The Audi A4 Avant (B9 8W) 35 TDI S tronic, produced from 2018 to 2019, represents a key variant within the facelifted fourth generation (B9) of Audi’s popular compact executive estate car. Positioned as a mid-range offering, it combined a fuel-efficient diesel engine with Audi’s renowned S tronic dual-clutch transmission. This model aimed to balance practicality, economy, and a refined driving experience, catering to buyers seeking a versatile family vehicle with a premium feel. It was primarily marketed in Europe, where diesel estates held significant market share, offering a compelling alternative to petrol-powered options and larger, more expensive vehicles.
Technical Specifications
| Brand | Audi |
| Model | A4 |
| Generation | A4 Avant (B9 8W, facelift 2018) |
| Type (Engine) | 35 TDI (150 Hp) S tronic |
| Start of production | 2018 |
| End of production | 2019 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 4.9-5.0 l/100 km (48-47 US mpg, 57.6-56.5 UK mpg, 20.4-20 km/l) |
| Fuel consumption (extra urban) | 4.1-4.4 l/100 km (57.4-53.5 US mpg, 68.9-64.2 UK mpg, 24.4-22.7 km/l) |
| Fuel consumption (combined) | 4.4-4.6 l/100 km (53.5-51.1 US mpg, 64.2-61.4 UK mpg, 22.7-21.7 km/l) |
| CO2 emissions | 114-121 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 9.2 sec |
| Acceleration 0 – 62 mph | 9.2 sec |
| Acceleration 0 – 60 mph | 8.7 sec |
| Maximum speed | 213 km/h (132.35 mph) |
| Emission standard | Euro 6d – TEMP |
| Weight-to-power ratio | 10.1 kg/Hp, 98.7 Hp/tonne |
| Weight-to-torque ratio | 4.8 kg/Nm, 210.5 Nm/tonne |
| Power | 150 Hp @ 3250-4200 rpm |
| Power per litre | 76.2 Hp/l |
| Torque | 320 Nm @ 1500-3250 rpm (236.02 lb.-ft. @ 1500-3250 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | DEUA |
| Engine displacement | 1968 cm3 (120.09 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Engine oil capacity | 4.7 l (4.97 US qt | 4.14 UK qt) |
| Kerb Weight | 1520 kg (3351.03 lbs.) |
| Max. weight | 2150 kg (4739.94 lbs.) |
| Max load | 630 kg (1388.91 lbs.) |
| Trunk (boot) space – minimum | 495 l (17.48 cu. ft.) |
| 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 | 4738 mm (186.54 in.) |
| Width | 1842 mm (72.52 in.) |
| Width including mirrors | 2022 mm (79.61 in.) |
| Height | 1435 mm (56.5 in.) |
| Wheelbase | 2820 mm (111.02 in.) |
| Front track | 1572 mm (61.89 in.) |
| Rear (Back) track | 1555 mm (61.22 in.) |
| Front overhang | 880 mm (34.65 in.) |
| Rear overhang | 1038 mm (40.87 in.) |
| Minimum turning circle | 11.6 m (38.06 ft.) |
| Drivetrain Architecture | 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 | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
Powertrain & Engine Architecture
The 35 TDI designation indicates a 2.0-liter inline-four cylinder diesel engine, specifically the DEUA engine code. This engine is a member of the Volkswagen Group’s modular engine family, known for its compact dimensions and efficiency. It utilizes a common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. A turbocharger with an intercooler further enhances performance by forcing more air into the cylinders. The engine produces 150 horsepower at 3250-4200 rpm and 320 Nm (236 lb-ft) of torque between 1500-3250 rpm. This broad torque curve provides strong pulling power from low engine speeds, making it well-suited for everyday driving and hauling loads. The engine also incorporates a diesel particulate filter (DPF) to reduce emissions, meeting stringent Euro 6d-TEMP standards. The S tronic transmission is a seven-speed dual-clutch gearbox. It offers rapid, seamless gear changes and contributes to improved fuel efficiency compared to a traditional torque converter automatic.
Driving Characteristics
The 150 hp and 320 Nm output of the 35 TDI S tronic delivers a respectable, if not exhilarating, driving experience. Acceleration from 0-100 km/h (0-62 mph) takes around 9.2 seconds. The S tronic transmission is a key factor in the car’s responsiveness, providing quick shifts and keeping the engine within its optimal power band. Compared to the more powerful 40 TDI variants, the 35 TDI feels less urgent in acceleration, but it offers a more relaxed and fuel-efficient driving style. The gear ratios are tuned for a balance between performance and economy, with taller gearing in higher gears to reduce engine speed at cruising speeds. 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 35 TDI S tronic typically came equipped with a generous level of standard features. These included Audi’s MMI infotainment system with a 7-inch display, three-zone automatic climate control, and a leather-wrapped multifunction steering wheel. Standard safety equipment included ABS, electronic stability control, and multiple airbags. Upholstery was typically cloth, but leather options were available. Common optional extras included larger alloy wheels, a panoramic sunroof, a navigation system, and advanced driver-assistance systems such as adaptive cruise control and lane departure warning. Trim levels varied slightly depending on the market, but generally followed a progression from ‘SE’ or ‘Sport’ to ‘S line’, with the latter offering a more aggressive styling package and additional equipment.
Chassis & Braking
The B9 A4 Avant features a sophisticated chassis design with independent multi-link suspension at both the front and rear. This setup provides a comfortable ride quality and precise handling. The 35 TDI variant, being a mid-range model, typically came with standard-sized stabilizer bars. Braking is handled by ventilated discs on all four wheels, providing ample stopping power. ABS (Anti-lock Braking System) is standard, enhancing safety during emergency braking situations. The steering is an electric power-assisted rack and pinion system, offering a responsive and precise feel.
Market Reception & Comparison
The Audi A4 Avant 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 150 hp engine could feel underpowered when fully loaded or tackling steep hills. Compared to the 40 TDI, the 35 TDI offered lower running costs but sacrificed some performance. Against competitors like the BMW 3 Series Touring and Mercedes-Benz C-Class Estate, the A4 Avant 35 TDI S tronic held its own, offering a compelling combination of practicality, luxury, and efficiency.
Legacy
The DEUA engine, while generally reliable, is known to require regular maintenance, particularly regarding the DPF and turbocharger. The S tronic transmission is also a complex unit that can be expensive to repair if issues arise. However, with proper servicing, these powertrains can provide many years of reliable operation. In the used car market, the A4 Avant 35 TDI S tronic represents a good value proposition for buyers seeking a practical and efficient estate car with a premium badge. Its fuel economy and relatively low running costs make it an attractive option for those covering long distances.
