Subaru Outback 2003 2.5 petrol description
Estate car / wagon Subaru Outback 2003 2.5i has been produced from January, 2003 to January, 2009. It has four-cylinder petrol engine with displacement of 2.5 litres, which produces power of 175 horsepower on 6000 rpm and torque 227 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 without turbocharger. Engine versions compliant with Euro 3 and Euro 4 emission standards available. Average engine life expectancy (mileage before serious repairs are needed) is from 240 000 to 400 000 kilometres. Note that engine life can be longer or shorter depending on maintenance.
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 manual gearbox with 5 gears.
Subaru Outback 2003 2.5i accelerates to speed 100 kilometres per hour in 9.8 seconds. The maximum speed of this car is 199 km/h.
The fuel consumption of this Subaru Outback 2003 2.5i in combined mode (combining urban and highway driving) is 8.6 litres per 100km (11.6 km/l) - this is one of most fuel efficient Subaru Outback 2003 - 2009 versions, fuel consumption in city - 11.6 l/100km, highway fuel economy - 6.9 l/100km. Fuel tank capacity is 64 litres or 16.91 gallons, which gives a mileage up to 740 kilometers without refueling in urban cycle and even up to 920 kilometers on highway.
According to user reviews, this Subaru real everyday fuel consumption is 9.1 litres per 100 km, which is 6% more than the manufacturer's stated. More - Real Subaru Outback fuel consumption.

Subaru Outback 2003 2.5i technical data
Model: | Subaru Outback 2.5i | ||
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Body style: | Estate car / wagon | ||
Production period: | 2003. January ... 2009. January | ||
Engine: | 2457 cm3 Petrol, 4 cylinders | CO2 emissions: | 274 g/km |
Power: | 175 HP ON 6000 RPM | Torque: | 227 NM ON 4400 RPM |
Gearbox: | Manual gearbox (5 gears) | Drive type: | All wheel drive (AWD, 4x4) |
Maximum speed: | 199 km/h | Acceleration 0-100 km/h: | 9.8 seconds |
Fuel consumption (l/100km): | 8.6 (combined) 11.6 (urban) 6.9 (highway) | ||
Real fuel consumption: | 9.1 l/100km (25.8 MPG) by user reviews from various sources | ||
Fuel tank capacity: | 64 litres (16.9 gallons) | ||
Car dimensions: | 4.73m (length) 1.77m (width) 1.55m (height) | ||
Turning diameter: | 10.8 meters |
Subaru Outback 2003 2.5i engine EJ253 i-AVLS
Engine reliability:
Overall, this engine can last around 240,000 to 400,000 km if properly maintained, using the correct quality oil and fuel, and carrying out regular checks and maintenance.Engine displacement | 2457 cm3 |
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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 | 175 HP ON 6000 RPM |
Torque | 225 - 230 NM ON 4400 RPM |
Start of production (year) | 1999 |
Duration of production | 13 years |
All Subaru Outback estate car [2003 - 2009] modifications
Modification | Engine | Power | Consumption | Gearbox |
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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) |