What to Consider When You Are Buying a

2010 Lexus IS250 4-Door Sedan

Introduction

Purchasing a used 2010 Lexus IS250 4‑Door Sedan requires a structured approach to ensure

that the vehicle you are considering aligns with your expectations for reliability, comfort,

performance, and long‑term ownership costs. This guide presents a clear, procedural framework

to help you evaluate this model thoroughly before making a purchase. It reflects the known

characteristics of the 2010 IS250 AWD, including its strengths in refinement, safety, and build

● 2.5L V6 engine

● Approximately 204 horsepower and 185 lb‑ft torque

● 6‑speed automatic transmission

● Full‑time all‑wheel drive system

● Reputation for smooth, quiet operation rather than aggressive performance

Fuel Economy

According to industry testing:

● City: approx. 10.5 L/100 km

● Highway: approx. 7.6 L/100 km

● Combined: approx. 9.2 L/100 km

● Rated Good (the highest category) in most major crash‑test categories.

● Demonstrates solid structural protection and occupant safety.

NHTSA Ratings Overview

● Strong performance in frontal, side, and rollover evaluations.

● Includes multiple airbags, stability control, and anti‑lock braking systems.

Safety System Considerations

When inspecting the vehicle:

● Ensure all dashboard warning lights illuminate briefly and then turn off.

● Confirm the operation of stability control, traction control, and ABS.

● Test the responsiveness of the brake system during the road test.

● Sticky or softening dashboard material

● Glossy or melting surfaces under prolonged heat exposure

● Age‑related cracking or fading

Inspect closely around the dashboard, door panels, and console.

Carbon Build‑Up and Oil Consumption

The 2.5L V6 may develop:

● Carbon build‑up around intake components

● Occasional oil consumption at higher mileage

Review maintenance records for:

● Regular oil changes

● Worn bushings or control arm components

Electronics and Interior Components

Verify:

● Mirror clarity (some units develop internal discoloration)

● Seat memory and power adjustments

● Climate control responsiveness

● Infotainment/navigation functionality

Recall & Safety Campaign Checklist

Before purchase, confirm the status of all recalls using the VIN.

Steps:

● Mechanical condition

● Service records and preventive maintenance

● Trim level and feature packages

A well‑maintained IS250 AWD typically retains good resale value due to strong reliability

reputation.

Pre‑Purchase Inspection Checklist

Conducting a structured inspection is essential.

Exterior Examination

● Inspect paint uniformity and signs of repainting.

● Confirm even tire wear and adequate tread depth.

● Review belt condition.

Interior and Comfort Features

● Test seat heating, power adjustments, and memory positions.

● Verify climate control across all temperature settings.

● Inspect dashboard for cracking, fading, or soft spots.

● Check operation of sunroof, windows, and door locks.

Suspension and Steering

During the test drive:

● Listen for clunks or knocks over bumps.

● Note any vibration at higher speeds.

Transmission Evaluation

● Shifts should be smooth and unobtrusive.

● There should be no hesitation or harsh engagement.

Braking Performance

Assess:

● Brake response and firmness

● Any pulsation in the pedal

● Noise under moderate braking

Steering and Handling

● Confirm accurate steering response.

● Monitor for drift or pulling.

● Listen for suspension noise on uneven surfaces.

Electronics Testing

With a timing chain rather than a timing belt, major engine service intervals are simplified.

However, ensure routine maintenance has been performed:

● Oil and filter changes

● Brake fluid, coolant, and transmission service

● Replacement of wearable items such as brakes, bushings, and tires

Reliability Expectation

This generation of Lexus IS is known for longevity, provided that routine maintenance is

maintained.

Insurance Considerations

Insurance costs depend on:

● Driver profile

● A refined and comfortable driving experience

● Year‑round capability through AWD

● Strong reliability in a compact luxury package

● Predictable maintenance and long‑term durability

When to Walk Away

Consider declining a vehicle if you observe:

● Incomplete maintenance history

● Active warning lights

● Evidence of major leaks or engine issues

● Significant interior deterioration