Audi A3 2021–2024 car dimensions: 4542 mm long, 1851 mm wide and 1412 mm high. Unladen weight is 1,650 kg. Boot space with the seats up is 321 litres.
The cabin features a 10.1-inch MMI touchscreen with wireless Apple CarPlay and Android Auto as standard, plus the 12.3-inch Virtual Cockpit plus with RS displays. Dual- or three-zone automatic climate control is fitted. Standard cruise control includes a speed limiter. Front and rear parking sensors with park assist come standard. Audi pre sense front provides automatic emergency braking. Lane departure warning with emergency assist is standard and makes corrective steering inputs. Blind-spot warning and reversing camera are available on higher packs or trims.
The sedan boot holds 321 litres with the rear seats up. The opening is a traditional saloon lid rather than a hatch.
The RS 3 Sedan is not rated for towing. Braked and unbraked trailer loads are listed as 0 kg. Payload is approximately 415 kg. RS sport suspension is standard and lowers the body.
The cabin has supportive front sport seats in fine Nappa leather with honeycomb stitching and RS embossing as standard, plus 4-way electric lumbar support. Higher grades add multi-way power adjustment with memory. Three-zone climate control is standard. Acoustic glass in the windscreen cuts noise. A panoramic roof is available on some grades. The flat-bottom RS steering wheel and virtual cockpit give a focused, sporty feel with good build quality for daily use.
Combined fuel use 8.7–8.2 l/100 km
Service interval up to 30,000 km or 2 years
Euro NCAP 5 stars (A3 base)
Standard kit includes Audi pre sense front, collision avoidance assist, lane departure warning, multi-airbag setup with centre airbag, ESC
The 2.5 TFSI returns combined fuel consumption of 8.7–8.2 l/100 km on the sedan. Real-world figures rise with hard use of the 400 PS output but stay manageable for the performance on offer when driven steadily.
Service intervals run to a maximum of 30,000 km or two years, with oil changes and inspections indicated by the onboard system. Fixed or flexible schedules apply depending on driving style.
Safety matches the A3 platform at five Euro NCAP stars. Standard equipment covers Audi pre sense front, collision avoidance and turn assist, lane departure warning with emergency assist, multi-collision brake, full airbag set including side, head and interaction airbags, plus ESC, tyre pressure monitoring and seatbelt reminders. Optional packs add adaptive cruise and more.
The car needs Super Plus fuel and regular oil attention for the five-cylinder. Standard warranty is two years with extensions available. Keep to service schedules to maintain the torque splitter and brakes.
Length 4542 mm, Width 1851 mm, Height 1412 mm, Wheelbase 2631 mm (A3 2021–2024)
Sources: manufacturer data, Audi technical data sheet, Audi RS 3 Sedan TFSI, Audi technical data sheet, Audi RS 3 Sedan TFSI, Program, 4 doors.