Audi A6 2018–2023 car dimensions: 4939 mm long, 1886 mm wide and 1467 mm high. Unladen weight is 1,710 kg. Braked towing is 2,000 kg.
Dual touchscreens handle infotainment and climate. Smartphone interface brings Apple CarPlay and Android Auto. Two-zone climate control is fitted. Cruise control with limiter is standard. Front and rear parking sensors plus reversing camera aid manoeuvres. Pre-sense front provides automatic emergency braking. Lane departure warning steers to keep you in lane. Blind spot warning comes on higher trims or packs.
Boot holds 565 litres with seats up and expands to 1680 litres seats down. Power tailgate is standard. Rails and tie-downs help secure loads. Loading lip is low.
Braked towing capacity reaches 2000 kg and unbraked 750 kg. Payload is 545 kg. Trailer hitch is optional with stabilisation. No heavy-duty cooling or reinforced suspension listed as standard.
The cabin offers more space than the previous model with improved elbow and knee room. Excellent aeroacoustics keep noise low on long trips. Optional panoramic glass roof lets in light across the full width. High-quality materials and digital dual-touch MMI controls create a refined feel. Comfort seats with optional ventilation and massage enhance long-distance ease.
Diesel fuel with MHEV mild-hybrid system.
Service interval up to 30,000 km or 2 years.
Euro NCAP 5 stars (2018): 93% adult, 85% child, 81% vulnerable road users, 76% safety assist.
Standard safety includes Audi pre sense front, ESC, ABS, multiple airbags, lane departure warning.
The 40 TDI uses a 2.0-litre diesel with mild-hybrid tech for efficient real-world use and lower consumption on longer runs. Combined figures sit in the mid-50s to 60 mpg range depending on wheels and conditions.
Servicing follows a flexible or fixed schedule of up to 30,000 km or two years. Oil changes can be more frequent under flexible plans based on use. Warranty covers three years or 60,000 miles.
Safety earns a full five-star Euro NCAP rating from 2018 testing on the related saloon, which applies to the Avant. Standard kit covers autonomous emergency braking, stability control and airbags, with optional packs adding more assists like adaptive cruise and side assist.
Keeping the car involves routine checks on the diesel particulate filter and AdBlue system. High build quality supports long-term ownership with good residual values in the estate segment.
Length 4939 mm, Width 1886 mm, Height 1467 mm, Wheelbase 2924 mm (A6 2018–2023)
Sources: manufacturer data, Audi MediaCenter press information, Der neue Audi A6 Avant, September 2018, Audi UK Technical Data, A6 Avant 40 TDI S tronic 204PS , September 2018: same length, width excluding mirrors and wheelbase, height with steel springs listed separately as.