Audi A6 1998 Avant 1.8 5V
Audi A6 1998 1.8 petrol description
Estate car / wagon Audi A6 1998 Avant 1.8 5V has been produced from April, 1998 to January, 2001. It has four-cylinder petrol engine with displacement of 1.8 litres, which produces power of 125 horsepower on 5800 rpm and torque 170 Nm (Newton metres) on 3500 revolutions per minute.
This 4-cylinder 20-valve engine camshaft is driven by belt and chain (What is an engine chain and belt? ). Engine has fuel injection system, this is an atmospheric engine (without turbine). The engine meets the Euro 2 emissions standard. Engine lifespan (mileage before major repairs or overhaul) can last from 290 up to 490 thousand kilometres. Remember that engine life depends on regular maintenance and the quality of the materials used (oils, fuels, etc.).
More engine specs
This engine is known for its reliability and durability, often lasting over 450,000 km with proper maintenance. Regular maintenance, particularly using high-quality oil, is essential to maximize its lifespan and performance.
One of the most ...
This Audi A6 1.8 engine oil type is 5W-30 and oil capacity is 4.5 litres.
Audi A6 1998 Avant 1.8 5V has front wheel drive (FWD) and automatic gearbox with 4 gears.
Audi A6 1998 Avant 1.8 5V accelerates to speed 100 kilometres per hour in 13.5 seconds. The maximum speed of this car is 193 km/h.
Audi A6 1998 Avant 1.8 5V fuel consumption is 9.2 litres per 100km in combined city/highway mode (10.9 km/l), city fuel economy - 12.9 l/100km, fuel consumption on highway - 7.1 l/100km. Fuel tank capacity is 70 litres or 18.49 gallons, which gives a mileage up to 760 kilometers without refueling in urban cycle and even up to 980 kilometers on highway.
Audi A6 safety
During safety testing Audi A6 has obtained 3 stars from five, which means average safety level.
Adults (driver and passenger) safety of Audi A6 is evaluated with three stars, and for pedestrian protection Audi A6 got two stars.
Audi A6 1998 Avant 1.8 5V technical data
| Model: | Audi A6 Avant 1.8 5V | ||
|---|---|---|---|
| Body style: | Estate car / wagon | ||
| Production period: | 1998. April ... 2001. January | ||
| Engine: | 1781 cm3 Petrol, 4 cylinders | CO2 emissions: | 221 g/km |
| Power: | 125 HP ON 5800 RPM | Torque: | 170 NM ON 3500 RPM |
| Gearbox: | Automatic gearbox (4 gears) | Drive type: | Front wheel drive (FWD) |
| Top speed: | 193 km/h | Acceleration 0-100 km/h: | 13.5 seconds |
| Fuel consumption (l/100km): | 9.2 (combined) 12.9 (urban) 7.1 (highway) | ||
| Fuel tank capacity: | 70 litres (18.5 gallons) | ||
| Car dimensions: | 4.80m (length) 1.81m (width) 1.48m (height) | ||
| Turning diameter: | 11.7 meters | ||
| Trunk capacity: | 455 litres | ||
| Gross weight: | 2015 kg | ||
Audi A6 1998 Avant 1.8 5V engine AGN
Engine reliability and common problems:
This engine is known for its reliability and durability, often lasting over 450,000 km with proper maintenance. Regular maintenance, particularly using high-quality oil, is essential to maximize its lifespan and performance.One of the most common issues is the failure of the vacuum regulator for the intake manifold flaps. Dirty injectors or a throttle body often cause fluctuating idle speeds, while the crankcase ventilation system frequently creates problems due to its sensitivity. The lambda sensor, coolant temperature sensor, and mass airflow sensor (MAF) have relatively short lifespans. A faulty MAF can lead to increased fuel consumption and hesitation at mid-range RPMs due to incorrect air flow readings. Air leaks in the intake manifold are also frequent, causing an improper air-fuel mixture. These leaks typically occur at the crankcase ventilation valve, vacuum hoses, or connections at the end of the manifold.
Ignition coils are not very durable and can fail entirely, crack, or exhibit intermittent faults, especially when heated. Worn high-voltage wires may also cause misfires at idle or power loss in the mid-RPM range.
Oil leaks are another concern, particularly from the seal between the oil cooler and its bracket. This seal, used in VAG engines since the 1980s, often hardens around 150,000 km, leading to significant oil loss, especially during cold starts. In severe cases, ignoring the oil pressure warning can result in engine failure. It is recommended to replace the seal preventively every 100,000 km and carry a spare for emergencies.
The timing belt is tensioned with a mechanical roller but also includes a hydraulic damper to reduce belt vibrations caused by intake valve phase adjustments. The damper, while generally reliable, may fail, causing knocking sounds and chain noise during phase changes. The damper should ideally be replaced with the timing belt and tensioner every 120,000 km.
Overall, while the engine has its weaknesses, it is robust and relatively easy to repair, offering excellent longevity when properly maintained.
Overall, this engine can last around 290,000 to 490,000 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 | 1781 cm3 |
|---|---|
| Number of cylinders | 4 |
| Bore (cylinder diameter) | 81 mm |
| Stroke length (piston move) | 86.4 mm |
| Compression ratio | 10.3 : 1 |
| Camshaft drive | Timing chain and belt |
| Fuel system | Injection |
| Audi A6 1998 Avant 1.8 5V oil type | 5W-30 |
| Oil capacity | 4.5 litres (4.8 quarts) |
| Power | 125 HP ON 5800 RPM |
| Torque | 170 NM ON 3500 RPM |
| Engine manufacturer | Volkswagen (VW) |
| Start of production (year) | 1996 |
| Duration of production | 4 years |
| Engine also used on | Audi A4 Volkswagen Golf Skoda Octavia Volkswagen Bora and 2 other models |
All Audi A6 estate car [1998 - 2001] modifications
| Modification | Engine | Power | Consumption | Gearbox | Drive type |
|---|---|---|---|---|---|
|
Audi A6 1998 Avant 1.8 5V
Apr 1998 — Jan 2001 Most fuel efficient petrol version by real consumption |
1.8 Petrol | 125 HP | 8.6 l/100km | Manual (5) | Front wheel |
| Audi A6 1998 Avant 1.8 5V Apr 1998 — Jan 2001 | 1.8 Petrol | 125 HP | 9.2 l/100km | Automatic (4) | Front wheel |
|
Audi A6 1998 Avant 1.8 5V Turbo
Apr 1998 — Jan 2001 Most fuel efficient petrol version |
1.8 Petrol | 150 HP | 8.5 l/100km | Manual (5) | Front wheel |
|
Audi A6 2001 Avant 1.8 5V Turbo
Jan 2001 — Jun 2001 Most fuel efficient petrol version |
1.8 Petrol | 150 HP | 8.5 l/100km | Manual | Front wheel |
| Audi A6 1998 Avant 1.8 5V Turbo Apr 1998 — Jan 2001 | 1.8 Petrol | 150 HP | 9.6 l/100km | Automatic (5) | Front wheel |
| Audi A6 1998 Avant 1.8 5V Turbo Quattro 4x4 | 1.8 Petrol | 150 HP | 9.5 l/100km | Manual (5) | All wheel |
|
Audi A6 1998 Avant 1.9 TDI
Apr 1998 — Jan 2001 Most fuel efficient diesel version |
1.9 Diesel | 110 HP | 5.8 l/100km | Manual (5) | Front wheel |
| Audi A6 1998 Avant 1.9 TDI Apr 1998 — Jan 2001 | 1.9 Diesel | 110 HP | 6.8 l/100km | Automatic (4) | Front wheel |
|
Audi A6 2001 Avant 1.9 TDI
Jan 2001 — Jun 2001 Most fuel efficient diesel version by real consumption |
1.9 Diesel | 115 HP | - | Manual (5) | Front wheel |
| Audi A6 1998 Avant 2.4 5V | 2.4 Petrol | 165 HP | 9.9 l/100km | Manual (5) | Front wheel |
| Audi A6 2001 Avant 2.4 5V Jan 2001 — Jun 2001 | 2.4 Petrol | 165 HP | 10.7 l/100km | Manual | Front wheel |
| Audi A6 1998 Avant 2.4 5V Apr 1998 — Jan 2001 | 2.4 Petrol | 165 HP | 10.8 l/100km | Automatic (5) | Front wheel |
| Audi A6 1998 Avant 2.4 5V Quattro 4x4 | 2.4 Petrol | 165 HP | 10.9 l/100km | Manual (5) | All wheel |
| Audi A6 1998 Avant 2.4 5V Quattro 4x4 | 2.4 Petrol | 165 HP | 11.2 l/100km | Automatic (5) | All wheel |
| Audi A6 1998 Avant 2.5 TDI | 2.5 Diesel | 150 HP | 7.0 l/100km | Manual (6) | Front wheel |
| Audi A6 1998 Avant 2.5 TDI | 2.5 Diesel | 150 HP | 8.0 l/100km | Automatic (5) | Front wheel |
| Audi A6 1998 Avant 2.5 TDI Quattro 4x4 | 2.5 Diesel | 150 HP | 8.0 l/100km | Manual (6) | All wheel |
| Audi A6 1998 Avant 2.5 TDI Quattro 4x4 | 2.5 Diesel | 150 HP | 8.9 l/100km | Automatic (5) | All wheel |
| Audi A6 2000 Avant 2.5 TDI Jan 2000 — Jun 2001 | 2.5 Diesel | 180 HP | 8.1 l/100km | Automatic (5) | Front wheel |
| Audi A6 2000 Avant 2.5 TDI Quattro 4x4 Jan 2000 — Jun 2001 | 2.5 Diesel | 180 HP | 8.0 l/100km | Manual (6) | All wheel |
| Audi A6 2000 Avant 2.5 TDI Quattro 4x4 Jan 2000 — Jun 2001 | 2.5 Diesel | 180 HP | 8.9 l/100km | Automatic (5) | All wheel |
| Audi A6 1999 Avant 2.7 5V Turbo Jan 1999 — Jan 2001 | 2.7 Petrol | 230 HP | 10.5 l/100km | Manual (6) | Front wheel |
| Audi A6 1999 Avant 2.7 5V Turbo Jan 1999 — Jan 2001 | 2.7 Petrol | 230 HP | 11.0 l/100km | Automatic (5) | Front wheel |
| Audi A6 1999 Avant 2.7 5V Turbo Quattro 4x4 Jan 1999 — Jun 2001 | 2.7 Petrol | 230 HP | 11.7 l/100km | Manual (6) | All wheel |
| Audi A6 1999 Avant 2.7 5V Turbo Quattro 4x4 Jan 1999 — Jun 2001 | 2.7 Petrol | 230 HP | 12.2 l/100km | Automatic (5) | All wheel |
| Audi A6 1998 Avant 2.8 5V | 2.8 Petrol | 193 HP | 9.9 l/100km | Manual (5) | Front wheel |
| Audi A6 2000 Avant 2.8 5V Jan 2000 — Jun 2001 | 2.8 Petrol | 193 HP | 9.7 l/100km | Manual | Front wheel |
| Audi A6 1998 Avant 2.8 5V Apr 1998 — Jan 2000 | 2.8 Petrol | 193 HP | 10.7 l/100km | Automatic (5) | Front wheel |
| Audi A6 1998 Avant 2.8 5V Quattro 4x4 | 2.8 Petrol | 193 HP | 10.8 l/100km | Manual (5) | All wheel |
| Audi A6 1998 Avant 2.8 5V Quattro 4x4 | 2.8 Petrol | 193 HP | 11.6 l/100km | Automatic (5) | All wheel |
|
Audi A6 1999 Avant 4.2 V8 Quattro 4x4
Apr 1999 — Jun 2001 Most dynamic version - 100 km/h in 7.1 seconds |
4.2 Petrol | 300 HP | 13.1 l/100km | Automatic (5) | All wheel |