Audi A8 2017–2021 car dimensions: 5172 mm long, 1945 mm wide and 1473 mm high. Unladen weight is 2,050 kg. Braked towing is 2,300 kg.
The cabin has dual MMI touch response screens (10.1-inch upper and 8.6-inch lower) with haptic feedback plus a 12.3-inch virtual cockpit as standard. Audi smartphone interface brings Android Auto and Apple CarPlay. Two-zone climate control is standard (four-zone on long-wheelbase or as option). Adaptive cruise assist, lane departure warning with emergency assist, Audi pre sense front/city automatic emergency braking, front/rear parking sensors and reversing camera are standard. Blind-spot side assist comes only in the optional City assist pack.
Boot space is 505 litres with seats up. Power-operated tailgate is standard. Rear seats do not fold to expand the load area.
Braked towing capacity is 2300 kg and unbraked is 750 kg. Nose weight limit is 95 kg. Payload is 640 kg. Adaptive air suspension is standard. A tow bar is optional.
The cabin feels spacious and refined with Valcona leather comfort front seats offering 22-way electric adjustment, memory and 4-way lumbar as standard. Pneumatic bolsters and optional massage with multiple programs add support on long trips. Acoustic glazing on the windscreen keeps noise low while dual touchscreens and ambient lighting create a calm, high-quality lounge feel. Rear space gains from extra interior length, with optional relaxation features on long-wheelbase models for even more ease.
Diesel 3.0 TDI mild hybrid with combined consumption from 5.6 l/100 km and CO2 from 145 g/km depending on tyres.
Service interval according to indicator, up to 19,000 miles or 2 years.
Standard safety includes adaptive cruise assist, pre-sense front and basic, lane departure warning with emergency assist, front and rear side airbags, ISOFIX.
Warranty 3 years or 60,000 miles. paint 3 years. rust 12 years.
The 50 TDI uses a 3.0-litre V6 diesel mild-hybrid setup that coasts emission-free and delivers strong low-end torque for easy cruising. Official combined figures sit in the mid-5 l/100 km range with CO2 starting at 145 g/km, varying slightly by wheel size. An 72-litre tank (optional 82) supports long ranges between fills.
Servicing follows the onboard indicator with intervals up to 19,000 miles or two years. Chain-driven engine means no cambelt changes. Brake fluid is due every two years. Fixed or variable schedules are available depending on use.
Safety kit is extensive as standard: adaptive cruise assist with stop-go, pre-sense systems that tighten belts and close windows, lane keep with emergency assist, traffic sign recognition, parking sensors and camera, plus multiple airbags including rear side. No dedicated Euro NCAP rating is published for this generation.
Ownership centres on the mild-hybrid efficiency and air suspension for daily comfort. Keep service history complete for the complex electronics and air springs. Warranty cover starts at three years/60,000 miles and can be extended.
Length 5172 mm, Width 1945 mm, Height 1473 mm, Wheelbase 2998 mm (A8 2017–2021)
Sources: manufacturer data, Audi Spain technical data sheet, Audi A8 50 TDI quattro tiptronic, October 2017, AUDI AG A8 | A8 L brochure, September 2018, 12.5 m, and EU unladen weight.