Lexus IS300

Reliability, estimated running costs, and MOT data across 11 model years from 1,415 MOT tests in 2024.

Avg Pass Rate

84%

Total Tests

1,415

Highest Pass Rate

2005 (90%)

Years Covered

About the Lexus IS300

The Lexus IS300 was MOT tested 1,415 times in 2024 (DVSA data, retests included) across 11 model years (2001 to 2018), with an average pass rate of 84%. That's slightly above the average of 82% across all models in our data. Our records list petrol and hybrid and electric versions.

Best and Worst Years

Of the years with at least 100 tests, the 2005 model has the highest pass rate at 90% from 105 tests. The 2001 model has the lowest at 73%. With a 17 point gap, the year you choose makes a real difference. Newer cars usually pass more often simply because they are younger.

Reliability Trend

Newer Lexus IS300s pass their MOT more often than older ones, by 5 percentage points on average, which is mostly down to age and wear.

Mileage Across Years

The oldest model in our data (2001) averages 126,707 miles, while the newest (2018) averages 33,082 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.

Estimated Running Costs

Fuel (Hybrid, 2497cc)

£1,958

Road Tax

£200

MOT Test

£55

Predicted Repairs

£200

Total per year£2,413

Per month£201/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2018 details

How reliable is the Lexus IS300?

vs average of all models+2% (82% avg)

vs Lexus brand average-3% (87% avg)

Best to worst year spread17 percentage points

Reliability trendImproving over years

Lexus IS300 by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

Year	Pass Rate	Tests	Avg Mileage
2018	100%	31	33,082 mi
2017	83%	47	44,028 mi
2016	98%	54	83,188 mi
2015	93%	45	108,740 mi
2014	75%	57	105,616 mi
2013	72%	32	165,163 mi
2005	90%	105	108,662 mi
2004	80%	265	111,202 mi
2003	80%	293	114,003 mi
2002	84%	361	121,943 mi
2001	73%	125	126,707 mi

Questions about the Lexus IS300

Is the Lexus IS300 reliable?

Across its 11 model years in our data (2001 to 2018), the Lexus IS300 averages an 84% MOT pass rate, from 1,415 tests (DVSA MOT data for tests in 2024, retests included). That's 2 points above the average of 82% across all models in the same data. The 2005 model has the highest pass rate of the years with at least 100 tests, at 90%.

Which year Lexus IS300 has the best MOT pass rate?

Of the years with at least 100 tests, the 2005 Lexus IS300 has the highest MOT pass rate at 90%, while the 2001 model has the lowest at 73%, a 17 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.