Audi A4 2019 40 TDI (Avant B9)

Audi A4 2019 2.0 diesel description

Estate car / wagon Audi A4 2019 40 TDI has been produced from 2019 to 2020. It has four-cylinder diesel engine with displacement of 2.0 litres, which produces power of 190 horsepower on 3800 rpm and torque 400 Nm (Newton metres) on 1750 revolutions per minute.

This 4-cylinder 16-valve engine camshaft is driven by belt (What is an engine chain and belt? ). Engine has Common Rail fuel system and BorgWarner BV43D turbine. Engine versions compliant with Euro 5 and Euro 6 emission standards available. Approximate engine life expectancy (mileage until serious repairs are required) for this engine is between 270 000 and 450 000 kilometres. Note that engine life can be longer or shorter depending on maintenance.
More engine specs 
The Audi 2.0 TDI from the EA288 family (engine code DETA, 190 hp) is a modern diesel designed to combine good performance with efficiency. In general it has a solid reputation and, when properly maintained, can  ...  This Audi A4 2.0 engine oil type is 5W-30 and oil capacity is 4.7 litres.

Audi A4 2019 40 TDI has front wheel drive (FWD) and automatic gearbox with 7 gears.
Audi A4 2019 40 TDI accelerates to speed 100 kilometres per hour in 7.6 seconds. The maximum speed of this car is 230 km/h.

In combined cycle (city and motorway), the Audi A4 2019 40 TDI fuel consumption is 5.3 litres per 100km (18.9 km/l), city fuel economy - 5.9 l/100km, fuel consumption on highway - 5 l/100km. Fuel tank capacity is 58 litres or 15.32 gallons, which gives a mileage up to 1080 kilometers without refueling in urban cycle and even up to 1160 kilometers on highway.

With the same engine there is also Audi A4 version with four wheel (4x4) drive and automatic gearbox (Audi A4 2019 Avant 2.0 TDI quattro AT 4x4) available, which manufacturer's fuel consumption is higher by 1.2 litres per 100 km or 23 % - 6.5 litres per 100 km.
Audi A4 2019

Audi A4 2019 40 TDI technical data

Model: Audi A4 40 TDI
Body style: Estate car / wagon
Production period: 2019. January ... 2020. December 
Engine: 1968 cm3 Diesel, 4 cylinders CO2 emissions: no data
Power: 190 HP ON 3800 RPM Torque: 400 NM ON 1750 RPM
Gearbox: Automatic gearbox (7 gears) Drive type: Front wheel drive (FWD)
Top speed: 230 km/h Acceleration 0-100 km/h: 7.6 seconds
Fuel consumption (l/100km): 5.3 (combined) 5.9 (urban) 5.0 (highway)
Fuel tank capacity: 58 litres (15.3 gallons)
Car dimensions: 4.76m (length) 1.85m (width) 1.44m (height)
Turning diameter: 11.6 meters
Seats: 5 seats
Trunk capacity: 495 litres
Trunk max capacity: 1495 litres (with rear seats folded down)
Gross weight: 2230 kg

Audi A4 2019 40 TDI engine DETA

Engine reliability and common problems:

The Audi 2.0 TDI from the EA288 family (engine code DETA, 190 hp) is a modern diesel designed to combine good performance with efficiency. In general it has a solid reputation and, when properly maintained, can exceed 300,000 km. Nevertheless, like most contemporary diesel engines, it has several components that tend to require attention over time.

One of the weaker points is the dual-mass flywheel. In some cases it begins to wear out relatively early, sometimes before 100,000 km, which leads to noticeable vibrations and noise. Another common issue involves the EGR system. Carbon deposits accumulate quickly in the valve and intake passages, especially in vehicles used mainly for city driving, which can cause warning lights, reduced performance, and the need for periodic cleaning or replacement.

The fuel system is also quite sensitive to diesel quality. Using low-grade fuel can significantly shorten the lifespan of the injectors and other fuel components, often resulting in expensive repairs. The water pump is another part that may fail earlier than expected, sometimes before the scheduled replacement of the timing belt.

Like many modern diesels equipped with a particulate filter, this engine requires the correct low-ash oil specification. Using oil that does not meet VW 507.00 or 509.00 standards can shorten the life of the DPF and lead to additional maintenance costs. Increased oil consumption is not common but may appear at higher mileage or in engines that have not been serviced regularly.

Despite these weaknesses, the DETA remains a capable and generally reliable diesel engine when maintained carefully. Regular oil changes with the proper specification, good-quality fuel, and attention to emissions components are essential for long-term durability.
Overall, this engine can last around 270,000 to 450,000 km if properly maintained, using the correct quality oil and fuel, and carrying out regular checks and maintenance.
The engine has hydraulic valve tappets (lifters), which provide quieter operation and do not require periodic adjustment, but are more complex in design and can cause serious engine damage in the event of failure.
Engine displacement 1968 cm3
Number of cylinders 4
Bore (cylinder diameter) 81 mm
Stroke length (piston move) 95.5 mm
Compression ratio 15.5 : 1
Camshaft drive Timing belt

Timing belt engines are generally quieter and less vibrating than chain engines, but belt usually needs to be replaced more often and the risk of breakage is higher.

Timing belt change interval 90,000 km
Fuel system Common Rail

Common rail fuel injection provides more engine power, is quieter, more environmentally friendly and offers better fuel economy, but is more expensive to maintain and repair.

Audi A4 2019 40 TDI oil type 5W-30
Oil capacity 4.7 litres (5 quarts)
Coolant capacity 12.2 litres (12.9 quarts)
Power 190 HP ON 3800 RPM
Torque 400 NM ON 1750 RPM
Start of production (year) 2015
Duration of production 11 years
Engine also used on Audi A6 Audi A5 Audi Q5 Audi Q3

Generally, the use of an engine in several models and its long production run is an indication of the quality of the engine and the success of its design.

All Audi A4 estate car [2019 - 2024] modifications

Modification Engine Power Consumption Gearbox Drive type
Audi A4 2019 Avant 2.0 TFSI 4x4 2.0 Petrol
MHEV hybrid engine
245 HP 6.9 l/100km Automatic (7) All wheel
Audi A4 2019 2.0 30 TDI Jan 2019 — Dec 2020

Most fuel efficient diesel version

2.0 Diesel 122 HP 4.4 l/100km Manual (6) Front wheel
Audi A4 2019 2.0 30 TDI Jan 2019 — Dec 2020 2.0 Diesel 136 HP 5.8 l/100km Automatic (7) Front wheel
Audi A4 2020 2.0 30 TDI Jan 2020 — Dec 2024 2.0 Diesel
MHEV hybrid engine
136 HP 5.6 l/100km Automatic (7) Front wheel
Audi A4 2019 2.0 35 TDI Jan 2019 — Dec 2020 2.0 Diesel 163 HP 5.8 l/100km Automatic (7) Front wheel
Audi A4 2020 2.0 35 TDI Jan 2020 — Dec 2024 2.0 Diesel
MHEV hybrid engine
163 HP 5.6 l/100km Automatic (7) Front wheel
Audi A4 2019 2.0 40 TDI Jan 2019 — Dec 2020 2.0 Diesel 190 HP 5.3 l/100km Automatic (7) Front wheel
Audi A4 2019 Avant 2.0 TDI quattro 4x4 Jan 2019 — Dec 2020

Most fuel efficient diesel version by real consumption

2.0 Diesel 190 HP 6.5 l/100km Automatic (7) All wheel
Audi A4 2020 2.0 40 TDI Jan 2020 — Dec 2024 2.0 Diesel
MHEV hybrid engine
204 HP 6.0 l/100km Automatic (7) Front wheel
Audi A4 2020 2.0 40 TDI 4x4 Jan 2020 — Dec 2024 2.0 Diesel
MHEV hybrid engine
204 HP 6.0 l/100km Automatic (7) All wheel
Audi A4 2020 2.0 35 TFSI Jan 2020 — Dec 2024 2.0 Hybrid
MHEV
150 HP 6.2 l/100km Manual (6) Front wheel
Audi A4 2020 2.0 35 TFSI Jan 2020 — Dec 2024 2.0 Hybrid
MHEV
150 HP 6.0 l/100km Automatic (7) Front wheel
Audi A4 2019 Avant 2.0 TFSI 2.0 Hybrid
MHEV
190 HP 6.1 l/100km Automatic (7) Front wheel
Audi A4 2020 2.0 40 TFSI Jan 2020 — Dec 2024 2.0 Hybrid
MHEV
204 HP 6.0 l/100km Automatic (7) Front wheel
Audi A4 2020 2.0 40 TFSI 4x4 Jan 2020 — Dec 2024 2.0 Hybrid
MHEV
204 HP 6.3 l/100km Automatic (7) All wheel
Audi A4 2020 2.0 45 TFSI 4x4 Jan 2020 — Dec 2024 2.0 Hybrid
MHEV
265 HP 7.2 l/100km Automatic (7) All wheel
Audi A4 2019 Avant 3.0 TDI quattro 4x4 Jan 2019 — Dec 2019 3.0 Diesel 231 HP 5.6 l/100km Automatic (8) All wheel
Audi A4 2019 3.0 50 TDI V6 4x4 Jan 2019 — Dec 2020

Most dynamic version - 100 km/h in 5.3 seconds

3.0 Diesel 286 HP 6.1 l/100km Automatic (8) All wheel
Audi A4 2020 3.0 50 TDI V6 4x4 Jan 2020 — Dec 2023

Most dynamic version - 100 km/h in 5.3 seconds

3.0 Diesel
MHEV hybrid engine
286 HP 7.4 l/100km Automatic (8) All wheel
Audi A4 2019 reviews
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