Subaru Outback 2003 2.5 petrol description
Estate car / wagon Subaru Outback 2003 2.5i has been produced from November, 2003 to September, 2006. It has four-cylinder petrol engine with displacement of 2.5 litres, which produces power of 165 horsepower on 5600 rpm and torque 225 Nm (Newton metres) on 4400 revolutions per minute.
This 4-cylinder 16-valve engine camshaft is driven by belt (What is an engine chain and belt? ). Engine has fuel injection system, this is an atmospheric engine (without turbine). Engine versions compliant with Euro 2 and Euro 3 emission standards available. Engine lifespan (mileage before major repairs or overhaul) can last from 250 up to 420 thousand kilometres. It is important to remember that engine life is highly dependent on regular maintenance and the quality of the oils and fuels used.
More engine specs
This Subaru Outback 2.5 engine oil type is 5W-30 and oil capacity is 4.2 litres.
Subaru Outback 2003 2.5i has all four wheel drive (AWD, 4x4) and automatic gearbox with 4 gears.
Subaru Outback 2003 2.5i accelerates to speed 100 kilometres per hour in 10.9 seconds. The maximum speed of this car is 197 km/h.
Subaru Outback 2003 2.5i fuel consumption is 8.5 litres per 100km in combined city/highway mode (11.8 km/l) - this is the most fuel efficient Subaru Outback 2003 - 2009 version, fuel consumption in city - 11.6 l/100km, highway fuel economy - 6.7 l/100km. Fuel tank capacity is 60 litres or 15.85 gallons, which gives a mileage up to 700 kilometers without refueling in urban cycle and even up to 880 kilometers on highway.
According to user reviews, this Subaru real everyday fuel consumption is 9.8 litres per 100 km, which is 15% more than the manufacturer's stated. More - Real Subaru Outback fuel consumption.
- Subaru Outback 2003 2.5i MT 4x4 is more dynamic - it reaches 100 km/h 1.1 seconds faster (in 9.8 seconds), but manufacturer's fuel consumption is similar - 8.5 litres per 100 km, whereas users reported real fuel consumption is lower by 0.8 litres per 100 km or 8 % - 9.0 litres per 100 km
- Subaru Outback 2003 2.5i Comfort Pack MT 4x4 is more dynamic - it reaches 100 km/h 1.1 seconds faster (in 9.8 seconds), but manufacturer's fuel consumption is similar - 8.5 litres per 100 km, whereas users reported real fuel consumption is lower by 0.8 litres per 100 km or 8 % - 9.0 litres per 100 km

Subaru Outback 2003 2.5i technical data
Model: | Subaru Outback 2.5i | ||
---|---|---|---|
Body style: | Estate car / wagon | ||
Production period: | 2003. November ... 2006. September | ||
Engine: | 2457 cm3 Petrol, 4 cylinders | CO2 emissions: | 203 g/km |
Power: | 165 HP ON 5600 RPM | Torque: | 225 NM ON 4400 RPM |
Gearbox: | Automatic gearbox (4 gears) | Drive type: | All wheel drive (AWD, 4x4) |
Top speed: | 197 km/h | Acceleration 0-100 km/h: | 10.9 seconds |
Fuel consumption (l/100km): | 8.5 (combined) 11.6 (urban) 6.7 (highway) | ||
Real fuel consumption: | 9.8 l/100km (24 MPG) by user reviews from various sources | ||
Fuel tank capacity: | 60 litres (15.9 gallons) | ||
Car dimensions: | 4.73m (length) 1.77m (width) 1.54m (height) | ||
Turning diameter: | 10.8 meters | ||
Gross weight: | 1800 kg |
Subaru Outback 2003 2.5i engine EJ251
Engine reliability:
Overall, this engine can last around 250,000 to 420,000 km if properly maintained, using the correct quality oil and fuel, and carrying out regular checks and maintenance.Engine displacement | 2457 cm3 |
---|---|
Number of cylinders | 4 |
Bore (cylinder diameter) | 99.5 mm |
Stroke length (piston move) | 79 mm |
Compression ratio | 10 : 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 |
Subaru Outback 2003 2.5i oil type | 5W-30 |
Oil capacity | 4.2 litres (4.4 quarts) |
Power | 165 HP ON 5600 RPM |
Torque | 225 NM ON 4400 RPM |
Start of production (year) | 1998 |
Duration of production | 6 years |
Engine also used on | Subaru Forester Subaru Legacy |
All Subaru Outback estate car [2003 - 2009] modifications
Modification | Engine | Power | Consumption | Gearbox |
---|---|---|---|---|
Subaru Outback 2003 2.5i 4x4
Nov 2003 — Sep 2006 Most fuel efficient version |
2.5 Petrol | 165 HP | 8.5 l/100km | Manual (5) |
Subaru Outback 2003 2.5i Comfort Pack 4x4
Nov 2003 — Sep 2006 Most fuel efficient version |
2.5 Petrol | 165 HP | 8.5 l/100km | Manual (5) |
Subaru Outback 2003 2.5i 4x4
Nov 2003 — Sep 2006 Most fuel efficient version |
2.5 Petrol | 165 HP | 8.5 l/100km | Automatic (4) |
Subaru Outback 2003 2.5i Comfort Pack 4x4
Nov 2003 — Sep 2006 Most fuel efficient version |
2.5 Petrol | 165 HP | 8.5 l/100km | Automatic (4) |
Subaru Outback 2003 2.5i 4x4 | 2.5 Petrol | 173 HP | 8.6 l/100km | Manual (5) |
Subaru Outback 2003 2.5i 4x4 | 2.5 Petrol | 173 HP | 8.7 l/100km | Automatic (4) |
Subaru Outback 2004 3.0R 4x4
Jan 2004 — Jan 2009 Most dynamic version - 100 km/h in 8.5 seconds |
3.0 Petrol | 245 HP | 9.8 l/100km | Automatic (5) |