The Audi A6 C8 40 TDI 2018 features a turbocharged inline-4 cylinder diesel engine with a displacement of 1969 cc.
It produces 163 horsepower (121 kW) at 3750 rpm and 400 Nm of torque from 1750 to 2500 rpm.
The 40 TDI comes equipped with a 7-speed dual-clutch transmission (S tronic).
The engine features a piezo injector system for precise fuel injection.
A 48-volt mild-hybrid power system is available as an option, adding 12 horsepower (9 kW) and 20 Nm of torque.
The Audi drive select system allows the driver to choose from Comfort, Auto, Dynamic, Individual, and Off-Mode settings.
An adaptive air suspension system with a range of ride heights is offered for improved handling and comfort.
The A6 features an available 360-degree camera system for enhanced visibility when parking or maneuvering in tight spaces.
The infotainment system includes a 12.3-inch virtual cockpit display, a 10.1-inch touchscreen MMI navigation plus system with voice control and online connectivity.
The available Bang & Olufsen sound system features 16 speakers and delivers 465 watts of power.
An optional driver assistance package (Drive Assist) includes adaptive cruise control, lane departure warning, automatic emergency braking, traffic sign recognition, parking aid, and a rear view camera with park assist.
The A6 C8 features a range of engine options including petrol engines such as the 35 TFSI and 40 TFSI, diesel engines like the 30 TDI, 40 TDI, and 45 TDI, as well as a plug-in hybrid model called the 55 e-tron.
The car has a top speed of 221 km/h (137 mph) for the manual transmission version.
A range of wheels are available including 16-inch steel wheels, 17-inch alloy wheels, and 19-inch bi-color alloy wheels with a diamond-turned finish.
The S line exterior package adds unique exterior styling elements such as a front apron, side sills, and rear diffuser.
LED headlights and taillights are standard on the A6 C8, while laserlight headlamps are an option for improved visibility.
There is an optional rear seat entertainment system available which includes two 9-inch screens integrated into the rear seats.
The car has a maximum towing capacity of up to 1,000 kg (2,204 lbs) depending on the engine and transmission selected.
The A6 features an Audi smartphone interface with support for Android Auto and Apple CarPlay integration.
There is an optional Bang & Olufsen sound system available with a diamond-turned finish for the tweeters.
The car has four USB ports (two Type-C, two USB-A) for mobile device charging.
A range of interior upholstery options are available including leather, Alcantara, and Valcona leather with contrasting stitching.
There is an optional ambient lighting system available that includes 30 different color settings.
An optional head-up display projects relevant information such as speed, navigation directions, and driver assistance messages directly onto the windshield.
The car features a range of storage compartments including door trim storage, center console storage, and glovebox storage.
A range of trim options are available including Walnut brown, Sapele, and Gray Oak wood trims.
There is an optional rear seat lumbar support system for improved comfort on long trips.
The car has a boot capacity of 535 liters (18.8 cu-ft) with the rear seats up and 1,442 liters (51.2 cu-ft) with them folded down.
An optional panoramic sunroof is available which offers a large glass panel above the passengers.
A range of safety features are standard including seven airbags, electronic stability control, traction control, anti-lock braking system, and an ISOFIX mounting point for child seats.