Model Hub25 model years analyzed

Lexus Is ReliabilityAll Years Ranked (20012025)

Side-by-side reliability scores, risk levels, and owner-cost projections for every Lexus Is we've analyzed. Identify the best years to buy, the ones to avoid, and the problems that follow the Is across generations.

Average Score

90/100

Best Year

2022 Lexus Is

Score 93

Weakest Year

2006 Lexus Is

Score 83

Every Lexus Is Ranked

Sorted by reliability score. Each link opens the full year-specific report.

93
2022 Lexus IsLOW RISKGrade A

A paragon of reliability in the luxury sport sedan segment, offering significant peace of mind for owners.

Top risks: Infotainment System · Brake System Wear · Climate Control Actuators

92
2019 Lexus IsLOW RISKGrade A-

A supremely reliable luxury sport sedan that prioritizes durability and peace of mind over cutting-edge tech.

Top risks: Infotainment System · Brake Components · Minor Electrical Sensors

92
2020 Lexus IsLOW RISKGrade A-

A paragon of reliability in its class, offering enduring luxury with remarkably few headaches.

Top risks: Infotainment System · Ignition Coils/Spark Plugs · Water Pump (V6)

92
2021 Lexus IsLOW RISKGrade A

A supremely reliable luxury sport sedan that prioritizes durability and owner satisfaction.

Top risks: Infotainment System · Brake System Wear · Interior Trim/Rattles

92
2023 Lexus IsLOW RISKGrade A

A paragon of reliability in the luxury sport sedan segment, demanding minimal fuss from its owners.

Top risks: Infotainment System · Advanced Driver-Assistance Systems (ADAS) · Brake System Wear

92
2024 Lexus IsLOW RISKGrade A

A supremely reliable luxury sedan that prioritizes long-term peace of mind over cutting-edge tech or outright sportiness.

Top risks: Infotainment & Connectivity · Engine Carbon Buildup (Direct Injection) · Minor Electrical Sensors/Switches

91
2001 Lexus IsLOW RISKGrade A-

A modern classic that's built to last, offering driving pleasure with minimal headaches.

Top risks: Front Lower Ball Joints · Oxygen Sensors (O2 Sensors) · VVTi Oil Control Valve / Gasket Leaks

91
2003 Lexus IsLOW RISKGrade A

A truly excellent blend of sportiness and reliability, provided you address common age-related wear items.

Top risks: Front Suspension Components · Engine Sensors & Seals · Interior & Electrical Cosmetics

91
2012 Lexus IsLOW RISKGrade A-

A remarkably dependable luxury sport sedan that demands proactive maintenance for its few known weaknesses.

Top risks: Engine (Direct-Injection Carbon Buildup) · Cooling System (Water Pump) · Interior (Dashboard/Door Panel Melting)

91
2015 Lexus IsLOW RISKGrade A-

A supremely reliable luxury sport sedan that will reward owners with minimal headaches and strong value retention.

Top risks: Engine (2.5L V6) · Cooling System · Infotainment System

91
2017 Lexus IsLOW RISKGrade A-

A supremely reliable luxury sport sedan that consistently outperforms its European rivals in long-term dependability.

Top risks: Infotainment System · Oxygen/Air-Fuel Ratio Sensors · A/C Condenser/Compressor

91
2018 Lexus IsLOW RISKGrade A-

A testament to Japanese engineering, the 2018 IS offers near-bulletproof reliability with very few major drawbacks.

Top risks: Infotainment System · Front Brake Components · HVAC Blower Motor

91
2025 Lexus IsLOW RISKGrade A-

A steadfast luxury performer that consistently delivers on its promise of unwavering dependability.

Top risks: Fuel System & Induction · Infotainment & Electrical Glitches · Brake Components (Rotors)

90
2013 Lexus IsLOW RISKGrade A-

A premium used sport sedan offering exceptional long-term value, particularly when opting for the robust IS 350.

Top risks: Engine (IS 250 Specific) · Interior Dashboard · Cooling System

90
2014 Lexus IsLOW RISKGrade A

A premium sedan offering exceptional long-term reliability and peace of mind for savvy luxury buyers.

Top risks: Engine Cooling System · Infotainment System · Front Suspension Bushings

90
2016 Lexus IsLOW RISKGrade A-

A supremely reliable luxury sedan with minor tech and direct-injection caveats.

Top risks: Infotainment System · Engine Carbon Buildup · Front Lower Control Arm Bushings

89
2005 Lexus IsLOW RISKGrade A-

A testament to Toyota's engineering prowess, this IS is a high-value used luxury car with minimal core reliability concerns.

Top risks: Emissions System · Front Suspension & Steering · Interior & Electrical Components

88
2002 Lexus IsLOW RISKGrade A-

A remarkably durable and engaging sport sedan that continues to offer exceptional value, provided a few age-related weak spots are addressed.

Top risks: Suspension - Lower Ball Joints · Exhaust System - Oxygen Sensors · Body - Rust/Corrosion

88
2004 Lexus IsLOW RISKGrade A-

An incredibly reliable and engaging compact luxury sedan, requiring attention to a few predictable wear points.

Top risks: Front Suspension Components · Braking System · Interior Trim & Plastics

88
2007 Lexus IsLOW RISKGrade A-

A well-engineered luxury compact offering a smooth, reliable ride, provided you address its specific known cosmetic and engine maintenance items.

Top risks: Engine Carbon Buildup · Interior Dashboard/Door Panels · Water Pump Failure

88
2008 Lexus IsLOW RISKGrade A-

A remarkably durable luxury compact, offering impressive reliability despite a few well-documented, but manageable, weak points.

Top risks: Engine (IS 250 Carbon Buildup) · Interior Material Degradation · Suspension Bushings & Components

88
2009 Lexus IsLOW RISKGrade A-

A premium, reliable daily driver with few major Achilles' heels if you choose wisely and maintain proactively.

Top risks: Engine (IS 250 Carbon Buildup) · Interior (Dashboard Cracking/Melting) · Cooling System (Water Pump)

88
2010 Lexus IsLOW RISKGrade A-

A premium, reliable daily driver that demands attention to its specific, well-documented weaknesses for long-term satisfaction.

Top risks: Engine (IS250 Specific) · Interior Materials · Cooling System

87
2011 Lexus IsLOW RISKGrade A-

A supremely reliable luxury compact, but the 2.5L engine demands specific attention to avoid costly carbon-related issues.

Top risks: Engine (IS250 only) · Interior Plastics · Water Pump

83
2006 Lexus IsLOW RISKGrade B+

A premium, comfortable, and generally stout luxury sedan, but the IS250 demands vigilance for its specific engine quirks.

Top risks: Engine (IS250 Carbon Buildup) · Engine (Water Pump) · Suspension & Steering

Problems That Follow the Is Across Generations

Issues that appear in the top-3 risks across multiple model years — the cost of ownership you can actually predict.

Infotainment System

Appears in 10 model years · 40% of generations

Cooling System

Appears in 3 model years · 12% of generations

Brake System Wear

Appears in 3 model years · 12% of generations

Front Suspension Components

Appears in 2 model years · 8% of generations

Engine Carbon Buildup

Appears in 2 model years · 8% of generations

Engine (IS 250 Carbon Buildup)

Appears in 2 model years · 8% of generations

Cooling System (Water Pump)

Appears in 2 model years · 8% of generations

Buying a Used Is?

Get the full reliability report for your specific year.

Score, risk level, top risk areas, repair costs, mileage danger zones, and "what I would do" guidance — all in under 60 seconds.

Full Detail

Pick a year. Get the full report.

Side-by-side rankings are a great start, but the detailed repair costs, mileage danger zones, and buyer checklist live inside each year's full reliability report.