Best and Worst Lexus IS-F Years: What to Buy & Avoid

Betti Holt

Betti Holt

As you weigh your options for a Lexus IS-F, you’re likely wondering which years to target and which to avoid.

The truth is, the best years for the IS-F are 2011 and later, thanks to key updates that tackled reliability concerns. But what about the inaugural model’s potent 5.0-liter V8 engine, pumping out 416 horsepower?

You’ll want to know more about the common issues that plague certain model years, and how later versions stack up in terms of track readiness and overall performance.

Lexus IS F Best And Worst Years

 

Key Takeaways

  • 2011+ models are desirable due to updates and improvements, but are increasingly rare, making them the best years.
  • 2008 models have common issues like water pumps and Valley Plate Leaks, making them the worst years.
  • 2010+ models feature a Limited Slip Differential, which may be desirable depending on usage, making them a good choice.
  • Later cars are more refined, and the money saved can be used for aftermarket parts and suspension upgrades, making them a reliable choice.
  • The 2008 model had a brand new 5.0-liter V8 engine that pumped out 416 horsepower, making it a good option for performance enthusiasts.

Model Year Differences and Reliability

When shopping for a Lexus IS-F, you’ll want to weigh the model year differences and reliability.

The 2011+ models are desirable due to updates and improvements, but are increasingly rare.

The 2010+ models feature a Limited Slip Differential, which may be desirable depending on usage, and have different suspension components.

However, the 2008 model has some common issues like water pumps and Valley Plate Leaks, primarily in warmer climates.

Later cars are more refined, and the money saved can go towards aftermarket parts, modern coil-over suspension, and lower control arm bushes, making them a more reliable choice.

Track Readiness and Modifications

The Lexus IS-F’s track readiness is largely dependent on its factory specifications and the owner’s willingness to modify.

As a sports sedan, it’s equipped with a manual transmission, which is ideal for track driving.

However, its performance car capabilities can be further augmented.

  1. Steering feel: The IS-F’s electric power steering can be tweaked to provide more feedback and precision.
  2. Suspension upgrades: Stiffer springs and shocks can improve handling and reduce body roll.
  3. Lightweight wheels: Replacing the stock wheels with lighter ones can boost acceleration and braking performance.

Common Issues and Maintenance

You’ll want to be aware of some common issues that can arise with your Lexus IS-F.

Specifically, you may encounter water pump failure, valley plate leaks, or door dash issues that require attention.

Water Pump Failure

Coolant circulation is the unsung hero of your Lexus IS-F’s engine, and water pump failure can be its silent assassin.

As the primary culprit behind overheating and engine damage, it’s vital to take preventative measures.

  1. Replace the water pump: Doing so can save you from catastrophic engine failure, with costs ranging from $500 to $1,500.
  2. Check coolant levels: Regularly inspect the coolant level and condition to avoid water pump failure.
  3. Monitor temperature: Keep an eye on your temperature gauge, as rising levels can indicate impending engine damage.

Valley Plate Leaks

As you delve into the world of used Lexus IS-F models, Valley Plate Leaks emerge as a common issue, particularly in 2008 and 2009 models.

This leak occurs when the valley plate gasket fails, causing oil to leak into the valley of the engine. You can negotiate the price of the car based on this issue, but be aware that the repair can be costly, ranging from $1,000 to $3,000.

Before purchasing, inspect the IS-F for signs of Valley Plate Leak to avoid costly engine repair.

Door Dash Issues

What triggers door dash issues in Lexus IS-F models?

As a proud owner of this pretty Japanese car, you expect a smooth ride quality and comfortable back seat experiences.

However, some IS-F models may exhibit door dash issues, which can be frustrating.

  1. Worn-out door trim clips: Over time, the clips holding the door trim in place can wear out, causing the trim to sag and create a gap between the door and dash.
  2. Misaligned door trim: Improper installation or adjustment of the door trim can lead to gaps and unevenness, affecting the overall ride quality.
  3. Loose or damaged door trim fasteners: Faulty or loose fasteners can cause the door trim to shift, leading to door dash issues.

Reliability and Purchase

You’re considering purchasing a used Lexus IS-F, and reliability is a top priority.

As a savvy buyer, you want a daily driver that’s really nice, even years old.

Analyzing reliability data, you’ll find that Lexus IS-F models generally have above-average reliability ratings.

When making a purchase, look for a well-maintained vehicle with detailed service records.

A thorough inspection can also give you peace of mind.

Differences Between Model Years

As you research the IS-F, you’ll notice key differences between model years, particularly in the LSD and suspension.

For instance, 2010+ models feature LSD, different suspension, and varying shock absorbers, whereas earlier models have a more raw, unrefined feel.

These updates can significantly impact your ownership experience, so it’s essential to understand the distinctions between each year’s model.

LSD and Differential

The Lexus IS-F‘s LSD and differential systems have undergone significant changes across model years, with implications for track performance and everyday driving.

You may be pondering upgrading to improve traction, especially if you’re a track enthusiast.

1. Soft LSD vs Plate LSD: Later models feature a helical gear LSD, which is less effective than a traditional plate LSD.

If you’re serious about track driving, you may want to ponder aftermarket parts like the Quaife unit, which can be installed for around €700.

The E-Diff system in 08-09 models applies the brake to the slipping wheel, rather than using a traditional LSD.

While it’s not a necessary upgrade for road cars, it can improve traction in certain situations.

Model Year Updates

Since its introduction, the Lexus IS-F has undergone significant updates, with distinct characteristics that set each model year apart.

You’ll find that each year offers a pretty good balance, but some stand out more than others.

For instance, the 2008 model, which debuted years ago, had a brand new 5.0-liter V8 engine that pumped out 416 horsepower.

In contrast, the 2010 model year brought minor tweaks, including a revised interior and exterior design.

As you examine the different model years, you’ll discover these nuances, which can make all the difference in your Lexus IS-F ownership experience.

Suspension Revisions

When you delve into the suspension revisions across different model years, you’ll find that Lexus fine-tuned the IS-F’s ride and handling to deliver a more responsive driving experience.

In 2008, Lexus adjusted the lower control arms to improve stability during high-speed cornering.

In 2010, the Steering ECU was recalibrated to provide more precise steering feedback, making the IS-F more agile on the track.

In collaboration with RR Racing, Lexus refined the suspension reduce body roll and augment overall handling dynamics, making the IS-F a force to be reckoned with on the road and track.

Infotainment and Navigation Systems

You’ll likely find the infotainment and navigation systems in early Lexus IS-F models to be somewhat limiting.

A little bit of navigation can go wrong, especially around town, due to the lack of full postal code input.

Let’s talk about the limitations.

The built-in system doesn’t allow full postal code input, and map updates don’t provide this feature either.

You can’t update the software, so you’re stuck with manual input.

Consider alternative solutions, such as using a Garmin or phone for navigation or installing a third-party system like GROM V-Line to get full Android functionality.

Suspension and Upgrades

The Lexus IS-F’s suspension is tuned for performance, but it may not provide the smoothest ride, especially on rough roads.

As a sports sedan**, it’s designed to handle corners and straightaways. However, this comes at the cost of comfort.

If you’re looking to upgrade your ride, consider the following:

  1. Suspension upgrades: Replace the stock shocks and springs with stiffer, performance-oriented components.
  2. Regular Oil changes: Keep your engine well-lubricated to prevent premature wear and tear.
  3. First-gen IS-F maintenance: Stay on top of wear-prone parts to guarantee your vehicle runs smoothly for years to come.

When looking at performance cars, make sure to check out our guides on models like the Lexus GX 470, Lexus NX, Lexus RX 450h and Lexus RX 350. Knowing which model years to target and which to avoid is crucial. Our expert reviews break down these models, providing insights into the years that are celebrated for their engineering excellence and driving satisfaction, as well as those that are best to avoid due to potential issues.

Betti Holt
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Betti Holt