CarCostCheck

LEXUS IS300 (2017)

Running costs, reliability data, and common problems from 47 real MOT tests.

Annual Cost

£2,192

£183/month

MOT Pass Rate

83%

Good

Road Tax

£195

Flat rate/year

Insurance

Grp 25-38

2494cc Hybrid

Solid Option

83% pass rate, £2192/year to run. Close to the national average.

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Hybrid2494cc9 years old47 tests44k miles avg

Annual Running Costs

Fuel (Hybrid, 2494cc)

~30 mpg

£1,592
Road Tax

Flat rate (post-2017)

£195
MOT Test
£55
Predicted Repairs
£350
Total per year£2,192
Per month£183/mo
Per week£42/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

83% MOT pass rate(Good)
0%National avg: 82%100%

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%. It falls below the LEXUS brand average of 87%.

At 9 years old, 83% of LEXUS IS300s from 2017 passed their MOT first time in 2026. That's based on 47 tests across the UK. The average mileage at this age is 44,028 miles.

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How Does It Compare?

Rank among 2017 cars482th of 579(top 83%)
Rank among LEXUS models205th of 301(top 68%)
vs national average+1%(82% avg)
vs 2017 cars average-4%(87% avg)
vs LEXUS average-4%(87% avg)

Mileage Analysis

44,028

Average miles

vs

66,600

Expected for age

The average 2017 LEXUS IS300 has 44,028 miles on the clock, which is below the expected 66,600 miles for a 9-year-old car. This suggests lighter use than average, which generally means less wear on major components.

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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 2017 sits between the two at 83%.

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 2017 LEXUS IS300

The 2017 LEXUS IS300 is a premium with a 2494cc hybrid engine. 47 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It sits in the bottom 83% of 2017 cars for MOT pass rates.

With an average of 44,028 miles at 9 years old, LEXUS IS300 owners tend to use this car less than the typical driver.

2017 LEXUS IS300 Fuel Costs

The 2494cc hybrid engine offers a reasonable balance between performance and economy. 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 2017 LEXUS IS300?

Total estimated annual running cost is £2,192 183/month), broken down as £1592 fuel, £195 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 83% 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 2017 LEXUS IS300

At 9 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. If you're flexible on year, the 2016 model has the highest pass rate at 98%. Note: with only 47 tests in our data, these figures should be treated as indicative rather than definitive.

Common Issues to Watch For

Based on the 2017 LEXUS IS300's fuel type, age, and engine size, these are the most likely problem areas to check.

Hybrid Battery Health

Watch out

After 9 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.

Suspension Wear

Medium risk

Shock absorbers, springs, and anti-roll bar links typically need attention around this age. Listen for clunks over bumps and check for uneven tyre wear.

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 2017 LEXUS IS300 stacks up against similar cars for annual running costs, insurance, and tax.

CarPass RateFuel/yrTax/yrInsuranceTotal/yr
LEXUS IS300(2017)83%£1592£195Grp 25-38£2192
LAND ROVER RANGE ROVER SPORT(2019)94%£1327£190Grp 18-32£1772-£420
MITSUBISHI OUTLANDER(2015)83%£1327£135Grp 18-32£1867-£325
LAND ROVER RANGE ROVER(2018)93%£1327£190Grp 18-32£1772-£420
BMW X5(2016)92%£1327£135Grp 18-32£1717-£475

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

Explore other Lexus cars or similar models in the same category.

Related Guides

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