The Audi A4 B9 8W, specifically the 35 TDI variant with the 7-speed S tronic dual-clutch transmission, represents a significant iteration in Audi’s long-running and highly successful A4 lineage. Introduced with the facelift in May 2019 and continuing through August 2020, this model aimed to balance fuel efficiency, respectable performance, and the premium experience Audi is known for. Positioned as a mid-range offering within the B9 A4 lineup, it slotted below the more powerful 40 TDI and 45 TFSI models, and above the entry-level engine options. This configuration was primarily targeted at European markets, where diesel engines and automatic transmissions remain highly popular, offering a compelling blend of economy and convenience for daily commuting and long-distance travel.
Technical Specifications
| Brand | Audi |
| Model | A4 |
| Generation | A4 (B9 8W, facelift 2019) |
| Type (Engine) | 35 TDI (163 Hp) S tronic |
| Start of production | May, 2019 |
| End of production | August, 2020 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Combined fuel consumption (WLTP) | 5.0-5.6 l/100 km (47 – 42 US mpg, 56.5 – 50.4 UK mpg, 20 – 17.9 km/l) |
| CO2 emissions (WLTP) | 134-148 g/km |
| Fuel consumption (urban) | 4.3-4.5 l/100 km (54.7 – 52.3 US mpg, 65.7 – 62.8 UK mpg, 23.3 – 22.2 km/l) |
| Fuel consumption (extra urban) | 3.5-3.9 l/100 km (67.2 – 60.3 US mpg, 80.7 – 72.4 UK mpg, 28.6 – 25.6 km/l) |
| Fuel consumption (combined) | 3.8-4.1 l/100 km (61.9 – 57.4 US mpg, 74.3 – 68.9 UK mpg, 26.3 – 24.4 km/l) |
| CO2 emissions | 100-109 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 8.2 sec |
| Acceleration 0 – 62 mph | 8.2 sec |
| Acceleration 0 – 60 mph | 7.8 sec |
| Maximum speed | 228 km/h (141.67 mph) |
| Emission standard | Euro 6d – TEMP – EVAP – ISC |
| Weight-to-power ratio | 9.2 kg/Hp, 109 Hp/tonne |
| Weight-to-torque ratio | 3.9 kg/Nm, 254.2 Nm/tonne |
| Power | 163 Hp @ 3250-4200 rpm |
| Power per litre | 82.8 Hp/l |
| Torque | 380 Nm @ 1500-2750 rpm (280.27 lb.-ft. @ 1500-2750 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | DEZE |
| Engine displacement | 1968 cm3 (120.09 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 5.5 l (5.81 US qt | 4.84 UK qt) |
| Coolant | 8 l (8.45 US qt | 7.04 UK qt) |
| Kerb Weight | 1495 kg (3295.91 lbs.) |
| Max. weight | 2095 kg (4618.68 lbs.) |
| Max load | 600 kg (1322.77 lbs.) |
| Fuel tank capacity | 40 l (10.57 US gal | 8.8 UK gal) |
| Max. roof load | 90 kg (198.42 lbs.) |
| Permitted trailer load with brakes (8%) | 1900 kg (4188.78 lbs.) |
| Permitted trailer load with brakes (12%) | 1700 kg (3747.86 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 80 kg (176.37 lbs.) |
| Length | 4762 mm (187.48 in.) |
| Width | 1847 mm (72.72 in.) |
| Width including mirrors | 2022 mm (79.61 in.) |
| Height | 1428 mm (56.22 in.) |
| Wheelbase | 2820 mm (111.02 in.) |
| Front track | 1572 mm (61.89 in.) |
| Rear track | 1555 mm (61.22 in.) |
| Front overhang | 899 mm (35.39 in.) |
| Rear overhang | 1043 mm (41.06 in.) |
| Minimum turning circle | 11.6 m (38.06 ft.) |
| 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 |
| Front suspension | Independent multi-link suspension |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
Powertrain & Engine Architecture
At the heart of the A4 35 TDI lies the Volkswagen Group’s 2.0-liter inline-four diesel engine, specifically the DEZE engine code. This engine is a turbocharged common-rail direct injection diesel, known for its balance of power and efficiency. The turbocharger, often with a variable geometry turbine (VGT), provides a broad torque curve, while the common-rail injection system ensures precise fuel delivery for optimized combustion. The engine produces 163 horsepower at 3250-4200 rpm and a substantial 380 Nm (280 lb-ft) of torque between 1500-2750 rpm. This torque output is a key characteristic of diesel engines, providing strong pulling power at lower engine speeds. The S tronic 7-speed dual-clutch transmission is a crucial component, offering quick and smooth gear changes. Unlike a traditional automatic transmission with a torque converter, the S tronic uses two clutches to pre-select the next gear, resulting in faster shifts and improved fuel economy.
Driving Characteristics
The 163 hp 35 TDI with the S tronic delivers a composed and refined driving experience. While not overtly sporty, the engine provides ample power for everyday driving and overtaking maneuvers. The S tronic transmission contributes to a responsive feel, and the readily available torque makes for effortless cruising. Compared to the more powerful 40 TDI, the 35 TDI feels less urgent in acceleration, taking approximately 8.2 seconds to reach 62 mph. However, the difference is often negligible in real-world driving scenarios. The S tronic’s gear ratios are tuned for a balance of acceleration and fuel efficiency, with taller gears for highway cruising. The front-wheel-drive configuration provides good traction in most conditions, although it can exhibit some torque steer under hard acceleration.
Equipment & Trim Levels
The A4 35 TDI typically came well-equipped, even in base trim. Standard features often included Audi’s MMI infotainment system with a 7-inch touchscreen display, automatic climate control, cloth upholstery, and a leather-wrapped steering wheel. Higher trim levels, such as Sport or S line, added features like sport seats, larger alloy wheels, and exterior styling enhancements. Optional extras included a virtual cockpit digital instrument cluster, a premium sound system, and advanced driver-assistance systems like adaptive cruise control and lane-keeping assist. Interior color options typically included black, gray, and brown, with varying upholstery materials available.
Chassis & Braking
The A4 B9 utilizes a sophisticated chassis design featuring independent multi-link suspension at both the front and rear axles. This setup provides a comfortable ride quality while maintaining good handling characteristics. The 35 TDI variant typically featured ventilated front disc brakes and solid rear discs. ABS (Anti-lock Braking System) was standard, along with electronic stability control. The suspension tuning was generally geared towards comfort, with a focus on absorbing bumps and providing a stable ride. Stabilizer bars were fitted to both axles to reduce body roll during cornering.
Market Reception & Comparison
The A4 35 TDI S tronic was generally well-received by automotive critics. It was praised for its fuel efficiency, comfortable ride, and refined interior. However, some reviewers noted that the engine lacked the outright performance of its more powerful siblings. Compared to the 40 TDI, the 35 TDI offered a lower price point and slightly better fuel economy, making it an attractive option for buyers prioritizing efficiency. Against competitors like the BMW 320d and Mercedes-Benz C200d, the A4 35 TDI held its own in terms of refinement and technology, although some rivals offered a more engaging driving experience.
Legacy
The DEZE engine, in various iterations, has proven to be a reliable and durable powertrain. While diesel engines have faced increased scrutiny in recent years, the A4 35 TDI remains a popular choice in the used car market, particularly for those seeking a fuel-efficient and comfortable long-distance cruiser. The S tronic transmission, while generally reliable, requires regular maintenance, including fluid changes, to ensure optimal performance. Overall, the A4 35 TDI S tronic represents a well-rounded and practical option within the B9 A4 range, offering a compelling blend of performance, efficiency, and premium features.
