The Audi A4 continues to set benchmarks in the compact executive segment with its latest mid-cycle refresh, particularly through the introduction of a completely redesigned **2.0-litre TDI diesel engine**. This powertrain, available in variants like the 35 TDI producing 163 horsepower and 380 Nm of torque, emphasizes efficiency while maintaining the model’s renowned refinement and driving pleasure. Designed with contemporary emissions standards such as WLTP and RDE in mind, it promises real-world usability without compromising on performance.
Engine Innovation and Performance
Audi’s engineering team has crafted an entirely new architecture for the 2.0 TDI, moving beyond mere updates to previous units. In the 35 TDI guise, it delivers robust output figures: 163 hp and a substantial 380 Nm of torque, enabling strong mid-range pull ideal for overtaking and highway cruising. This engine pairs seamlessly with a seven-speed dual-clutch automatic transmission, ensuring smooth shifts and responsive acceleration.
Performance metrics highlight its capability. While petrol counterparts like the 2.0 TFSI offer 248 hp in Quattro models, achieving 0-60 mph in around 5.2 seconds, the diesel variant prioritizes torque for effortless propulsion. Real-world tests confirm its composure, with reviewers noting predictable handling and a calm demeanor even in dynamic modes. Fuel economy stands out, with expectations of competitive figures under new testing regimes, often around 6 liters per 100 km in mixed driving.
| Engine Variant | Power (hp) | Torque (Nm) | 0-60 mph (est.) | Fuel Economy (mpg city/hwy) |
|---|---|---|---|---|
| 2.0 TDI 35 (Diesel) | 163 | 380 | ~8.0s | Competitive WLTP |
| 2.0 TFSI Quattro (Petrol) | 248 | 273 | 5.2s | 24/32 |
| 2.0 TFSI Ultra (Petrol) | 188 | 236 | ~6.5s | 27/35 |
This table compares key specs, underscoring the diesel’s torque advantage for practical motoring.
Chassis Dynamics and Ride Quality
The A4’s chassis shines with athletic poise, blending comfort and control. Its suspension absorbs imperfections exceptionally well, even on imperfect roads, while precise steering inspires confidence. Quattro all-wheel drive, optional on many models, enhances grip without sacrificing agility, making it a standout in corners.
- Smooth ride: Exceptionally composed over broken surfaces.
- Handling precision: Well-controlled body motions and sharp turn-in.
- Quattro benefits: Superior traction in varied conditions.
Reviewers praise its ‘confidence-inspiring dynamics,’ positioning it as a top sport sedan contender.
Interior Luxury and Technology
Step inside, and the A4 feels tech-forward, akin to a premium gadget with its digital interfaces. The cabin boasts high build quality, quiet operation, and intuitive controls, outshining some rivals in refinement. Space is practical for five, though rear legroom is adequate rather than class-leading.
Infotainment includes dual touchscreens for MMI navigation, Apple CarPlay, and Android Auto. Virtual Cockpit offers customizable displays, enhancing driver focus. Options like matrix LED headlights and adaptive cruise add to the premium appeal.
Efficiency and Real-World Economy
Diesel efficiency is a hallmark, with the 2.0 TDI targeting low consumption. Highway tests yield impressive returns, often exceeding 50 mpg equivalents in optimal conditions. Features like 12-volt mild-hybrid tech in some variants enable coasting for further savings, up to 0.4L/100km. EPA ratings for similar petrol models provide context: 24/32 mpg for Quattro, but diesels excel in Europe.
In aggressive driving with air conditioning and passengers, figures hover around 6L/100km, demonstrating versatility.
Design and Practicality
Exterior updates bring sharper lines and a more assertive stance, with S Line packages adding sporty flair. The Avant estate variant boosts cargo space, appealing to families. Build quality remains impeccable, with quiet cabins even on large wheels.
Safety and Driver Assistance
Audi equips the A4 with comprehensive aids: pre-sense front, lane-keeping, and traffic jam assist. Euro NCAP ratings for the generation affirm five stars, bolstered by strong crash structures.
Ownership Costs and Rivals
Pricing starts competitively, with diesels offering value through economy. Warranty covers 3 years/100,000 km. Rivals include BMW 3 Series and Mercedes C-Class, but the A4’s diesel torque and ride edge it ahead for many.
FAQ
What is the power output of the Audi A4 2.0 TDI 35?
It produces 163 hp and 380 Nm of torque.
How fuel-efficient is the A4 diesel?
Expect around 6L/100km in mixed use, optimized for WLTP.
Is Quattro available on the 2.0 TDI?
Yes, enhancing handling and traction.
How does it compare to petrol versions?
Diesel offers more torque for efficiency; petrol provides quicker acceleration.
What are the interior highlights?
Tech-rich cabin with Virtual Cockpit and high refinement.
References
- Audi A4 Avant 35 TDI diesel (2020) | Reviews | Complete Car — Complete Car. 2019-07-16. https://www.completecar.ie/car-reviews/article/Audi/A4/A4_Avant_35_TDI_diesel_(2020)/1540/9320/2019-Audi-A4-Avant-35-TDI-diesel-(2020)-review.html
- 2020 Audi A4 Review, Pricing, and Specs — Car and Driver. N/A. https://www.caranddriver.com/audi/a4-2020
- 2020 Audi A4 Review | Power, Size And Luxury — Drive. N/A. https://www.drive.com.au/reviews/2020-audi-a4-review/
- 2020 Audi A4 and A4 Allroad review — Practical Motoring. N/A. https://practicalmotoring.com.au/car-reviews/2020-audi-a4-plus-a4-allroad-review/
- 2020 Audi A4 Review: Expert Insights, Pricing, and Trims — MotorTrend. N/A. https://www.motortrend.com/cars/audi/a4/2020
- Audi A4 S line 35 TDI S Tronic review — Dedoimedo. N/A. https://www.dedoimedo.com/life/audi-a4-2-0-tdi-s-line-review.html

