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BYD Dolphin Surf (43.2 kWh) or SEAT Ibiza (1.0 TSI 115): which costs less to own in Spain?

As of 1 July 2026, over 5 years in Spain (9,000 km/year), the SEAT Ibiza (1.0 TSI 115) is still the cheaper car to own: about €20,449 versus €23,728 for the BYD Dolphin Surf (43.2 kWh), a gap of €3,279.

Plan MOVES III (Spain's EV purchase grant): up to €7,000 towards a new electric car if you scrap an old vehicle (up to €4,500 without scrappage), as long as the pre-VAT price doesn't exceed €45,000. It's administered by the comunidades autónomas (regional governments), so deadlines, available budget and paperwork vary by where you live — and it's usually taxed as income (IRPF) the following year. Not every buyer receives it, nor the maximum amount, so we show it separately and do not deduct it from the total cost shown above. Source: IDAE / the Plan MOVES III Real Decreto (royal decree), as of . Confirm the amount and the remaining budget in your region before you buy.

Cheaper over 5 years · SpainSEAT Ibiza (1.0 TSI 115) · €20,449 total · that's €3,279 less than the BYD Dolphin Surf (43.2 kWh)

BYD Dolphin Surf (43.2 kWh) vs SEAT Ibiza (1.0 TSI 115) — Where your money goes

BYD Dolphin Surf (43.2 kWh) vs SEAT Ibiza (1.0 TSI 115) — 5-year total cost (EUR)
Cost componentElectric · BYD Dolphin SurfPetrol · SEAT Ibiza
Depreciation (estimated)€13,692 (58%)€9,149 (45%)
Charging / fuel€2,127 (9%)€3,416 (17%)
↳ of which charging loss12% (~€255)
Maintenance€1,840 (8%)€2,565 (13%)
Insurance€3,100 (13%)€2,400 (12%)
Financing interest€2,968 (13%)€2,919 (14%)
Registration & fees€0 (0%)€0 (0%)
Total cost of ownership€23,728€20,449

When is the EV worth it?

The electric car becomes worth it once you drive more than 23,500 km/year or keep it longer than 13 years — from there, the lower running costs make up for the higher purchase price.

BYD Dolphin Surf (43.2 kWh) vs SEAT Ibiza (1.0 TSI 115) — Head-to-head

Electric

BYD Dolphin Surf (43.2 kWh)

5-year total cost
€23,728
per month
€395
€/km
€0.53
Purchase price
€18,780
Drivetrain
Electric
Consumption
16 kWh/100km
Petrol Cheaper over 5 years

SEAT Ibiza (1.0 TSI 115)

5-year total cost
€20,449
per month
€341
€/km
€0.45
Purchase price
€18,520
Drivetrain
Petrol
Consumption
5,2 L/100km
Electricity price
0.20 €/kWh REE/CNMC
Fuel price
1.46 €/l geoportalgasolineras

FAQ

Is the BYD Dolphin Surf (43.2 kWh) or the SEAT Ibiza (1.0 TSI 115) cheaper to own over 5 years?

As of 1 July 2026, over 5 years in Spain (9,000 km/year), the SEAT Ibiza (1.0 TSI 115) is still the cheaper car to own: about €20,449 versus €23,728 for the BYD Dolphin Surf (43.2 kWh), a gap of €3,279.

When does the BYD Dolphin Surf (43.2 kWh) become cheaper than the SEAT Ibiza (1.0 TSI 115)?

The electric car becomes worth it once you drive more than 23,500 km/year or keep it longer than 13 years — from there, the lower running costs make up for the higher purchase price.

How much more does the BYD Dolphin Surf (43.2 kWh) cost to buy than the SEAT Ibiza (1.0 TSI 115)?

The BYD Dolphin Surf (43.2 kWh) starts at €18,780 — €260 more than the SEAT Ibiza (1.0 TSI 115) (€18,520). Over 5 years, the ownership-cost gap is €3,279 in favour of the SEAT Ibiza (1.0 TSI 115).

Which costs less per km: the BYD Dolphin Surf (43.2 kWh) or the SEAT Ibiza (1.0 TSI 115)?

The SEAT Ibiza (1.0 TSI 115): €0.53 versus €0.45 per km, all-in (€395 versus €341 per month).

Full breakdown