The Audi A6 Avant (C8, facelift 2023) 45 TFSI represents a refined iteration of Audi’s popular executive wagon, introduced in June 2023 and continuing through March 2025. This variant slots into the mid-range of the C8 A6 Avant lineup, offering a balance between performance, efficiency, and technology. It builds upon the foundation of the C8 platform (shared with the A7 Sportback) and incorporates a mild hybrid system to enhance fuel economy and reduce emissions. The “45 TFSI” designation signifies the engine’s power output within Audi’s naming convention, and the “quattro ultra” indicates an on-demand all-wheel-drive system. The S tronic transmission, Audi’s dual-clutch transmission, is standard.
Technical Specifications
| Brand | Audi |
| Model | A6 |
| Generation | A6 Avant (C8, facelift 2023) |
| Type | 45 TFSI (265 Hp) Mild Hybrid quattro ultra S tronic |
| Start of production | June, 2023 |
| End of production | March, 2025 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Combined fuel consumption (WLTP) | 7.3-8.2 l/100 km (32.2 – 28.7 US mpg, 38.7 – 34.4 UK mpg, 13.7 – 12.2 km/l) |
| CO2 emissions (WLTP) | 166-186 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 6.2 sec |
| Acceleration 0 – 62 mph | 6.2 sec |
| Acceleration 0 – 60 mph | 5.9 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6e |
| Weight-to-power ratio | 6.7 kg/Hp, 149.7 Hp/tonne |
| Weight-to-torque ratio | 4.8 kg/Nm, 209 Nm/tonne |
| Net (usable) battery capacity | 0.15 kWh |
| Battery voltage | 12 V |
| Battery technology | Lithium-ion (Li-Ion) |
| Battery location | Under the front hood |
| Recuperation output | 6 kW |
| Electric motor power | 3 Hp |
| Electric motor Torque | 60 Nm (44.25 lb.-ft.) |
| Electric motor location | Front, Longitudinal |
| Power | 265 Hp @ 5250-6500 rpm |
| Torque | 370 Nm @ 1600-4500 rpm (272.9 lb.-ft. @ 1600-4500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | EA888 |
| Engine displacement | 1984 cm3 (121.07 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 82.5 mm (3.25 in.) |
| Piston Stroke | 92.8 mm (3.65 in.) |
| Compression ratio | 9.6:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 5.2 l (5.49 US qt | 4.58 UK qt) |
| Coolant | 8.7 l (9.19 US qt | 7.65 UK qt) |
| Kerb Weight | 1770 kg (3902.18 lbs.) |
| Max. weight | 2405 kg (5302.12 lbs.) |
| Max load | 635 kg (1399.94 lbs.) |
| Trunk (boot) space – minimum | 565 l (19.95 cu. ft.) |
| Trunk (boot) space – maximum | 1680 l (59.33 cu. ft.) |
| Fuel tank capacity | 63 l (16.64 US gal | 13.86 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (8%) | 2000 kg (4409.25 lbs.) |
| Permitted trailer load with brakes (12%) | 2000 kg (4409.25 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 95 kg (209.44 lbs.) |
| Length | 4939 mm (194.45 in.) |
| Width | 1886 mm (74.25 in.) |
| Width including mirrors | 2110 mm (83.07 in.) |
| Height | 1494 mm (58.82 in.) |
| Wheelbase | 2924 mm (115.12 in.) |
| Front track | 1630 mm (64.17 in.) |
| Rear (Back) track | 1617 mm (63.66 in.) |
| Front overhang | 920 mm (36.22 in.) |
| Rear overhang | 1095 mm (43.11 in.) |
| Drag coefficient (Cd) | 0.29 |
| Minimum turning circle (turning diameter) | 12.1 m (39.7 ft.) |
| Approach angle | 13.7° |
| Departure angle | 16.9° |
| Drivetrain Architecture | ICE and electric motor drive front wheels, rear wheels engaged via clutch |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 7 gears, automatic transmission S tronic |
| Front suspension | Independent multi-link suspension |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs, 338 mm |
| Rear brakes | Ventilated discs, 330 mm |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 225/60 R17; 225/55 R18; 245/45 R19; 255/40 R20; 255/35 R21 |
| Wheel rims size | 7.5J x 17; 8J x 18; 8.5J x 19; 8.5J x 20; 8.5J x 21 |
INTRODUCTION
The Audi A6 Avant (C8, facelift 2023) 45 TFSI is a five-door, five-seat station wagon that represents a significant update to the C8 generation A6. Introduced in 2018, the C8 A6 brought a new level of technology and refinement to the executive car segment. The 2023 facelift further enhances these qualities with updated styling, improved infotainment, and a more efficient powertrain lineup. The 45 TFSI variant, powered by a 2.0-liter turbocharged four-cylinder engine with mild hybrid assistance, is positioned as a compelling option for buyers seeking a balance of performance and fuel economy. It caters to those who prioritize practicality and comfort without sacrificing the driving experience associated with the Audi brand.
Powertrain & Engine Architecture
At the heart of the A6 Avant 45 TFSI lies the EA888 2.0-liter turbocharged inline-four engine. This engine, a staple in the Volkswagen Group’s portfolio, is known for its responsiveness and efficiency. The engine utilizes direct fuel injection and a single twin-scroll turbocharger to deliver 265 horsepower at 5250-6500 rpm and 370 Nm (272.9 lb-ft) of torque between 1600-4500 rpm. The mild hybrid system, a 48-volt system, incorporates a belt starter generator (BSG) that enables features like extended engine-off coasting, regenerative braking, and a smoother start-stop system. This system contributes to improved fuel economy and reduced emissions. The engine is paired with Audi’s seven-speed S tronic dual-clutch transmission, which provides quick and seamless gear changes. The transmission’s gear ratios are optimized for both performance and efficiency, offering a balance between acceleration and cruising comfort.
Driving Characteristics
The A6 Avant 45 TFSI delivers a composed and refined driving experience. While not as overtly sporty as some of its rivals, the 265 hp engine provides ample power for everyday driving and overtaking maneuvers. The S tronic transmission contributes to brisk acceleration, with a 0-60 mph time of around 5.9 seconds. The quattro ultra all-wheel-drive system intelligently distributes torque between the front and rear axles, providing enhanced traction and stability in various driving conditions. In normal driving, the system primarily operates in front-wheel drive to conserve fuel, but seamlessly engages the rear wheels when needed. Compared to higher-output A6 variants, such as the 55 TFSI with its V6 engine, the 45 TFSI offers a more fuel-efficient and accessible entry point into the A6 Avant range. It also provides a more relaxed driving experience, prioritizing comfort over outright performance.
Equipment & Trim Levels
The A6 Avant 45 TFSI typically comes well-equipped as standard. Key features include Audi’s Virtual Cockpit digital instrument cluster, a touchscreen infotainment system with navigation, leather upholstery, tri-zone automatic climate control, and a suite of driver-assistance systems such as adaptive cruise control, lane departure warning, and automatic emergency braking. Optional extras include a premium sound system, massaging front seats, a head-up display, and various cosmetic enhancements. The interior design is characterized by its clean lines, high-quality materials, and intuitive layout. The dashboard features a dual-screen setup, with the upper screen controlling infotainment functions and the lower screen managing climate control and other vehicle settings.
Chassis & Braking
The A6 Avant’s chassis is designed to provide a comfortable and controlled ride. It features independent multi-link suspension at both the front and rear, which effectively absorbs bumps and irregularities in the road surface. The suspension setup is tuned to prioritize comfort, but still offers a reasonable level of body control. The A6 Avant 45 TFSI is equipped with ventilated disc brakes on all four wheels, providing ample stopping power. The braking system is further enhanced by ABS, electronic brake-force distribution, and brake assist. The standard wheel size varies depending on the trim level, ranging from 17 to 21 inches.
Market Reception & Comparison
The Audi A6 Avant 45 TFSI has been generally well-received by automotive critics. It is praised for its refined driving experience, spacious interior, and advanced technology. Compared to other station wagons in its class, such as the BMW 5 Series Touring and the Mercedes-Benz E-Class Estate, the A6 Avant offers a compelling combination of features and value. The 45 TFSI variant’s fuel economy is competitive, and its mild hybrid system helps to reduce emissions. However, some critics have noted that the A6 Avant’s infotainment system can be complex to use, and that its styling is relatively conservative compared to some of its rivals.
Legacy
The EA888 engine, in various iterations, has proven to be a reliable and durable powertrain. The addition of the mild hybrid system in the A6 Avant 45 TFSI is expected to further enhance its longevity. While long-term reliability data for this specific configuration is still emerging, the C8 A6 Avant is generally considered to be a well-built and dependable vehicle. On the used car market, the A6 Avant 45 TFSI is likely to hold its value well, thanks to its reputation for quality, comfort, and technology. Its balance of performance, efficiency, and practicality makes it a desirable option for buyers seeking a premium executive wagon.
