UK factories built 40,872 cars, vans, trucks and buses in August 2026, a 5.7% increase on the same month a year earlier, according to industry production data from the Society of Motor Manufacturers and Traders.

Car output rose 6.1% to 39,328 units. That marks the strongest monthly increase in car production since December 2025. Production for the UK market climbed 26.0%, while car exports edged up 1.4%.

Exports accounted for 77.1% of all cars built during the month, underscoring how dependent UK vehicle manufacturing remains on overseas demand. The figures cover production rather than sales or registrations.

August carries a seasonal caveat. It is a low-volume month for vehicle manufacturing, and results can swing materially depending on when individual plants schedule their summer shutdowns. The year-on-year rise should be read with that volatility in mind.

Year-to-date output still down

Cumulative vehicle production for the year to date remained below the equivalent period in 2025. The decline narrowed to 7.1% after August. The August numbers therefore represent an improvement in a single month, not a recovery in overall annual output.

Electrified production told a stronger story. UK plants produced 16,830 hybrid, plug-in hybrid and battery-electric cars in August, up 40.9% year on year. Those vehicles accounted for 45.4% of car output during the month — nearly half of total passenger car production.

Trade rules cloud the outlook

The SMMT also warned of risks to UK-EU automotive trade. The European Union's proposed local-content approach and the planned tightening of EU-UK rules of origin in January 2027 could affect cross-Channel automotive trade.

The industry body called for an urgent rescheduling of the delayed EU-UK summit so the trade issues can be addressed. The SMMT has previously valued the automotive trading relationship affected by the prospective measures and rules of origin at about €80 billion a year.

The August release combines a short-term rise in factory output with continuing uncertainty around the longer-term trade framework. Electrified vehicles made up almost half of monthly car production, yet total output accumulated during the year still trails the 2025 level.

What to watch next: the January 2027 tightening of EU-UK rules of origin, a rescheduled date for the EU-UK summit, and whether September's production data confirms that August's growth was more than shutdown timing.