Audi A8 1994 2.5 TDI Quattro
Audi A8 1994 2.5 diesel description
Sedan Audi A8 1994 2.5 TDI Quattro has been produced from August, 1997 to January, 1999. It has six-cylinder diesel engine with displacement of 2.5 litres, which produces power of 150 horsepower on 4000 rpm and torque 310 Nm (Newton metres) on 1500 revolutions per minute.
This 6-cylinder 24-valve engine camshaft is driven by belt (What is an engine chain and belt? ). Engine has fuel injection system and VGT turbine. The engine meets the Euro 2 emissions standard. Engine lifespan (mileage before major repairs or overhaul) can last from 220 up to 370 thousand kilometres. Remember that engine life depends on regular maintenance and the quality of the materials used (oils, fuels, etc.).
More engine specs
This Audi A8 2.5 engine oil type is 5W-30 and oil capacity is 6 litres.
Audi A8 1994 2.5 TDI Quattro has all four wheel drive (AWD, 4x4) and automatic gearbox with 5 gears.
Audi A8 1994 2.5 TDI Quattro accelerates to speed 100 kilometres per hour in 11.3 seconds. The maximum speed of this car is 213 km/h.
Audi A8 1994 2.5 TDI Quattro fuel consumption is 8.9 litres per 100km in combined city/highway mode (11.2 km/l), fuel consumption in city - 12.7 l/100km, highway fuel economy - 6.7 l/100km. Fuel tank capacity is 90 litres or 23.78 gallons, which gives a mileage up to 1000 kilometers without refueling in urban cycle and even up to 1340 kilometers on highway.
According to user reviews, the real everyday fuel consumption of this Audi is in line with, and sometimes even lower than, the manufacturer's stated combined consumption. More - Real Audi A8 fuel consumption.
- Audi A8 1997 2.5 TDI MT is more dynamic - it reaches 100 km/h 1.4 seconds faster (in 9.9 seconds), moreover, it is more economic with manufacturer's fuel consumption is lower by 1.6 litres per 100 km or 18 % - 7.3 litres per 100 km, whereas users reported real fuel consumption is lower by 1.8 litres per 100 km or 21 % - 6.6 litres per 100 km
- Audi A8 1997 2.5 TDI Automatic AT is more dynamic - it reaches 100 km/h 0.3 seconds faster (in 11 seconds), but manufacturer's fuel consumption is lower by 0.7 litres per 100 km or 8 % - 8.2 litres per 100 km, whereas users reported real fuel consumption is similar - 8.4 litres per 100 km

Audi A8 1994 2.5 TDI Quattro technical data
Model: | Audi A8 2.5 TDI Quattro | ||
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Body style: | Sedan | ||
Production period: | 1997. August ... 1999. January | ||
Engine: | 2496 cm3 Diesel, 6 cylinders | CO2 emissions: | no data |
Power: | 150 HP ON 4000 RPM | Torque: | 310 NM ON 1500 RPM |
Gearbox: | Automatic gearbox (5 gears) | Drive type: | All wheel drive (AWD, 4x4) |
Top speed: | 213 km/h | Acceleration 0-100 km/h: | 11.3 seconds |
Fuel consumption (l/100km): | 8.9 (combined) 12.7 (urban) 6.7 (highway) | ||
Real fuel consumption: | 9.2 l/100km (25.6 MPG) by user reviews from various sources | ||
Fuel tank capacity: | 90 litres (23.8 gallons) | ||
Car dimensions: | 5.03m (length) 1.88m (width) 1.44m (height) | ||
Turning diameter: | 12.3 meters | ||
Seats: | 5 seats | ||
Trunk capacity: | 525 litres | ||
Gross weight: | 2305 kg |
Audi A8 1994 2.5 TDI Quattro engine AFB
Engine reliability:
Overall, this engine can last around 220,000 to 370,000 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 | 2496 cm3 |
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Number of cylinders | 6 |
Bore (cylinder diameter) | 78.3 mm |
Stroke length (piston move) | 86.4 mm |
Compression ratio | 19.5 : 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. |
Fuel system | Injection |
Audi A8 1994 2.5 TDI Quattro oil type | 5W-30 |
Oil capacity | 6 litres (6.3 quarts) |
Coolant capacity | 8 litres (8.5 quarts) |
Power | 150 HP ON 4000 RPM |
Torque | 310 NM ON 1500 RPM |
Start of production (year) | 1997 |
Duration of production | 2 years |
Engine also used on | Audi A6 Audi A4 |
Most often compared to
All Audi A8 sedan [1994 - 1999] modifications
Modification | Engine | Power | Consumption | Gearbox | Drive type |
---|---|---|---|---|---|
Audi A8 1997 2.5 TDI
Aug 1997 — Jan 1999 Most fuel efficient diesel version |
2.5 Diesel | 150 HP | 7.3 l/100km | Manual (6) | Front wheel |
Audi A8 1997 2.5 TDI Automatic Aug 1997 — Jan 1999 | 2.5 Diesel | 150 HP | 8.2 l/100km | Automatic (5) | Front wheel |
Audi A8 1997 2.5 TDI Quattro 4x4 Aug 1997 — Jan 1999 | 2.5 Diesel | 150 HP | 8.9 l/100km | Automatic (5) | All wheel |
Audi A8 1994 2.8
Nov 1994 — Apr 1996 Most fuel efficient petrol version |
2.8 Petrol | 174 HP | 9.9 l/100km | Manual (5) | Front wheel |
Audi A8 1994 2.8 Automatic Nov 1994 — Apr 1996 | 2.8 Petrol | 174 HP | 10.7 l/100km | Automatic (4) | Front wheel |
Audi A8 1994 2.8 Quattro 4x4 Nov 1994 — Apr 1996 | 2.8 Petrol | 174 HP | 11.1 l/100km | Manual (5) | All wheel |
Audi A8 1994 2.8 Quattro Automatic 4x4 Nov 1994 — Apr 1996 | 2.8 Petrol | 174 HP | 11.7 l/100km | Automatic (4) | All wheel |
Audi A8 1996 2.8 5V
Apr 1996 — Jan 1999 Most fuel efficient petrol version |
2.8 Petrol | 193 HP | 9.9 l/100km | Manual (5) | Front wheel |
Audi A8 1996 2.8 5V Automatic
Apr 1996 — Jan 1999 Most fuel efficient petrol version by real consumption |
2.8 Petrol | 193 HP | 10.8 l/100km | Automatic (5) | Front wheel |
Audi A8 1996 2.8 5V Quattro 4x4 Apr 1996 — Jan 1999 | 2.8 Petrol | 193 HP | 11.2 l/100km | Manual (5) | All wheel |
Audi A8 1996 2.8 5V Quattro Automatic 4x4
Apr 1996 — Jan 1999 Most fuel efficient petrol version by real consumption |
2.8 Petrol | 193 HP | 11.9 l/100km | Automatic (5) | All wheel |
Audi A8 1995 3.7 Aug 1995 — Jan 1999 | 3.7 Petrol | 230 HP | 12.3 l/100km | Automatic (5) | Front wheel |
Audi A8 1995 3.7 Quattro 4x4 Oct 1995 — Jan 1999 | 3.7 Petrol | 230 HP | 13.0 l/100km | Automatic (5) | All wheel |
Audi A8 1994 4.2 Quattro 4x4
Most dynamic version - 100 km/h in 7.3 seconds |
4.2 Petrol | 300 HP | 13.3 l/100km | Automatic (4) | All wheel |