The Audi A6L Sedan (C8) 40 TFSI S tronic, introduced in 2019, represents a significant iteration of Audi’s long-running A6 lineage, specifically tailored for the Chinese market where the “L” designation denotes a long-wheelbase version. This variant occupies a mid-range position within the C8 A6 family, offering a balance between performance, efficiency, and luxury. It’s powered by a 2.0-liter turbocharged four-cylinder engine paired with a seven-speed S tronic dual-clutch transmission, delivering a refined driving experience aimed at discerning consumers seeking a comfortable and technologically advanced executive sedan. The 40 TFSI designation, per Audi’s naming convention, indicates the approximate power output, though actual figures vary slightly based on regional tuning.
Technical Specifications
| Brand | Audi |
| Model | A6 |
| Generation | A6L Sedan (C8) |
| Type (Engine) | 40 TFSI (190 Hp) S tronic |
| Start of production | 2019 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 8.7 l/100 km (27 US mpg, 32.5 UK mpg, 11.5 km/l) |
| Fuel consumption (extra urban) | 5.7 l/100 km (41.3 US mpg, 49.6 UK mpg, 17.5 km/l) |
| Fuel consumption (combined) | 6.8 l/100 km (34.6 US mpg, 41.5 UK mpg, 14.7 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8.3 sec |
| Acceleration 0 – 62 mph | 8.3 sec |
| Acceleration 0 – 60 mph | 7.9 sec |
| Maximum speed | 230 km/h (142.92 mph) |
| Weight-to-power ratio | 9.5 kg/Hp, 105.6 Hp/tonne |
| Weight-to-torque ratio | 5.6 kg/Nm, 177.8 Nm/tonne |
| Power | 190 Hp @ 4200-6000 rpm |
| Power per litre | 95.8 Hp/l |
| Torque | 320 Nm @ 1450-4200 rpm (236.02 lb.-ft. @ 1450-4200 rpm) |
| Engine layout | Front, Longitudinal |
| Engine displacement | 1984 cm3 (121.07 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 4.7 l (4.97 US qt | 4.14 UK qt) |
| Kerb Weight | 1800-1820 kg (3968.32 – 4012.41 lbs.) |
| Trunk (boot) space – maximum | 430 l (15.19 cu. ft.) |
| Fuel tank capacity | 73 l (19.28 US gal | 16.06 UK gal) |
| Length | 5038-5050 mm (198.35 – 198.82 in.) |
| Width | 1886 mm (74.25 in.) |
| Width including mirrors | 2110 mm (83.07 in.) |
| Height | 1475 mm (58.07 in.) |
| Wheelbase | 3024 mm (119.06 in.) |
| Front track | 1630 mm (64.17 in.) |
| Rear (Back) track | 1616 mm (63.62 in.) |
| Front overhang | 919-921 mm (36.18 – 36.26 in.) |
| Rear overhang | 1095-1105 mm (43.11 – 43.5 in.) |
| Ride height (ground clearance) | 117 mm (4.61 in.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 7 gears, automatic transmission S tronic |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 225/55 R18 102Y XL; 245/45 R19 102Y XL |
| Wheel rims size | 18; 19 |
Powertrain & Engine Architecture
At the heart of the A6L 40 TFSI lies the EA888 2.0-liter inline-four cylinder engine. This engine, a staple in the Volkswagen Group’s portfolio, utilizes direct fuel injection and a single twin-scroll turbocharger with an intercooler. The engine code varies depending on the specific market and year of production, but commonly found variants include those based on the latest generation EA888. This configuration allows for a broad torque curve and responsive power delivery. The engine’s aluminum block and head contribute to weight reduction, enhancing overall efficiency. The seven-speed S tronic dual-clutch transmission is a key component, offering rapid and seamless gear changes. This transmission features a wet clutch design for improved heat dissipation and durability. The S tronic’s programming prioritizes both fuel economy and performance, adapting to driving conditions and driver input.
Driving Characteristics
The 40 TFSI S tronic powertrain delivers a smooth and refined driving experience. While not as overtly sporty as higher-output A6 variants (like the 50 TFSI), it provides ample power for everyday driving and highway cruising. Acceleration from 0-60 mph takes approximately 7.9 seconds, making it competitive within its segment. The S tronic transmission contributes to this performance, providing quick shifts and minimizing power interruption. The gear ratios are tuned for a balance between acceleration and fuel efficiency. In typical driving scenarios, the engine operates quietly and efficiently, with the turbocharger providing a noticeable boost in power when needed. Compared to manual transmission versions (where available in other markets), the S tronic offers greater convenience and ease of use, particularly in congested urban environments. It doesn’t quite match the engagement of a manual, but provides a more accessible performance experience.
Equipment & Trim Levels
The A6L 40 TFSI S tronic typically comes well-equipped as standard. Common features include Audi’s Virtual Cockpit digital instrument cluster, a large infotainment touchscreen with MMI navigation plus, leather upholstery, tri-zone automatic climate control, and a suite of advanced driver-assistance systems (ADAS) such as adaptive cruise control, lane departure warning, and automatic emergency braking. Trim levels often build upon this base, offering options like upgraded leather packages, premium sound systems (Bang & Olufsen), panoramic sunroofs, and various aesthetic enhancements. The long-wheelbase configuration of the A6L provides significantly more rear legroom compared to the standard A6, making it particularly appealing to passengers.
Chassis & Braking
The C8 A6L utilizes a sophisticated chassis design featuring a five-link suspension setup at both the front and rear. This configuration provides a comfortable ride quality while maintaining good handling characteristics. The suspension is tuned to prioritize comfort, but still offers a reasonable degree of body control. Braking systems typically consist of ventilated disc brakes at all four corners, with electronic stability control (ESC) and anti-lock braking system (ABS) as standard features. The 40 TFSI variant, being a mid-range model, generally features slightly smaller brake rotors compared to the higher-performance trims. Steering is provided by an electromechanical power steering system, offering precise and responsive control.
Market Reception & Comparison
The Audi A6L 40 TFSI S tronic has been well-received in the Chinese market, where it competes with other luxury sedans such as the BMW 5 Series and Mercedes-Benz E-Class. Critics have praised its comfortable ride, spacious interior, and advanced technology. Fuel economy is competitive within its class, with combined figures around 6.8 l/100 km. Compared to the higher-output 50 TFSI variant, the 40 TFSI offers a more affordable entry point into the A6L range, albeit with slightly less performance. The 40 TFSI also provides a more balanced driving experience than the diesel variants available in some markets, offering a smoother and quieter ride.
Legacy
The EA888 engine and S tronic transmission combination have proven to be reliable and durable in numerous applications across the Volkswagen Group. While long-term reliability data specific to the A6L 40 TFSI is still emerging, the underlying technology has a strong track record. Regular maintenance, including oil changes and transmission servicing, is crucial for ensuring longevity. On the used car market, the A6L 40 TFSI S tronic is expected to hold its value reasonably well, particularly examples with a full service history and low mileage. Its combination of luxury, technology, and efficiency makes it an attractive option for buyers seeking a premium executive sedan.

