Analysing market data
Fetching listings · computing fair value · building charts
Analysing market data
Fetching listings · computing fair value · building charts
Market Intelligence
Diesel
34 days avg on market · Low data confidence
No ROI listings currently available
There are 2 NI listings for this model. Switch to "All" or "NI" source filter above to see pricing data.
Updated 13h ago · ROI · Low confidence
Median listing price
€13,250
private sale ~€10,505 Pricing assumptionsAssumptions· Good condition, full service history· No outstanding finance or damage· Based on ads seen in the past 30 days
Est. trade-in
€7,840 – €9,520
15–30% below private sale
Avg mileage
171k km
typical 175k km
Days listed
34d
avg on market · demand 58/100
AI-generated analysis · Carintel.ie · verify independently before purchasing
2018 Kia Optima · Diesel · per year
Estimated annual cost
€5,061/yr
Per month
€422/mo
Depreciation
€2,305
46% of total
Fuel / electricity
€1,936
38% of total
Maintenance
€620
12% of total
Road tax
€200
4% of total
Assumptions: Depreciation based on €13,250 current market median at 17.4%/yr (regression from 15 listings across multiple years). Fuel cost assumes 16,000 km/yr (CSO Ireland average), Irish fuel prices. Road tax uses Irish CO2-based motor tax bands (NEDC regime). Maintenance is an AI estimate based on typical independent garage rates for this model.
16,000 km/yr · Ireland rates
Kia Optima 2018, all powertrain variants
Market-level estimateAll available fuel types sorted cheapest to run · WLTP figures where available · current market highlighted
5.5 L/100 km, diesel
median €13,250
Assumptions: 16,000 km/yr (CSO Ireland average). Fuel: petrol €2.00/L, diesel €2.20/L. EV: smart-night €0.17/kWh (80%), day €0.30/kWh (20%). PHEV split: 45% electric, 55% petrol. WLTP consumption figures used where available; real-world usage is typically 10-20% higher. Road tax uses Irish CO2-based motor tax bands (NEDC regime, 2008-2020 registrations).
AI estimate · Irish independent garage rates
€620
estimated per year
Diesel 2018 Optima requires discipline: regular AdBlue monitoring, DPF regeneration cycles, and fuel system vigilance are essential to avoid costly repairs. Budget an extra €300–400 annually if DPF or injector issues emerge.
AI-generated estimate · costs vary by usage and service history · not a financial forecast
4 year-cohort data points
This Kia Optima is depreciating 3.4% faster than the industry average, which may indicate oversupply in this segment.
Market rate from 4 year-cohort medians (log-linear trend). Industry rate: 14.0%/yr for Kia. Not a financial forecast.
Kia Optima · Diesel
by value score
Buyers also consider
Found this useful?
Sign up to our mailing list to stay up to date on new developments and features.
