2026 Audi Q3 S Line Tfsi Mhev S-A 1.5L Petrol · VA26 LCF

The 1.5-litre TFSI mild-hybrid powertrain should deliver reasonable fuel economy for the class, typically in the range of 40-45 mpg on a combined cycle according to Audi's official figures, though real-world results often vary. As a 2026 vehicle, it will fall within the current VED (Vehicle Excise Duty) system, with the first-year rate dependent on CO2 emissions and subsequent standard rates applying thereafter. For a mild-hybrid petrol Q3, expect annual road tax in the region of £170-£195 after the first year. Insurance for a Q3 S line in this spec typically falls within groups 25-32, so premiums for a typical driver might range from £600-£900 annually depending on location and driving history.

Servicing costs for Audi Q3 models are premium-brand typical, with main dealer services costing upwards of £300-£500 depending on the interval. The mild-hybrid system adds some complexity to maintenance, though routine items like oil changes, brake fluid, and air filters remain straightforward. Tyres for the S line are typically in larger diameters, so replacements cost more than standard — budget around £150-£200 per tyre for premium brands. Combined annual running costs including fuel, tax, insurance, and servicing are likely to fall in the £1,800-£2,400 range for a moderate driver covering 8,000-10,000 miles per year.

Although this vehicle is too new for an MOT test, a thorough pre-purchase inspection is still essential, particularly for the S-tronic automatic gearbox which has historically been a focus of attention in Audi vehicles. Check the gearbox behaviour during a test drive, ensuring smooth changes at low speeds and clean kickdown responses. Inspect the underside of the vehicle for any signs of damage from speed humps or kerbing, as the Q3 S line sits on sport suspension which can be susceptible to scraping. Verify all warning lights extinguish on startup and that the mild-hybrid system shows no fault messages.

Check the bodywork carefully for any panel alignment issues, particularly around the doors, bonnet, and tailgate, as Q3 build quality can occasionally show inconsistencies. The white paint should be inspected under good lighting for any swirl marks or mismatched panels that might indicate previous damage repairs. Examine the alloy wheels for kerbing damage, which is common on larger-diameter S-line wheels. Inside, test all electrical equipment thoroughly including the climate control, sat-nav, reversing camera, and any optional Matrix LED headlights. The S line seats should be checked for wear or damage, and the load space examined for stains or scratches if the vehicle has been used as a demonstrator.