Subaru Impreza Timing Belt or Chain (All Years 1993–2025)

The Subaru Impreza is a compact car sold in the United States since the 1993 model year. It has been available as a sedan and hatchback, with naturally aspirated and turbocharged engines. The timing system used depends heavily on model year and engine choice.

Knowing whether a specific Impreza has a timing belt or timing chain is essential for maintenance planning. Belt-driven engines require scheduled replacement to avoid engine damage. Chain-driven engines need no belt service but rely on proper oil maintenance for long-term reliability.

Does the Subaru Impreza Have a Timing Belt or Timing Chain?

All U.S.-market Subaru Impreza models from 1993 through 2011 use timing belts. From 2012, naturally aspirated models switched to timing chains, while turbocharged WRX and STI versions retained belts through 2014. All 2015 and later Imprezas use timing chains.

2025 Subaru Impreza Timing Belt Or Timing Chain

2.0L engine:

2.5L engine:

Both 2025 Impreza engine options use a timing chain with no replacement interval. The 2.5L RS trim offers more power while retaining the same chain-driven design.

2024 Subaru Impreza Timing Belt Or Timing Chain

2.0L engine:

2.5L engine:

The 2024 model added a 2.5L option, still using a timing chain. No belt service is required for any new Impreza.

2023 Subaru Impreza Timing Belt Or Timing Chain

Timing chain reliability depends on clean engine oil. No belt-related maintenance is part of the service schedule.

2022 Subaru Impreza Timing Belt Or Timing Chain

The 2.0L direct-injection engine continues with a maintenance-free timing chain. Oil change adherence preserves long-term component life.

2021 Subaru Impreza Timing Belt Or Timing Chain

The timing system remains unchanged. Owners avoid the large expense associated with periodic belt replacement on older models.

2020 Subaru Impreza Timing Belt Or Timing Chain

No scheduled timing component replacement is required. A rattling noise at startup could indicate a tensioner issue needing inspection.

2019 Subaru Impreza Timing Belt Or Timing Chain

The 2019 Impreza carried over the chain-driven engine. No belt service is necessary, simplifying long-term ownership costs.

2018 Subaru Impreza Timing Belt Or Timing Chain

Direct injection did not change the timing system type. The chain is expected to last the life of the engine under normal maintenance.

2017 Subaru Impreza Timing Belt Or Timing Chain

The fifth-generation Impreza launched with a direct-injection engine still using a timing chain. No timing belt was ever fitted to this generation.

2016 Subaru Impreza Timing Belt Or Timing Chain

The 2016 Impreza continued with the chain-driven FB20. Oil quality remains critical for long timing chain tensioner and guide life.

2015 Subaru Impreza Timing Belt Or Timing Chain

With the separation of the WRX and STI into standalone models, all remaining Imprezas used a timing chain. No belt replacement is needed.

2014 Subaru Impreza Timing Belt Or Timing Chain

Naturally aspirated models:

WRX and WRX STI models:

For 2014, the base Impreza used a chain while the high-performance turbo variants still relied on timing belts. Belt service was essential for WRX and STI owners.

2013 Subaru Impreza Timing Belt Or Timing Chain

Naturally aspirated models:

WRX and WRX STI models:

Two different timing systems existed in the same model line. Non-turbo cars had chains; turbocharged models kept belts.

2012 Subaru Impreza Timing Belt Or Timing Chain

Naturally aspirated models:

WRX and WRX STI models:

The 2012 model year brought a major change. The standard Impreza adopted a timing chain, but the WRX and STI continued with a belt design.

2011 Subaru Impreza Timing Belt Or Timing Chain

2.5L naturally aspirated:

2.5L turbo (WRX):

2.5L turbo (STI):

All 2011 Impreza engines used timing belts. The 105,000-mile replacement interval applied across the board to prevent interference damage.

2010 Subaru Impreza Timing Belt Or Timing Chain

2.5L naturally aspirated:

2.5L turbo (WRX and STI):

No timing chains were available in 2010. Adhering to the belt replacement interval prevented costly valve-train damage.

2009 Subaru Impreza Timing Belt Or Timing Chain

2.5L naturally aspirated:

2.5L turbo:

The 2009 Impreza used belt-driven EJ engines exclusively. Replacing the timing belt on schedule was critical for engine reliability.

2008 Subaru Impreza Timing Belt Or Timing Chain

2.5L naturally aspirated:

2.5L turbo:

The third-generation Impreza launched with belt-driven engines. No timing chain option was offered in the U.S. market.

2007 Subaru Impreza Timing Belt Or Timing Chain

2.5L naturally aspirated:

2.5L turbo:

Timing belt maintenance remained essential across all trims. Neglecting the interval risked catastrophic engine failure.

2006 Subaru Impreza Timing Belt Or Timing Chain

2.5L naturally aspirated:

2.5L turbo:

The 2006 facelift brought no change to timing components. All engines remained belt-driven with a 105,000-mile service interval.

2005 Subaru Impreza Timing Belt Or Timing Chain

2.5L naturally aspirated:

2.0L / 2.5L turbo:

The 2005 Impreza lineup included multiple belt-driven turbo engines. The STI’s 2.5L joined the existing 2.0L WRX engine, both requiring belt service.

2004 Subaru Impreza Timing Belt Or Timing Chain

2.5L naturally aspirated:

2.0L turbo (WRX) and 2.5L turbo (STI):

The STI arrived with a 2.5L turbo, still using a timing belt. All Impreza engines in 2004 required scheduled belt replacements.

2003 Subaru Impreza Timing Belt Or Timing Chain

2.5L naturally aspirated:

2.0L turbo (WRX):

No timing chain engines were offered. The 2.0L WRX and 2.5L RS both relied on timing belts with the same replacement interval.

2002 Subaru Impreza Timing Belt Or Timing Chain

2.5L naturally aspirated:

2.0L turbo (WRX):

The newly introduced WRX used a timing belt. Both engine choices in 2002 required periodic belt replacement.

2001 Subaru Impreza Timing Belt Or Timing Chain

2.2L engine:

2.5L engine (RS):

All 2001 Impreza engines used timing belts. The 2.2L was an interference engine at this point, making belt replacement critical.

2000 Subaru Impreza Timing Belt Or Timing Chain

2.2L engine:

2.5L engine (RS):

Both available engines were belt-driven interference designs. Scheduled replacement at 105,000 miles prevented valve-train damage.

1999 Subaru Impreza Timing Belt Or Timing Chain

2.2L engine:

2.5L engine (RS):

The 2.5L RS arrived with a timing belt. The 2.2L remained belt-driven, now with interference design demanding strict interval adherence.

1998 Subaru Impreza Timing Belt Or Timing Chain

2.2L engine:

2.5L engine (RS):

The first 2.5L engine appeared in the RS with a timing belt. Both 1998 engine choices required scheduled belt replacement.

1997 Subaru Impreza Timing Belt Or Timing Chain

The 2.2L engine became an interference design for 1997. The timing belt replacement interval increased to 105,000 miles compared to earlier models.

1996 Subaru Impreza Timing Belt Or Timing Chain

The 2.2L Phase I engine was non-interference. While belt failure would not cause internal damage, scheduled replacement was still recommended.

1995 Subaru Impreza Timing Belt Or Timing Chain

1.8L engine:

2.2L engine:

Both 1995 engines were belt-driven and non-interference. The 60,000-mile belt interval was standard for early EJ engines.

1994 Subaru Impreza Timing Belt Or Timing Chain

1.8L engine:

2.2L engine:

Timing belt replacement was due at 60,000 miles for both engines. The non-interference design reduced risk if a belt broke unexpectedly.

1993 Subaru Impreza Timing Belt Or Timing Chain

1.8L engine:

2.2L engine:

The original Impreza launched exclusively with timing belts. Both the 1.8L and 2.2L were non-interference designs, providing some protection against belt failure.

Timing Belt vs Timing Chain on the Subaru Impreza

The timing belt used in early Imprezas is a reinforced rubber belt that synchronizes the crankshaft and camshafts. It operates quietly but degrades over time, requiring scheduled replacement to prevent sudden breakage and potential engine damage.

A timing chain is a metal chain that serves the same function. Subaru introduced chain-driven FB engines in the 2012 Impreza. Chains are designed to last the engine’s life and do not appear on the regular maintenance schedule.

Belt-driven Imprezas need replacement every 60,000 or 105,000 miles depending on the year. Skipping this service on an interference engine can lead to bent valves and costly engine repairs. Chains eliminate this periodic expense but demand consistent oil maintenance for tensioner durability.

Timing belt replacement on an Impreza typically costs $500 to $1,000. Chain issues are rare but can produce a cold-start rattling noise when tensioners wear. Ignoring symptoms in either system can result in catastrophic engine failure.

Subaru Impreza Timing System Maintenance

Timing belt-equipped Imprezas from 1993–1996 require replacement at 60,000 miles. All 1997 and later belt-driven models have a 105,000-mile interval. The job must include the timing belt, tensioner, and all idler pulleys for complete service.

Chain-driven Imprezas have no scheduled replacement. However, a worn tensioner or stretched chain may cause a metallic rattling noise from the engine front cover during startup. Diagnostic trouble codes for camshaft/crankshaft correlation can also indicate timing chain concerns.

Engine oil is the lifeblood of the timing chain system. The hydraulic tensioner and chain guides rely on clean oil at the correct viscosity. Following the manufacturer’s oil change intervals with the specified grade helps prevent premature chain and guide wear.

Even though timing chains are considered lifetime components, mechanical issues can arise from oil starvation or extreme mileage. Any abnormal noise or cam timing fault code should prompt an immediate inspection by a qualified technician.

Frequently Asked Questions

Does the Subaru Impreza have a timing belt or chain?
It depends on the year and engine. Imprezas from 1993–2011 use timing belts. Non-turbo models from 2012 onward use chains, while WRX and STI continued with belts through 2014. All 2015+ Imprezas use chains.

When should a Subaru Impreza timing belt be replaced?
For 1993–1996, the interval is 60,000 miles. All 1997 and later belt-driven Imprezas require replacement at 105,000 miles. Always replace the tensioner and idlers at the same time.

Does a timing chain need maintenance on a Subaru Impreza?
The chain itself has no replacement interval, but regular oil changes are essential. Clean oil maintains the hydraulic tensioner and chain guides, preventing premature wear.

Is the Subaru Impreza an interference engine?
Many are. Non-turbo EJ22 engines before 1997 and EJ18 engines are non-interference. All 1997 and later belt-driven Imprezas and all chain-driven engines are interference designs, where timing failure causes severe damage.

How much does Subaru Impreza timing belt replacement cost?
Replacement typically costs between $500 and $1,000 at a repair shop. The job includes the belt, tensioner, idlers, and often the water pump if driven by the timing belt.

What are symptoms of a failing timing chain on an Impreza?
Common symptoms include a rattling noise from the front of the engine during cold starts, check engine light with camshaft/crankshaft correlation codes, and performance loss.

Conclusion

The Subaru Impreza used timing belts exclusively from 1993 through 2011. Beginning in 2012, naturally aspirated models switched to timing chains, while turbocharged WRX and STI variants kept belts until the end of the 2014 model year. All Imprezas from 2015 onward use timing chains.

This split means some 2012–2014 models have both belt and chain engines on the same dealer lot. The exact year, trim, and engine must be verified to determine maintenance requirements. Always verify timing system details using the owner’s manual or manufacturer service information before scheduling repairs.