Lexus GS (2015)

Estimated running costs and MOT pass rates from 585 MOT tests in 2024.

Annual Cost

£3,003

£250/month

MOT Pass Rate

94%

Excellent

Road Tax

£790

Estimated/year

Est. Insurance

Grp 35-50

3456cc Hybrid

Great Choice

94% pass rate, £3,003/year to run. 12 points above average.

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Hybrid3456cc11 years old585 tests75k miles avg

Annual Running Costs

Fuel (Hybrid, 3456cc)

~30 mpg (petrol-engine estimate; hybrids usually use less)

£1,958

Road Tax

Estimated CO2 band

£790

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£3,003

Per month£250/mo

Per week£58/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

94% MOT pass rate(Excellent)

0%All-model avg: 82%100%

Excellent reliability. Very few MOT failures. That's 12 points above the average of 82% across all models in our data. It also outperforms the Lexus brand average of 87%.

94% of MOT tests on Lexus GSs from 2015 ended in a pass in 2024, when they were about 9 years old. That's based on 585 tests across the UK, retests included. The average mileage recorded at those tests was 75,300 miles.

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How Does It Compare?

Rank among 2015 models69th of 515(top 14%)

Rank among Lexus models58th of 298(top 20%)

vs average of all models+12%(82% avg)

vs 2015 models average+11%(83% avg)

vs Lexus average+7%(87% avg)

Mileage Analysis

75,300

Average miles

66,600

Expected for age

The average 2015 Lexus GS had 75,300 miles on the clock at its 2024 MOT, which is in line with the expected 66,600 miles for a 9-year-old car, suggesting normal everyday use.

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Best Year to Buy?

Of the years with at least 100 tests, the 2017 model has the highest MOT pass rate at 96%, while the 2007 model has the lowest at 82%. The 2015 scores 94%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Lexus GS by Year

Year	Pass Rate	Tests	Avg Mileage
2018	94%	399	52,828 mi
2017	96%	629	58,563 mi
2016	94%	1,022	74,753 mi
2015	94%	585	75,300 mi
2014	93%	828	82,670 mi
2013	93%	1,001	82,423 mi
2012	89%	836	91,847 mi
2011	88%	108	93,860 mi
2010	84%	206	102,294 mi
2008	95%	37	89,134 mi
2007	82%	144	120,718 mi
2006	83%	78	119,533 mi

Similar Cars to Consider

Mercedes S-Class

2016 · 3498cc Hybrid

£3,003/year

91%

-3%

Lexus RX

2017 · 3456cc Hybrid

£2,413/year

95%

+1%

Lexus RX 450H Luxury CVT

2013 · 3456cc Hybrid

£3,003/year

90%

-4%

Toyota Alphard

2017 · 3000cc Hybrid

£2,563/year

80%

-14%

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About the 2015 Lexus GS

The 2015 Lexus GS is a premium performance car. Our records list a 3456cc hybrid engine, though engines vary between versions. 585 MOT tests were recorded on this model in 2024, making it a less common model in the UK market. It ranks in the top 14% of all 2015 models for MOT pass rate.

With an average of 75,300 miles recorded at its 2024 MOT tests, Lexus GS owners drive about as much as the UK average.

2015 Lexus GS Fuel Costs

The 3456cc hybrid engine is on the larger side, so fuel won't be this car's strong point. Our estimate uses around 30 mpg, the figure for a petrol engine of this size, 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). As a hybrid it should use less than that, and real-world fuel costs depend a lot on how much electric-only driving you do.

What does it cost to own a 2015 Lexus GS?

Total estimated annual running cost is £3,003 (£250/month), broken down as £1,958 fuel, £790 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Lexus GS Reliability Trend

Newer Lexus GSs pass their MOT more often than older ones, by 7 percentage points on average, which is mostly down to age and wear.

Buying a Used 2015 Lexus GS

At 11 years old, the Lexus GS 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 2017 model has the highest pass rate at 96%.

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.

Hybrid Battery Health

Watch out

After 11 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.

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 2015 Lexus GS 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 GS(2015)	94%	£1,958	£790	Grp 35-50	£3,003
Mercedes S-Class(2016)	91%	£1,958	£790	Grp 35-50	£3,003same
Lexus RX(2017)	95%	£1,958	£200	Grp 35-50	£2,413-£590
Lexus RX 450H Luxury CVT(2013)	90%	£1,958	£790	Grp 35-50	£3,003same
Toyota Alphard(2017)	80%	£1,958	£200	Grp 30-42	£2,563-£440

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 2015 Lexus GS

Is the 2015 Lexus GS reliable?

Excellent reliability. Very few MOT failures. 94% of MOT tests on 2015 Lexus GSs ended in a pass, from 585 tests (DVSA MOT data for tests in 2024, retests included). That's 12 points above the average of 82% across all models in the same data.

How much does a 2015 Lexus GS cost to run?

Our estimate is £3,003 a year (£250 a month): £1,958 fuel, £790 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 2015 Lexus GS?

94% of 585 MOT tests on the 2015 Lexus GS ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 69th of 515 models first registered in 2015 (top 14%).

Which year Lexus GS has the best MOT pass rate?

Of the years with at least 100 tests, the 2017 Lexus GS has the highest MOT pass rate at 96% and the 2007 the lowest at 82%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2015 Lexus GS?

The average mileage recorded at MOT tests on the 2015 Lexus GS is 75,300 miles, which is in line with the expected 66,600 miles for a 9-year-old car, suggesting normal everyday use.