CarCostCheck

LEXUS IS300 (2014)

Running costs, reliability data, and common problems from 57 real MOT tests.

Annual Cost

£2,577

£215/month

MOT Pass Rate

75%

Average

Road Tax

£430

Based on CC/year

Insurance

Grp 25-38

2500cc Hybrid

Check Carefully

75% pass rate, £2577/year to run. 7 points below average.

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Hybrid2500cc12 years old57 tests106k miles avg

Annual Running Costs

Fuel (Hybrid, 2500cc)

~30 mpg

£1,592
Road Tax

Based on 2500cc

£430
MOT Test
£55
Predicted Repairs
£500
Total per year£2,577
Per month£215/mo
Per week£50/wk

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.

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Reliability Verdict

75% MOT pass rate(Average)
0%National avg: 82%100%

Average reliability. Expect some repairs as it ages. That's 7 points below the national average of 82%. It falls below the LEXUS brand average of 87%.

At 12 years old, 75% of LEXUS IS300s from 2014 passed their MOT first time in 2026. That's based on 57 tests across the UK. The average mileage at this age is 105,616 miles.

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How Does It Compare?

Rank among 2014 cars513th of 562(top 91%)
Rank among LEXUS models287th of 301(top 95%)
vs national average-7%(82% avg)
vs 2014 cars average-6%(81% avg)
vs LEXUS average-12%(87% avg)

Mileage Analysis

105,616

Average miles

vs

88,800

Expected for age

The average 2014 LEXUS IS300 has 105,616 miles on the clock, which is in line with the expected 88,800 miles for a 12-year-old car, suggesting normal everyday use.

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Best Year to Buy?

The most reliable year is the 2016 model with a 98% MOT pass rate, while the 2001 model has the lowest at 73%. The 2014 sits between the two at 75%.

LEXUS IS300 by Year

YearPass RateTestsAvg Mileage
2018100%3133,082 mi
201783%4744,028 mi
201698%5483,188 mi
201593%45108,740 mi
201475%57105,616 mi
201372%32165,163 mi
200590%105108,662 mi
200480%265111,202 mi
200380%293114,003 mi
200284%361121,943 mi
200173%125126,707 mi

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About the 2014 LEXUS IS300

The 2014 LEXUS IS300 is a premium with a 2500cc hybrid engine. 57 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It sits in the bottom 91% of 2014 cars for MOT pass rates.

With an average of 105,616 miles at 12 years old, LEXUS IS300 owners drive about as much as the UK average.

2014 LEXUS IS300 Fuel Costs

The 2500cc hybrid engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current hybrid prices of 142p per litre (based on 7,400 miles per year). As a hybrid, real-world fuel costs will vary significantly depending on how much electric-only driving you do.

What does it cost to own a 2014 LEXUS IS300?

Total estimated annual running cost is £2,577 215/month), broken down as £1592 fuel, £430 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 75% pass rate. Keeping on top of servicing will help avoid surprises.

LEXUS IS300 Reliability Trend

Newer LEXUS IS300s show better MOT pass rates than older ones, with an average improvement of 7 percentage points.

Buying a Used 2014 LEXUS IS300

At 12 years old, the LEXUS IS300 is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. If you're flexible on year, the 2016 model has the highest pass rate at 98%. Note: with only 57 tests in our data, these figures should be treated as indicative rather than definitive.

Common Issues to Watch For

Based on the 2014 LEXUS IS300's fuel type, age, and engine size, these are the most likely problem areas to check.

Hybrid Battery Health

Watch out

After 12 years, hybrid battery capacity may have reduced. A full replacement costs £2,000-£4,000, though reconditioning is cheaper at £500-£1,500.

Inverter and Power Electronics

Medium risk

The inverter converts DC to AC for the electric motor. Failures are expensive (£1,500+) but relatively rare. Listen for unusual buzzing sounds.

Regenerative Braking

Medium risk

Brake discs can corrode from reduced use (the electric motor handles most braking). Surface rust is normal but deep pitting needs attention.

Rust and Corrosion

Watch out

At 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.

Suspension Bushings

Watch out

Rubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.

Clutch Wear

Watch out

With an average of 106k miles, clutch replacement may be due (typical lifespan 60,000-100,000 miles). Budget £400-£800 for a new clutch kit.

Brake Discs and Pads

Medium risk

High-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.

Service History

Low risk

Always request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.

Running Costs Compared

How the 2014 LEXUS IS300 stacks up against similar cars for annual running costs, insurance, and tax.

CarPass RateFuel/yrTax/yrInsuranceTotal/yr
LEXUS IS300(2014)75%£1592£430Grp 25-38£2577
BMW X5(2016)92%£1327£135Grp 18-32£1717-£860
LEXUS NX(2016)93%£1592£250Grp 25-38£2097-£480
TOYOTA ESTIMA(2012)91%£1592£250Grp 25-38£2097-£480
LEXUS IS(2016)91%£1592£250Grp 25-38£2097-£480

Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.

Related Lexus Models

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