UK EV sales hit record 99,199 in September

Estimated reading time: 5 minutes · Last updated: 3 October 2026

UK EV sales jumped sharply in September, with 99,199 battery-electric vehicles (BEVs) registered, a 36.3% year‑on‑year rise that put BEVs at 28.3% of the new‑car market, the Society of Motor Manufacturers and Traders (SMMT) said. Strong deliveries and new model availability pushed overall registrations to 350,518 for the month, up 12.1% on September 2025. Plug‑in models together (BEVs plus plug‑in hybrids) accounted for 45.3% of September sales. This burst of demand sets a new monthly record and crystallises the policy question now under review: whether the UK’s 2026 ZEV mandate target of 33% is achievable without relying on the programme’s credit and borrowing flexibilities.

the UK still has the world’s toughest targets and highest energy costs.

Mike Hawes, SMMT chief executive

September’s numbers and where they came from

September produced the largest monthly EV tally on record in the UK. The SMMT’s preliminary figures show 350,518 new cars registered in the month, a 12.1% rise from September 2025, with the battery‑electric total at 99,199 units. Plug‑in hybrids also climbed strongly, contributing to the overall increase rather than petrol or conventional hybrids, which fell.

That monthly cadence matters because September is one of two months each year when new licence plates are introduced and registrations concentrate. The concentration amplifies end‑of‑quarter delivery patterns from manufacturers, so a single strong month can move market shares markedly. In this case, the plug‑in segment accounted for 45.3% of registrations in September, underlining how concentrated model launches and fleet scheduling are reshaping short‑term market statistics.

Which brands and models drove the surge

Tesla led on model volumes: the Model 3 recorded 9,929 registrations and the Model Y 5,946 in September, giving Tesla 15,875 units from those two nameplates. That pair represented about 16% of EVs registered in the month, and a large share of Tesla’s UK annual tally has been concentrated in quarter‑end delivery pushes.

Chinese and European makers also claimed top positions. BYD placed two models in the higher ranks with the Sealion 7 and the Seal each posting about 3,100 registrations, and the Jaecoo 7 — a Chery‑built SUV available in petrol and plug‑in hybrid forms — was the best‑selling car overall for the month at 10,813 units. The range and pricing of those models are changing buyer choices in the UK market.

What the ZEV 33% target means for the fourth quarter

Through nine months the UK had 454,945 EV registrations, equal to a 26.2% share of 1,739,253 new cars taken to date. The government’s ZEV framework sets a headline target of 33% for 2026. SMMT’s forecast for the full year is 2.183 million cars, and it has calculated that meeting the 33% headline would require an additional 265,000 EV registrations in the final quarter.

Using the SMMT full‑year forecast and year‑to‑date registrations leaves roughly 444,000 vehicles expected to be registered between October and December. Dividing the 265,000‑car requirement by that remaining pool implies EVs would need close to 60% market share across the three Q4 months — a pace substantially above current monthly run‑rates and therefore unlikely to be achieved by new EV sales alone without using credits, borrowing or traded compliance measures.

Policy tension: targets, credits and energy costs

SMMT chief executive Mike Hawes linked the record month to more model choices and higher fuel prices, but also argued the UK’s 2026 targets are onerous for manufacturers given energy costs. Hawes said that “the UK still has the world’s toughest targets and highest energy costs.” That framing is being used to press for changes in how the mandate counts compliance.

The mandate allows automakers several compliance pathways: earning credits for non‑electric CO2 reductions, borrowing from future years and buying credits from other manufacturers. Industry groups are pressing the review to shift the balance in favour of crediting plug‑in hybrids or easing near‑term ZEV requirements; plug‑in hybrids grew 55.7% in September to 59,563 units, a fast expansion that would benefit if credit rules tilt toward PHEVs.

How the next quarter could go

The bottom line

September’s registrations show that when product availability, pricing and fleet delivery align, EV volumes can spike and shift market shares rapidly: BEVs reached 28.3% and plug‑ins 45.3% in a single month. Those gains do not by themselves resolve the 2026 ZEV mandate challenge, because meeting a 33% headline for the full year now depends on an exceptional Q4 or on compliance flexibilities. The policy review underway will determine whether manufacturers meet the target via sales alone or by leaning more heavily on credits and PHEV strategy, and the coming monthly registrations and any published review decisions will show which path the market follows.

What to watch

• Watch for the government’s published outcome of its ZEV mandate review; no date has been set for the review’s conclusion.
• Watch for the SMMT final full‑year registration release and the official 2026 totals; the full‑year figures will show whether Q4 deliveries closed the gap.
• Watch monthly registration figures for October–December to see if plug‑ins can sustain near‑60% shares across the quarter; manufacturers often concentrate deliveries at quarter ends.