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BYD Atto 2 vs Kia Seltos (petrol): 5-year cost to own (NZ)

Over 5 years in New Zealand (14,000 km/yr), as of July 9, 2026, the BYD Atto 2 is cheaper from day one — about $51,444 over 5 years vs $55,061 for the Kia Seltos (petrol), a $3,617 difference.

No EV purchase rebate in NZ (the Clean Car Discount ended Dec 2023), and EVs now pay Road User Charges (~NZ$76/1,000 km). Both are reflected honestly — the RUC is included in the totals above. Source: NZTA.

Cheaper to own over 5 years · NZBYD Atto 2 · $51,444 total · $3,617 less than the Kia Seltos (petrol)

BYD Atto 2 vs Kia Seltos (petrol) — where the money goes

5-year total cost of ownership by component, by vehicle (NZD). Estimates; sources dated in the methodology.
Cost componentElectric · BYD Atto 2Petrol · Kia Seltos
Depreciation (estimated)$23,194 (45%)$20,506 (37%)
Charging / fuel$5,801 (11%)$15,384 (28%)
↳ of which charging loss12% (~$696)
Maintenance$2,247 (4%)$4,501 (8%)
Insurance$7,000 (14%)$6,335 (12%)
Financing interest$6,957 (14%)$7,470 (14%)
Registration & fees$6,245 (12%)$865 (2%)
Total cost of ownership$51,444$55,061

When does the BYD Atto 2 win?

The BYD Atto 2 edges it — a real $3,617 saving over 5 years, though small enough that your own annual distance and home tariff decide it.

At 14,000 km/yr the BYD Atto 2 is already the cheaper car — drive more or keep it longer and its lead grows.

What decides the BYD Atto 2 vs Kia Seltos (petrol) verdict

One line outweighs everything else here: energy. It costs $5,801 of charging for the BYD Atto 2 against $15,384 of petrol for the Kia Seltos (petrol) — a $9,583 swing to the BYD Atto 2, bigger than the $3,617 that separates the two 5-year totals. On the BYD Atto 2, energy alone is 11% of its $51,444 total; on the Kia Seltos (petrol) it is 28% of $55,061.

  • Registration & fees: BYD Atto 2 $6,245, Kia Seltos (petrol) $865 — $5,380 the other way, to the Kia Seltos (petrol).
  • Depreciation: BYD Atto 2 $23,194, Kia Seltos (petrol) $20,506 — $2,688 the other way, to the Kia Seltos (petrol).
  • Maintenance: BYD Atto 2 $2,247, Kia Seltos (petrol) $4,501 — $2,254 more in the BYD Atto 2's favor.

The Kia Seltos (petrol)'s best answer is registration & fees, $5,380 back the other way — more than the final $3,617 gap on its own, but the remaining rows pull the verdict back to the BYD Atto 2. The Kia Seltos (petrol) starts $2,731 behind the BYD Atto 2 at the dealer, and ownership widens it — the 5-year gap grows to $3,617. The BYD Atto 2 is ahead from the first year — $914 after year 1 — and finishes year 5 with the full $3,617 lead; the cumulative lines never cross.

BYD Atto 2 vs Kia Seltos (petrol), side by side

Electric Lower 5-yr cost

BYD Atto 2

5-yr total cost
$51,444
Cost / month
$857
Cost / km
$0.74
Starting price
$39,990
Powertrain
Electric
Efficiency
16.5 kWh/100km
Petrol

Kia Seltos (petrol)

5-yr total cost
$55,061
Cost / month
$918
Cost / km
$0.79
Starting price
$42,721
Powertrain
Petrol
Efficiency
7.4 L/100km
NZ electricity
34.00c/kWh EA / MBIE
Petrol (NZ)
$2.97/L MBIE

FAQ

Is the BYD Atto 2 or the Kia Seltos (petrol) cheaper to own over 5 years in New Zealand?

The BYD Atto 2 is cheaper from day one — about $51,444 over 5 years vs $55,061 for the Kia Seltos (petrol), a $3,617 difference.

When does the BYD Atto 2 become cheaper than the Kia Seltos (petrol)?

At 14,000 km/yr the BYD Atto 2 is already the cheaper car — drive more or keep it longer and its lead grows.

How much more does the BYD Atto 2 cost to buy than the Kia Seltos (petrol)?

The BYD Atto 2 starts at $39,990 — $2,731 less than the Kia Seltos (petrol) ($42,721). Over 5 years the ownership gap is $3,617 in favour of the BYD Atto 2.

Which costs less per km — the BYD Atto 2 or the Kia Seltos (petrol)?

The BYD Atto 2: $0.74 vs $0.79 per km all-in ($857 vs $918 per month).

Full breakdowns