Lexus GS300

Reliability, estimated running costs, and MOT data across 16 model years from 5,487 MOT tests in 2024.

Avg Pass Rate

84%

Total Tests

5,487

Highest Pass Rate

2009 (88%)

Years Covered

About the Lexus GS300

The Lexus GS300 was MOT tested 5,487 times in 2024 (DVSA data, retests included) across 16 model years (1994 to 2009), 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 versions.

Best and Worst Years

Of the years with at least 100 tests, the 2009 model has the highest pass rate at 88% from 307 tests. The 1996 model has the lowest at 72%. With a 16 point gap, the year you choose makes a real difference. Newer cars usually pass more often simply because they are younger.

Reliability Trend

The Lexus GS300 has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.

Mileage Across Years

The oldest model in our data (1994) averages 103,430 miles, while the newest (2009) averages 82,593 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.

Estimated Running Costs

Fuel (Petrol, 2995cc)

£1,958

Road Tax

£445

MOT Test

£55

Predicted Repairs

£350

Total per year£2,808

Per month£234/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 2009 details

How reliable is the Lexus GS300?

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

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

Best to worst year spread16 percentage points

Reliability trendStable over years

Lexus GS300 by Year

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

Year	Pass Rate	Tests	Avg Mileage
2009	88%	307	82,593 mi
2008	84%	290	101,726 mi
2007	86%	537	113,924 mi
2006	82%	850	112,615 mi
2005	82%	1,380	113,983 mi
2004	82%	118	123,462 mi
2003	80%	235	120,543 mi
2002	78%	234	126,236 mi
2001	86%	205	116,012 mi
2000	82%	158	127,322 mi
1999	82%	343	120,738 mi
1998	86%	426	126,321 mi
1997	87%	175	130,327 mi
1996	72%	142	119,245 mi
1995	96%	45	134,888 mi
1994	86%	42	103,430 mi

Questions about the Lexus GS300

Is the Lexus GS300 reliable?

Across its 16 model years in our data (1994 to 2009), the Lexus GS300 averages an 84% MOT pass rate, from 5,487 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 2009 model has the highest pass rate of the years with at least 100 tests, at 88%.

Which year Lexus GS300 has the best MOT pass rate?

Of the years with at least 100 tests, the 2009 Lexus GS300 has the highest MOT pass rate at 88%, while the 1996 model has the lowest at 72%, a 16 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.