The Audi A3 Sportback (8Y) 40 TDI quattro S tronic represents a compelling blend of performance, efficiency, and practicality within the fourth generation (8Y) of Audi’s popular compact hatchback. Introduced in November 2020 and continuing through 2024 model years, this variant occupies a significant position in the A3 lineup, offering a diesel-powered, all-wheel-drive option geared towards drivers prioritizing fuel economy and all-weather capability. It’s built on the Volkswagen Group’s MQB platform, shared with models like the Volkswagen Golf and SEAT Leon, but distinguishes itself through Audi’s premium interior and advanced technology.
Technical Specifications
| Brand | Audi |
| Model | A3 |
| Generation | A3 Sportback (8Y) |
| Type (Engine) | 40 TDI (200 Hp) quattro S tronic |
| Start of production | November, 2020 |
| End of production | 2024 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Combined fuel consumption (WLTP) | 5.6-6.0 l/100 km (42 – 39.2 US mpg, 50.4 – 47.1 UK mpg, 17.9 – 16.7 km/l) |
| CO2 emissions (WLTP) | 147-157 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 6.8 sec |
| Acceleration 0 – 62 mph | 6.8 sec |
| Acceleration 0 – 60 mph | 6.5 sec |
| Maximum speed | 243 km/h (150.99 mph) |
| Emission standard | Euro 6d-ISC-FCM |
| Weight-to-power ratio | 7.4 kg/Hp, 135.1 Hp/tonne |
| Weight-to-torque ratio | 3.7 kg/Nm, 270.3 Nm/tonne |
| Power | 200 Hp @ 3600-4100 rpm |
| Power per litre | 101.6 Hp/l |
| Torque | 400 Nm @ 1750-3500 rpm (295.02 lb.-ft. @ 1750-3500 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | DTUA |
| Engine displacement | 1968 cm3 (120.09 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 81 mm (3.19 in.) |
| Piston Stroke | 95.5 mm (3.76 in.) |
| Compression ratio | 15.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 5.5 l (5.81 US qt | 4.84 UK qt) |
| Coolant | 13.2 l (13.95 US qt | 11.61 UK qt) |
| Kerb Weight | 1480 kg (3262.84 lbs.) |
| Max. weight | 2020 kg (4453.34 lbs.) |
| Max load | 540 kg (1190.5 lbs.) |
| Trunk (boot) space – minimum | 325 l (11.48 cu. ft.) |
| Trunk (boot) space – maximum | 1145 l (40.44 cu. ft.) |
| Fuel tank capacity | 55 l (14.53 US gal | 12.1 UK gal) |
| AdBlue tank | 11 l (2.91 US gal | 2.42 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (8%) | 1800 kg (3968.32 lbs.) |
| Permitted trailer load with brakes (12%) | 1600 kg (3527.4 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 80 kg (176.37 lbs.) |
| Length | 4343 mm (170.98 in.) |
| Width | 1816 mm (71.5 in.) |
| Width including mirrors | 1984 mm (78.11 in.) |
| Height | 1449 mm (57.05 in.) |
| Wheelbase | 2636 mm (103.78 in.) |
| Front track | 1554 mm (61.18 in.) |
| Rear (Back) track | 1525 mm (60.04 in.) |
| Front overhang | 905 mm (35.63 in.) |
| Rear overhang | 802 mm (31.57 in.) |
| Drag coefficient (Cd) | 0.31 |
| Minimum turning circle (turning diameter) | 11.1 m (36.42 ft.) |
| Approach angle | 14.1° |
| Departure angle | 23.9° |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives permanently the four wheels of the vehicle. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 7 gears, automatic transmission S tronic |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
Powertrain & Engine Architecture
At the heart of the A3 40 TDI quattro S tronic lies the DTUA engine, a 2.0-liter inline-four cylinder diesel engine. This engine is a member of the Volkswagen Group’s modular engine family, known for its efficiency and refinement. It utilizes a common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. The engine is turbocharged with a single turbocharger and intercooled, boosting power output to 200 horsepower and 400 Nm (295 lb-ft) of torque. The S tronic transmission is a seven-speed dual-clutch transmission (DCT) known for its quick and smooth gear changes. This transmission contributes to both performance and fuel efficiency. The quattro all-wheel-drive system employs a multi-plate clutch, intelligently distributing torque between the front and rear axles for enhanced traction and stability.
Driving Characteristics
The 40 TDI quattro S tronic offers a refined and capable driving experience. The 200 hp and 400 Nm of torque provide ample power for everyday driving and confident overtaking. The S tronic transmission delivers rapid shifts, contributing to a responsive feel. The quattro all-wheel-drive system provides excellent grip in various conditions, enhancing stability and confidence, particularly on wet or slippery surfaces. Compared to the base 1.5-liter petrol engine, the 40 TDI offers significantly more torque and a broader powerband, making it more effortless to drive. While not as sporty as higher-performance A3 variants, the 40 TDI strikes a good balance between performance and efficiency. The gear ratios are tuned for a blend of acceleration and fuel economy, with a focus on maximizing torque at lower engine speeds.
Equipment & Trim Levels
The A3 Sportback 40 TDI quattro S tronic typically came well-equipped as standard. Features included Audi’s Virtual Cockpit digital instrument cluster, a touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, automatic climate control, and a suite of driver-assistance systems such as lane departure warning and automatic emergency braking. Interior upholstery was typically cloth, with leather options available as upgrades. Trim levels varied by market, but generally offered options for upgraded interior materials, larger alloy wheels, and additional driver-assistance features like adaptive cruise control and parking assist. Optional extras included a panoramic sunroof, premium sound system, and matrix LED headlights.
Chassis & Braking
The A3 40 TDI quattro S tronic features a McPherson strut front suspension and a multi-link rear suspension, providing a comfortable and controlled ride. The suspension is tuned to balance handling and comfort, offering a good compromise for everyday driving. The braking system consists of ventilated discs at the front and solid discs at the rear. ABS (Anti-lock Braking System) and electronic stability control are standard features, enhancing safety and control. The steering is an electric power steering system, providing precise and responsive steering feel.
Market Reception & Comparison
The A3 40 TDI quattro S tronic was generally well-received by automotive critics. It was praised for its fuel efficiency, refined engine, and comfortable ride. The quattro all-wheel-drive system was also highlighted as a significant advantage, particularly in regions with inclement weather. Compared to other trims in the A3 lineup, the 40 TDI offered a more practical and efficient option for drivers covering long distances or prioritizing all-weather capability. While the petrol-powered variants offered a more engaging driving experience, the 40 TDI provided a more relaxed and economical alternative. Fuel economy figures consistently placed it among the best in its class.
Legacy
The DTUA engine and S tronic transmission combination have proven to be relatively reliable, with many examples exceeding high mileage with proper maintenance. The A3 40 TDI quattro S tronic remains a popular choice in the used car market, offering a compelling blend of practicality, efficiency, and premium features. Regular servicing, including oil changes and filter replacements, is crucial for maintaining the longevity of the engine and transmission. The quattro all-wheel-drive system requires periodic inspection and maintenance to ensure optimal performance. Overall, the A3 40 TDI quattro S tronic represents a well-engineered and durable vehicle that continues to provide a rewarding ownership experience.


