group H7 at 760 CCA. As an EV there is no engine oil or spark plug service. The full spec sheet is above and printable.