COE renewal or sell: the actual math

2 July 2026 · 6 min read · PaperValue.sg

GuideCOEPARF

Your COE is running out and everyone has an opinion. The workshop uncle says renew — the car still drives perfectly. The dealer says sell now — he'll even give you a "special price." Forum threads say COE renewal is a scam. Other forum threads say new cars are the scam.

Ignore all of them. This is a math problem, and the math has three parts: what renewal costs, what renewal destroys, and what your car earns you if you sell instead. Most people only look at the first one.

What renewal costs: the PQP

You don't bid for a renewal COE. You pay the Prevailing Quota Premium (PQP) — the moving average of the last three months of COE bidding results for your category. LTA publishes it monthly.

That has two consequences:

  1. The PQP lags the market. When premiums are climbing, the PQP is cheaper than bidding; when they're falling, it's more expensive. Watch the trend on our COE prices page before you commit.
  2. You can time it, a little. You can renew up to a month before expiry (and PQP is recalculated monthly), so if premiums just spiked, waiting a cycle can save real money.

What renewal destroys: your PARF rebate

This is the part the workshop uncle doesn't mention, because it's invisible.

Renewing the COE permanently forfeits your PARF rebate. Not delays it — deletes it. A car deregistered before its 10th birthday returns 50–75% of its ARF (for pre-Feb 2026 registrations). The moment you renew, that entitlement is gone, even if you deregister the next year.

If your ARF was $30,000, your PARF rebate at year 9–10 is $15,000. Renewal doesn't cost you just the PQP — it costs the PQP plus $15,000 you would have collected. Run your exact number in the free PARF calculator before making any decision. For many mass-market cars, the forfeited PARF is the single biggest line in the whole equation.

5-year vs 10-year renewal

  • 10-year renewal: full PQP. You can renew again at the end, and you can still sell the car with its fresh COE (renewed-COE cars have a real resale market — check the "COE renewed" rows on our model price pages).
  • 5-year renewal: half the PQP, but it's a one-way street — at the end of 5 years the car must be deregistered. No further renewal, and the shorter runway plus forced scrappage makes 5-year-renewed cars much harder to sell.

The 5-year option suits one profile: you're certain you want exactly a few more years out of a low-value car, then done.

The worked example

A 9.7-year-old Cat A car. ARF paid: $30,000. Assume PQP around $105,000 and the car would fetch $22,000 sold today (paper value plus a modest body premium).

Option A — sell now: you collect $22,000 and walk away.

Option B — renew 10 years: you pay ~$105,000 PQP and forfeit the ~$15,000 PARF you'd otherwise have collected. Real cost of the decision: about $120,000 for 10 more years of driving — $12,000 a year before rising maintenance on an ageing car, and your only exit value later is the prorated COE rebate.

Compare that $12,000+/year against the annual depreciation of a replacement. A used car depreciating $11,000/year with warranty coverage and a PARF rebate at the end often beats the renewal. But not always — for a car you love, with cheap parts and low mileage, in a high-PQP-but-falling market, renewal can win. That's why you run the numbers with your ARF, your PQP and your car's market value — not a forum anecdote about someone else's.

Use the depreciation calculator for the replacement-car side of the comparison.

The decision in four questions

  1. What's my forfeited PARF? (PARF calculator — 30 seconds)
  2. What's the current PQP, and is it trending up or down? (COE prices)
  3. What would my car sell for today? Get the number before dealers anchor you.
  4. What's the annual depreciation of my realistic replacement?

If (PQP + forfeited PARF) ÷ years kept is higher than the replacement's annual depreciation, sell.

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Frequently Asked Questions

What is the PQP (Prevailing Quota Premium)?

The PQP is the price of renewing a COE without bidding: a moving average of the last three months of COE bidding results for your category, published monthly by LTA. When premiums rise, the PQP lags below market; when they fall, it lags above.

Do I lose my PARF rebate if I renew my COE?

Yes, permanently. Renewing the COE forfeits the PARF rebate even if you deregister the car later. For a car with a $30,000 ARF on the pre-2026 schedule, that's up to $15,000 given up — often the deciding factor in the renew-or-sell math.

Can I renew my COE for 5 years instead of 10?

Yes, at half the PQP. But a 5-year renewal cannot be extended — the car must be deregistered at the end — and the forced scrappage makes the car very hard to resell. It only makes sense if you're certain you want exactly a few more years, then out.

What happens if my COE expires before I decide?

The car must be deregistered (scrapped or exported) — driving on an expired COE is illegal. You can renew up to the expiry date, and LTA allows late renewal within one month after expiry with a late fee, but the car cannot be driven in that window. Don't cut it that fine.

Can I still sell my car after renewing the COE?

Yes, if you renewed for 10 years — renewed-COE cars trade actively, priced mostly on remaining COE. A 5-year renewal effectively kills resale. Either way the PARF is already forfeited, so the sale price reflects COE paper value plus body only.

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