The Audi A3 Sedan (8Y) 35 TFSI, equipped with a 150 horsepower mild hybrid powertrain and a 7-speed S tronic dual-clutch transmission, represents a key entry point into the fourth generation of Audi’s compact executive sedan. Introduced in April 2020 and continuing through the 2024 model year, this variant aimed to balance fuel efficiency, modern technology, and a comfortable driving experience within the A3 lineup. It’s positioned as a mainstream offering, appealing to buyers prioritizing practicality and advanced features over outright performance, slotting below the more powerful 40 TFSI and S3 models. The 8Y A3 sedan marked a significant evolution for the model, incorporating a more sophisticated interior, updated technology, and a refined chassis compared to its predecessor.
Technical Specifications
| Brand | Audi |
| Model | A3 |
| Generation | A3 Sedan (8Y) |
| Type (Engine) | 35 TFSI (150 Hp) Mild Hybrid S tronic |
| Start of production | April, 2020 |
| End of production | 2024 |
| Powertrain Architecture | MHEV (Mild Hybrid Electric Vehicle) |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Combined fuel consumption (WLTP) | 5.5-6.1 l/100 km (42.8 – 38.6 US mpg) |
| CO2 emissions (WLTP) | 124-139 g/km |
| Fuel consumption (urban NEDC) | 6.0-6.2 l/100 km (39.2 – 37.9 US mpg) |
| Fuel consumption (extra urban NEDC) | 3.9-4.2 l/100 km (60.3 – 56 US mpg) |
| Fuel consumption (combined NEDC) | 4.7-4.9 l/100 km (50 – 48 US mpg) |
| CO2 emissions (NEDC) | 107-113 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8.4 sec |
| Acceleration 0 – 62 mph | 8.4 sec |
| Acceleration 0 – 60 mph | 8 sec (Calculated) |
| Maximum speed | 232 km/h (144.16 mph) |
| Emission standard | EURO VId – TEMP – EVAP – ISC |
| Weight-to-power ratio | 8.8 kg/Hp |
| Weight-to-torque ratio | 5.3 kg/Nm |
| Electric motor power | 4 Hp |
| Electric motor Torque | 50 Nm (36.88 lb.-ft.) |
| Power | 150 Hp @ 5000-6000 rpm |
| Torque | 250 Nm @ 1500-2500 rpm (184.39 lb.-ft.) |
| Engine layout | Front, Transverse |
| Engine Model/Code | DPCA |
| Engine displacement | 1498 cm3 (91.41 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 74.5 mm (2.93 in.) |
| Piston Stroke | 85.9 mm (3.38 in.) |
| Compression ratio | 10.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 4.3 l (4.54 US qt | 3.78 UK qt) |
| Coolant capacity | 11.2 l (11.83 US qt | 9.85 UK qt) |
| Kerb Weight | 1320 kg (2910.1 lbs.) |
| Max. weight | 1875 kg (4133.67 lbs.) |
| Max load | 555 kg (1223.57 lbs.) |
| Trunk (boot) space – minimum | 425 l (15.01 cu. ft.) |
| Fuel tank capacity | 50 l (13.21 US gal | 11 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (8%) | 1700 kg (3747.86 lbs.) |
| Permitted trailer load with brakes (12%) | 1500 kg (3306.93 lbs.) |
| Permitted trailer load without brakes | 690 kg (1521.19 lbs.) |
| Permitted towbar download | 80 kg (176.37 lbs.) |
| Length | 4495 mm (176.97 in.) |
| Width | 1816 mm (71.5 in.) |
| Width including mirrors | 1984 mm (78.11 in.) |
| Height | 1425 mm (56.1 in.) |
| Wheelbase | 2636 mm (103.78 in.) |
| Front track | 1554 mm (61.18 in.) |
| Rear track | 1525 mm (60.04 in.) |
| Front overhang | 905 mm (35.63 in.) |
| Rear overhang | 954 mm (37.56 in.) |
| Drag coefficient (Cd) | 0.25 |
| Minimum turning circle | 11.1 m (36.42 ft.) |
| Drivetrain Architecture | FWD, MHEV |
| Number of gears | 7 |
| Gearbox type | Automatic, S tronic |
| Front suspension | Independent McPherson |
| Rear suspension | Independent multi-link |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
INTRODUCTION
The Audi A3 Sedan (8Y) 35 TFSI Mild Hybrid represents a significant step forward in the compact luxury segment. Launched in 2020, this model is built on the Volkswagen Group’s MQB platform (specifically the 8Y iteration), shared with other vehicles like the Volkswagen Golf and SEAT Leon. The “35 TFSI” designation indicates the engine’s power output, while “Mild Hybrid” signifies the inclusion of a 48-volt electrical system designed to improve fuel economy and reduce emissions. The S tronic transmission, Audi’s name for its dual-clutch gearbox, is a key component of this variant, offering quick and smooth gear changes. This particular configuration was aimed at buyers seeking a balance between performance, efficiency, and technology, making it a popular choice in European and Asian markets.
Powertrain & Engine Architecture
At the heart of the A3 35 TFSI lies the DPCA engine, a 1.5-liter turbocharged inline-four cylinder gasoline engine. This engine utilizes direct fuel injection and an exhaust gas turbocharger with an intercooler to deliver 150 horsepower and 250 Nm (184 lb-ft) of torque. The mild hybrid system incorporates a belt starter generator (BSG) and a small lithium-ion battery. The BSG allows for extended start-stop operation, regenerative braking, and a limited amount of electric assistance during acceleration. The S tronic 7-speed dual-clutch transmission provides rapid and seamless gear changes, contributing to both performance and efficiency. This transmission features a wet clutch design for improved heat dissipation and durability. The engine’s architecture is designed for optimal thermal management, with a focus on reducing friction and maximizing combustion efficiency.
Driving Characteristics
The A3 35 TFSI with the S tronic transmission offers a refined and comfortable driving experience. Acceleration from 0 to 100 km/h (0-62 mph) takes approximately 8.4 seconds, which is adequate for everyday driving but doesn’t offer the same level of performance as the more powerful 40 TFSI variant. The S tronic transmission’s quick shifts contribute to a responsive feel, and the engine provides a usable amount of torque across a wide rev range. The mild hybrid system is largely transparent to the driver, providing subtle assistance during acceleration and enabling smoother start-stop transitions. Compared to a manual transmission, the S tronic offers greater convenience and ease of use, particularly in urban traffic. However, some enthusiasts may prefer the more engaging feel of a manual gearbox.
Equipment & Trim Levels
The A3 35 TFSI typically came standard with a generous array of features, including Audi’s Virtual Cockpit digital instrument cluster, a touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, 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 common options included upgraded alloy wheels, a panoramic sunroof, and a premium sound system. The interior design emphasized a minimalist aesthetic with high-quality materials and a focus on ergonomics.
Chassis & Braking
The A3 35 TFSI utilizes an independent suspension setup, with McPherson struts at the front and a multi-link suspension at the rear. This configuration provides a good balance between ride comfort and handling precision. The steering is electrically assisted, offering a light and responsive feel. Braking duties are handled by ventilated disc brakes at the front and solid disc brakes at the rear. Anti-lock braking system (ABS) and electronic stability control (ESC) are standard features, enhancing safety and control. The chassis is tuned to provide a comfortable and predictable driving experience, prioritizing stability and ease of use over outright sportiness.
Market Reception & Comparison
The A3 35 TFSI Mild Hybrid was generally well-received by automotive critics, who praised its fuel efficiency, comfortable ride, and advanced technology. Compared to the higher-output 40 TFSI variant, the 35 TFSI offered a more affordable entry point into the A3 range, albeit with slightly less performance. Fuel economy was a key selling point, with the mild hybrid system helping to reduce emissions and improve MPG. Reliability reports have been generally positive, with few major issues reported. Compared to competitors like the BMW 2 Series Gran Coupe and Mercedes-Benz A-Class Sedan, the A3 35 TFSI offered a compelling combination of features, performance, and value.
Legacy
The Audi A3 Sedan (8Y) 35 TFSI Mild Hybrid has established itself as a reliable and efficient compact luxury sedan. On the used car market, these models are generally well-regarded for their build quality and advanced features. The 1.5-liter engine and S tronic transmission have proven to be durable and relatively maintenance-free. As with any modern vehicle, regular maintenance is crucial to ensure long-term reliability. The integration of mild hybrid technology represents a significant step towards greater fuel efficiency and reduced emissions, making this variant a relevant and appealing option for buyers seeking a modern and environmentally conscious vehicle.
