Lexus IS300 (2005)

Estimated running costs and MOT pass rates from 105 MOT tests in 2024.

Annual Cost

£2,658

£222/month

MOT Pass Rate

90%

Excellent

Road Tax

£445

Estimated/year

Est. Insurance

Grp 30-42

2997cc Petrol

Great Choice

90% pass rate, £2,658/year to run. 8 points above average.

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Petrol2997cc21 years old105 tests109k miles avg

Annual Running Costs

Fuel (Petrol, 2997cc)

~30 mpg

£1,958

Road Tax

Estimated CO2 band

£445

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£2,658

Per month£222/mo

Per week£51/wk

Estimates based on 7,400 miles/year (UK average), petrol at 174.57p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included.

Reliability Verdict

90% MOT pass rate(Excellent)

0%All-model avg: 82%100%

Excellent reliability. Very few MOT failures. That's 8 points above the average of 82% across all models in our data.

90% of MOT tests on Lexus IS300s from 2005 ended in a pass in 2024, when they were about 19 years old. That's based on 105 tests across the UK, retests included. The average mileage recorded at those tests was 108,662 miles.

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How Does It Compare?

Rank among 2005 models46th of 504(top 10%)

Rank among Lexus models120th of 298(top half)

vs average of all models+8%(82% avg)

vs 2005 models average+18%(72% avg)

vs Lexus average+3%(87% avg)

Mileage Analysis

108,662

Average miles

140,600

Expected for age

The average 2005 Lexus IS300 had 108,662 miles on the clock at its 2024 MOT, which is below the expected 140,600 miles for a 19-year-old car. This suggests lighter use than average, which generally means less wear on major components.

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Lexus IS300 by Year

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

Similar Cars to Consider

Land Rover Freelander

2007 · 3192cc Petrol

£3,303/year

75%

-15%

Saab 9-3

2007 · 2792cc Petrol

£2,958/year

76%

-14%

Mercedes E

2004 · 3199cc Petrol

£3,303/year

78%

-12%

Mercedes CLK

2007 · 2997cc Petrol

£2,958/year

76%

-14%

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About the 2005 Lexus IS300

The 2005 Lexus IS300 is a premium performance car. Our records list a 2997cc petrol engine, though engines vary between versions. 105 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It ranks in the top 10% of all 2005 models for MOT pass rate.

With an average of 108,662 miles recorded at its 2024 MOT tests, Lexus IS300 owners tend to use this car less than the typical driver.

2005 Lexus IS300 Fuel Costs

The 2997cc petrol 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 £1,958 per year with petrol at 174.57p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year).

What does it cost to own a 2005 Lexus IS300?

Total estimated annual running cost is £2,658 (£222/month), broken down as £1,958 fuel, £445 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 90% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Lexus IS300 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.

Buying a Used 2005 Lexus IS300

At 21 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.

Common Issues to Watch For

These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.

Timing Chain / Belt

Watch out

At 21 years old, check whether the timing belt has been replaced (typically due every 5-7 years or 60,000-100,000 miles). A snapped belt can destroy the engine.

Oil Consumption

Medium risk

Larger petrol engines can develop higher oil consumption as they age. Check the oil level and look for blue smoke from the exhaust.

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 109k 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 2005 Lexus IS300 stacks up against similar cars for estimated annual running costs, insurance group, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Est. Ins. Group	Total/yr
Lexus IS300(2005)	90%	£1,958	£445	Grp 30-42	£2,658
Land Rover Freelander(2007)	75%	£1,958	£790	Grp 35-50	£3,303+£645
Saab 9-3(2007)	76%	£1,958	£445	Grp 30-42	£2,958+£300
Mercedes E(2004)	78%	£1,958	£790	Grp 35-50	£3,303+£645
Mercedes CLK(2007)	76%	£1,958	£445	Grp 30-42	£2,958+£300

Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.

Questions about the 2005 Lexus IS300

Is the 2005 Lexus IS300 reliable?

Excellent reliability. Very few MOT failures. 90% of MOT tests on 2005 Lexus IS300s ended in a pass, from 105 tests (DVSA MOT data for tests in 2024, retests included). That's 8 points above the average of 82% across all models in the same data.

How much does a 2005 Lexus IS300 cost to run?

Our estimate is £2,658 a year (£222 a month): £1,958 fuel, £445 road tax, £55 MOT and £200 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 2005 Lexus IS300?

90% of 105 MOT tests on the 2005 Lexus IS300 ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 46th of 504 models first registered in 2005 (top 10%).

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% and the 2001 the lowest at 73%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2005 Lexus IS300?

The average mileage recorded at MOT tests on the 2005 Lexus IS300 is 108,662 miles, which is below the expected 140,600 miles for a 19-year-old car. This suggests lighter use than average, which generally means less wear on major components.