"Is the Trezia 1.3i reliable, and what should you check?"
When buying a used Subaru Trezia 1.3i 2013, the most frequently mentioned issue is carbon buildup and clogged EGR. Excessive oil consumption is also commonly reported.
Engine: 1NRFE
1NR-FE · 1.3i · Used in this car from 2010-2014
Known engine issues
Oil consumption increases with mileageMany owners report slight oil consumption that grows as mileage increases.
Short lifespan of ignition coils and water pumpIndividual ignition coils and the water pump have a modest service life.
Carbon buildup due to EGR valveThe engine is prone to rapid carbon formation due to the EGR valve.
+1 more issues on the engine detail page
Known issues and risks
Listed from most frequently reported, each with its source.
Carbon buildup and clogged EGR
Often reported
The 1.3 engine is prone to carbon buildup on valves, valve seats, and EGR channels, worsening with city and short-distance driving. Deposits can reduce compression, cause hard cold starts, power loss, or warning lights.
Engine Internal
Excessive oil consumption
Often reported
Some 1.3 (1NR series) engines, especially early production batches, report higher than normal oil consumption. The issue has been addressed by technical service bulletins (TSB), which may require replacement of piston rings and/or pistons or component updates.
Engine Internal
Engine noise and sensitive VVT-i system
Often reported
The 1.3 VVT-i engine can be noisier than others, with complaints about variable valve timing system operating sounds and poor cabin sound insulation.
Engine Internal
Timing chain rattle/clicking noise
Often reported
A few owners of the 1NR engine report a metallic clicking noise from the timing area, more noticeable when cold and decreasing as the engine warms up.
Timing chain
Subaru Trezia 1.3i technical specs
Subaru Trezia 1.3i (2013): boot 363 L; fuel use 5,5 l/100 km (urban 6,8 l/100 km · extra-urban 4,8 l/100 km).
Boot capacity
363 L
Fuel consumption
5,5 l/100 km (urban 6,8 l/100 km · extra-urban 4,8 l/100 km)
What should I look for when buying a Subaru Trezia 1.3i?+
When buying a 2013 model 1.3i, check the service history, test drive, and engine/transmission warnings. The most commonly reported issues are: carbon buildup and clogged EGR; excessive oil consumption; engine noise and sensitive VVT-i system.
What are the common problems of the Subaru Trezia 1.3i?+
The most frequently reported issues are: carbon buildup and clogged EGR; excessive oil consumption; engine noise and sensitive VVT-i system.
Is the Subaru Trezia 1.3i reliable?+
Rather than a simple yes/no, it is necessary to evaluate the proven pros and cons together. This page lists 4 verified findings.
How does Carbeak collect data?+
The cards on this page are derived from Difetti fault database records; brand, fuel, engine, and generation compatibility between the source vehicle and target vehicle are verified. Topics with insufficient evidence are not shown.