The Audi A6 Avant (C9) 2.0 TFSI e-hybrid quattro ultra S tronic represents a significant step in Audi’s commitment to plug-in hybrid technology, launched in May 2025. This variant combines a 2.0-liter turbocharged four-cylinder gasoline engine with an electric motor, delivering a combined system output of 367 horsepower. Positioned as a premium offering within the C9 A6 Avant lineup, it caters to buyers seeking both performance and enhanced fuel efficiency in a practical, spacious wagon body style. The C9 generation A6 Avant builds upon the success of its predecessors, integrating advanced technology and a refined driving experience.
Technical Specifications
| Brand | Audi |
| Model | A6 |
| Generation | A6 Avant (C9) |
| Type (Engine) | 2.0 TFSI (367 Hp) e-hybrid quattro ultra S tronic |
| Start of production | May, 2025 |
| Powertrain Architecture | PHEV (Plug-in Hybrid Electric Vehicle) |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Combined fuel consumption (WLTP) | 2.4-7.7 l/100 km |
| Combined fuel consumption (US mpg) | 98 – 30.5 |
| Combined fuel consumption (UK mpg) | 117.7 – 36.7 |
| CO2 emissions (WLTP) | 54-65 g/km |
| Fuel Type | Petrol / electricity |
| Acceleration 0 – 100 km/h | 5.3 sec |
| Acceleration 0 – 62 mph | 5.3 sec |
| Acceleration 0 – 60 mph | 5 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6e |
| Weight-to-power ratio | 5.9 kg/Hp |
| Weight-to-torque ratio | 4.3 kg/Nm |
| Gross battery capacity | 25.9 kWh |
| Net (usable) battery capacity | 20.7 kWh |
| Battery voltage | 400 V |
| Battery technology | Lithium-ion (Li-Ion) |
| Battery location | Under the trunk |
| Recuperation output | 88 kW |
| All-electric range (WLTP) | 85-100 km (52.82 – 62.14 mi) |
| Average Energy consumption (WLTP) | 15.4-16.3 kWh/100 km |
| Average Energy consumption (US kWh/100 mi) | 24.78 – 26.23 |
| Average Energy consumption (MPGe) | 136 – 128 |
| Average Energy consumption (km/kWh) | 6.5 – 6.1 |
| Average Energy consumption (mi/kWh) | 4 – 3.8 |
| Max speed (electric) | 140 km/h (86.99 mph) |
| Electric motor power | 143 Hp |
| Electric motor Torque | 350 Nm (258.15 lb.-ft.) |
| Electric motor location | Between the combustion engine and the transmission |
| Electric motor type | Synchronous |
| System power | 367 Hp |
| System torque | 500 Nm (368.78 lb.-ft.) |
| Power | 252 Hp @ 5000-6500 rpm |
| Torque | 380 Nm @ 1600-4500 rpm (280.27 lb.-ft. @ 1600-4500 rpm) |
| Engine layout | Front, Longitudinal |
| 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 | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 6 l (6.34 US qt | 5.28 UK qt) |
| Coolant | 20.1 l (21.24 US qt | 17.69 UK qt) |
| Kerb Weight | 2165 kg (4773.01 lbs.) |
| Max. weight | 2775 kg (6117.83 lbs.) |
| Max load | 610 kg (1344.82 lbs.) |
| Trunk (boot) space – minimum | 404 l (14.27 cu. ft.) |
| Trunk (boot) space – maximum | 1423 l (50.25 cu. ft.) |
| Fuel tank capacity | 46 l (12.15 US gal | 10.12 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 | 4999 mm (196.81 in.) |
| Width | 1875 mm (73.82 in.) |
| Width including mirrors | 2099 mm (82.64 in.) |
| Height | 1472 mm (57.95 in.) |
| Wheelbase | 2923 mm (115.08 in.) |
| Front track | 1624 mm (63.94 in.) |
| Rear (Back) track | 1608 mm (63.31 in.) |
| Front overhang | 938 mm (36.93 in.) |
| Rear overhang | 1138 mm (44.8 in.) |
| Drag coefficient (Cd) | 0.29 |
| Minimum turning circle (turning diameter) | 12.4 m (40.68 ft.) |
| Approach angle | 14.4° |
| Departure angle | 16.8° |
| Drivetrain Architecture | The Internal combustion engine (ICE) and the electric motor permanently drive the front wheels of the vehicle, capable of running in full electric or mixed mode, and if necessary through the electrically or mechanically controlled clutch, the rear wheels are driven. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 7 gears, automatic transmission S tronic |
| Front suspension | Coil spring, Independent multi-link suspension, Transverse stabilizer, Air Suspension – Optional |
| Rear suspension | Independent multi-link spring suspension with stabilizer, Air Suspension – Optional |
| Front brakes | Ventilated discs, 360 mm |
| Rear brakes | Ventilated discs, 350 mm |
INTRODUCTION
The Audi A6 Avant (C9) 2.0 TFSI e-hybrid quattro ultra S tronic is a plug-in hybrid station wagon introduced in 2025 as part of the C9 A6 model range. It represents Audi’s continued push towards electrification, offering a blend of performance, efficiency, and practicality. The “e-hybrid” designation signifies the integration of a gasoline engine and an electric motor, while “quattro ultra” denotes the advanced all-wheel-drive system that intelligently distributes power between the front and rear axles. The seven-speed S tronic dual-clutch transmission is standard, providing quick and smooth gear changes. This variant aims to appeal to customers who desire a premium wagon experience with reduced emissions and the flexibility of electric-only driving for shorter commutes.
Powertrain & Engine Architecture
At the heart of the A6 Avant 2.0 TFSI e-hybrid lies a 1984cc (121.07 cu. in.) turbocharged four-cylinder gasoline engine, identified by the engine code typically associated with the latest generation of Audi’s TFSI engines. This engine produces 252 horsepower at 5000-6500 rpm and 380 Nm (280.27 lb.-ft.) of torque between 1600-4500 rpm. It utilizes direct fuel injection and a sophisticated turbocharging system for optimal power delivery and efficiency. The engine is paired with a 143 horsepower electric motor integrated between the engine and the S tronic transmission. This electric motor contributes an additional 350 Nm (258.15 lb.-ft.) of torque. The combined system output is 367 horsepower and 500 Nm (368.78 lb.-ft.) of torque. The 25.9 kWh (usable 20.7 kWh) lithium-ion battery pack is located under the trunk floor, providing an all-electric range of 85-100 km (52.82 – 62.14 mi) according to WLTP standards. The S tronic transmission is a seven-speed dual-clutch unit known for its rapid shifts and efficiency.
Driving Characteristics
The A6 Avant 2.0 TFSI e-hybrid offers a refined and versatile driving experience. In electric-only mode, the vehicle provides near-silent acceleration and a smooth ride, ideal for urban driving. When the gasoline engine engages, the transition is seamless, and the combined power output delivers brisk acceleration – 0-100 km/h in 5.3 seconds. The S tronic transmission ensures quick and precise gear changes, enhancing responsiveness. The quattro ultra all-wheel-drive system provides excellent traction and stability in various driving conditions. The gear ratios are tuned to balance performance and efficiency, with taller gears for highway cruising and shorter gears for quicker acceleration. Compared to the standard A6 Avant models with lower-powered engines, the e-hybrid variant offers significantly more power and torque, resulting in a more engaging driving experience. Compared to higher-performance A6 variants (like those with V6 engines), the e-hybrid prioritizes efficiency and offers a different character, focusing on smooth, refined power delivery rather than outright speed.
Equipment & Trim Levels
The A6 Avant 2.0 TFSI e-hybrid typically comes well-equipped as a premium trim level. Standard features generally include Audi’s virtual cockpit digital instrument cluster, a large touchscreen infotainment system with navigation, leather upholstery, tri-zone automatic climate control, and a suite of advanced driver-assistance systems such as adaptive cruise control, lane-keeping assist, and automatic emergency braking. Optional extras may include a Bang & Olufsen premium sound system, massaging front seats, a head-up display, and air suspension for an even more comfortable ride. Interior trim options typically include a choice of wood or aluminum inlays, and exterior styling can be customized with various wheel designs and paint colors.
Chassis & Braking
The A6 Avant 2.0 TFSI e-hybrid utilizes a sophisticated chassis design optimized for both comfort and handling. The front suspension features a multi-link setup with coil springs, while the rear suspension also employs a multi-link design. Optional air suspension is available, providing adjustable ride height and damping for enhanced comfort and control. The braking system consists of ventilated discs on all four wheels, with 360mm discs at the front and 350mm discs at the rear. ABS (Anti-lock braking system) is standard, along with electronic stability control and traction control. The added weight of the battery pack is compensated for by the chassis tuning, ensuring balanced handling and predictable braking performance.
Market Reception & Comparison
The Audi A6 Avant 2.0 TFSI e-hybrid has been generally well-received by automotive critics, praised for its blend of performance, efficiency, and practicality. Its all-electric range is competitive within its segment, and its fuel economy is significantly better than that of conventional gasoline-powered A6 Avant models. Compared to other plug-in hybrid wagons, the A6 Avant e-hybrid stands out with its premium interior, refined driving experience, and advanced technology. However, some critics have noted that the battery pack reduces trunk space compared to non-hybrid A6 Avant models. Reliability reports are still emerging, but Audi’s reputation for build quality and engineering suggests that the e-hybrid powertrain should prove durable over the long term.
Legacy
The A6 Avant 2.0 TFSI e-hybrid represents a key step in Audi’s transition towards a more sustainable future. Its advanced plug-in hybrid technology demonstrates Audi’s commitment to reducing emissions and improving fuel efficiency. As the used car market matures, these models are expected to hold their value well, particularly among buyers seeking a premium wagon with low running costs and environmental benefits. The longevity of the battery pack and the overall durability of the hybrid powertrain will be key factors in determining the long-term reliability and desirability of this variant.
