Opel Omega 1999 2.5i-V6
Opel Omega 1999 2.5 petrol description
Sedan Opel Omega 1999 2.5i-V6 has been produced from September, 1999 to September, 2000. It has six-cylinder petrol engine with displacement of 2.5 litres, which produces power of 170 horsepower on 6000 rpm and torque 230 Nm (Newton metres) on 3200 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, it has no turbine. The engine meets the Euro 2 emissions standard. Approximate engine life expectancy (mileage until serious repairs are required) for this engine is between 360 000 and 600 000 kilometres. Note that engine life can be longer or shorter depending on maintenance.
More engine specs
This Opel Omega 2.5 engine oil type is 5W-30 and oil capacity is 5.75 litres.
Opel Omega 1999 2.5i-V6 has classical rear wheel drive (RWD) and automatic gearbox with 4 gears.
Opel Omega 1999 2.5i-V6 accelerates to speed 100 kilometres per hour in 10.5 seconds. The maximum speed of this car is 223 km/h.
In combined cycle (city and motorway), the Opel Omega 1999 2.5i-V6 fuel consumption is 10.9 litres per 100km (9.2 km/l), fuel consumption in city - 15.7 l/100km, highway fuel economy - 8.1 l/100km. Fuel tank capacity is 75 litres or 19.82 gallons, which gives a mileage up to 680 kilometers without refueling in urban cycle and even up to 920 kilometers on highway.
According to user reviews, this Opel real everyday fuel consumption is 11.9 litres per 100 km, which is 9% more than the manufacturer's stated. More - Real Opel Omega fuel consumption.

Opel Omega 1999 2.5i-V6 technical data
Model: | Opel Omega 2.5i-V6 | ||
---|---|---|---|
Body style: | Sedan | ||
Production period: | 1999. September ... 2000. September | ||
Engine: | 2498 cm3 Petrol, 6 cylinders | CO2 emissions: | 263 g/km |
Power: | 170 HP ON 6000 RPM | Torque: | 230 NM ON 3200 RPM |
Gearbox: | Automatic gearbox (4 gears) | Drive type: | Rear wheel drive (RWD) |
Top speed: | 223 km/h | Acceleration 0-100 km/h: | 10.5 seconds |
Fuel consumption (l/100km): | 10.9 (combined) 15.7 (urban) 8.1 (highway) | ||
Real fuel consumption: | 11.9 l/100km (19.8 MPG) by user reviews from various sources | ||
Fuel tank capacity: | 75 litres (19.8 gallons) | ||
Car dimensions: | 4.90m (length) 1.78m (width) 1.46m (height) | ||
Turning diameter: | 11 meters | ||
Ground clearance: | 140 mm (approximate, with standard suspension, unladen vehicle) | ||
Seats: | 5 seats | ||
Trunk capacity: | 530 litres | ||
Trunk max capacity: | 830 litres (with rear seats folded down) | ||
Gross weight: | 2170 kg |
Opel Omega 1999 2.5i-V6 engine X25XE
Engine reliability:
Overall, this engine can last around 360,000 to 600,000 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 | 2498 cm3 |
---|---|
Number of cylinders | 6 |
Bore (cylinder diameter) | 81.6 mm |
Stroke length (piston move) | 79.6 mm |
Compression ratio | 10.8 : 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 |
Opel Omega 1999 2.5i-V6 oil type | 5W-30 |
Oil capacity | 5.75 litres (6.1 quarts) |
Coolant capacity | 9.7 litres (10.3 quarts) |
Power | 170 HP ON 6000 RPM |
Torque | 230 NM ON 3200 RPM |
Start of production (year) | 1994 |
Duration of production | 6 years |
Engine also used on | Opel Vectra Opel Calibra |
All Opel Omega sedan [1999 - 2003] modifications
Modification | Engine | Power | Consumption | Gearbox |
---|---|---|---|---|
Opel Omega 1999 2.0 DTi-16V
Sep 1999 — Sep 2000 Most fuel efficient diesel version |
2.0 Diesel | 100 HP | 6.6 l/100km | Manual (5) |
Opel Omega 1999 2.2i-16V
Most fuel efficient petrol version |
2.2 Petrol | 144 HP | 9.6 l/100km | Manual (5) |
Opel Omega 1999 2.2i-16V | 2.2 Petrol | 144 HP | 10.1 l/100km | Automatic (4) |
Opel Omega 2000 2.2 DTi-16V
Sep 2000 — Sep 2003 Most fuel efficient diesel version by real consumption |
2.2 Diesel | 120 HP | 7.1 l/100km | Manual (5) |
Opel Omega 1999 2.5i-V6 Sep 1999 — Sep 2000 | 2.5 Petrol | 170 HP | 10.4 l/100km | Manual (5) |
Opel Omega 1999 2.5i-V6 Sep 1999 — Sep 2000 | 2.5 Petrol | 170 HP | 10.9 l/100km | Automatic (4) |
Opel Omega 1999 2.5 TD Sep 1999 — Jan 2001 | 2.5 Diesel | 130 HP | 7.8 l/100km | Manual (5) |
Opel Omega 1999 2.5 TD Sep 1999 — Jan 2001 | 2.5 Diesel | 130 HP | 9.0 l/100km | Automatic (4) |
Opel Omega 2001 2.5 DTi
Aug 2001 — Sep 2003 Most powerfull diesel version (150 HP) |
2.5 Diesel | 150 HP | 7.6 l/100km | Manual (5) |
Opel Omega 2001 2.5 DTi
Aug 2001 — Sep 2003 Most powerfull diesel version (150 HP) |
2.5 Diesel | 150 HP | 8.6 l/100km | Automatic (4) |
Opel Omega 2000 2.6i-V6 Sep 2000 — Sep 2003 | 2.6 Petrol | 180 HP | 10.6 l/100km | Manual (5) |
Opel Omega 2000 2.6i-V6 Sep 2000 — Sep 2003 | 2.6 Petrol | 180 HP | 11.5 l/100km | Automatic (4) |
Opel Omega 1999 3.0i-V6 Sep 1999 — Jan 2001 | 3.0 Petrol | 211 HP | 10.4 l/100km | Manual (5) |
Opel Omega 1999 3.0i-V6 Sep 1999 — Jan 2001 | 3.0 Petrol | 211 HP | 11.1 l/100km | Automatic (4) |
Opel Omega 2001 3.2i-V6 Jan 2001 — Jan 2002 | 3.2 Petrol | 218 HP | 11.8 l/100km | Automatic (4) |
Opel Omega 2002 3.2i-V6 Jan 2002 — Sep 2003 | 3.2 Petrol | 218 HP | 11.8 l/100km | Automatic (4) |
Opel Omega 2000 5.7i V8
Jan 2000 — Dec 2001 Most dynamic version - 100 km/h in 7 seconds |
5.7 Petrol | 310 HP | 14.0 l/100km | Automatic (4) |