Lexus RX450H (2017)

Estimated running costs and MOT pass rates from 32 MOT tests in 2024.

Annual Cost

£2,413

£201/month

MOT Pass Rate

97%

Excellent

Road Tax

£200

Standard rate/year

Est. Insurance

Grp 35-50

3500cc Hybrid

Great Choice

97% pass rate, £2,413/year to run. 15 points above average.

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Hybrid3500cc9 years old32 tests48k miles avg

Annual Running Costs

Fuel (Hybrid, 3500cc)

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

£1,958

Road Tax

Standard rate (from April 2017)

£200

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£2,413

Per month£201/mo

Per week£46/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. Cars registered from April 2017 pay the £200 standard rate, plus £440 a year for five years (from the second year) if they cost over £40,000 new (over £50,000 for electric cars).

Reliability Verdict

97% MOT pass rate(Excellent)

0%All-model avg: 82%100%

Excellent reliability. Very few MOT failures. That's 15 points above the average of 82% across all models in our data. It also outperforms the Lexus brand average of 87%.

97% of MOT tests on Lexus RX450Hs from 2017 ended in a pass in 2024, when they were about 7 years old. That's based on 32 tests across the UK, retests included. The average mileage recorded at those tests was 48,058 miles.

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How Does It Compare?

Rank among 2017 models44th of 540(top 9%)

Rank among Lexus models25th of 298(top 9%)

vs average of all models+15%(82% avg)

vs 2017 models average+10%(87% avg)

vs Lexus average+10%(87% avg)

Mileage Analysis

48,058

Average miles

51,800

Expected for age

The average 2017 Lexus RX450H had 48,058 miles on the clock at its 2024 MOT, which is in line with the expected 51,800 miles for a 7-year-old car, suggesting normal everyday use.

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Best Year to Buy?

Of the years with at least 100 tests, the 2013 model has the highest MOT pass rate at 92%, while the 2005 model has the lowest at 77%. The 2017 scores 97%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Lexus RX450H by Year

Year	Pass Rate	Tests	Avg Mileage
2017	97%	32	48,058 mi
2016	98%	83	62,296 mi
2014	95%	39	77,392 mi
2013	92%	112	98,104 mi
2012	87%	1,954	98,500 mi
2011	86%	3,038	107,993 mi
2010	86%	4,300	118,453 mi
2009	85%	2,273	125,147 mi
2008	86%	306	139,198 mi
2007	77%	292	148,930 mi
2006	82%	272	149,472 mi
2005	77%	132	130,945 mi

Similar Cars to Consider

Mercedes S-Class

2016 · 3498cc Hybrid

£3,003/year

91%

-6%

Lexus RX

2019 · 3456cc Hybrid

£2,413/year

96%

-1%

Porsche Panamera

2018 · 3996cc Hybrid

£2,413/year

95%

-2%

Toyota Alphard

2017 · 3000cc Hybrid

£2,563/year

80%

-17%

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About the 2017 Lexus RX450H

The 2017 Lexus RX450H is a premium performance car. Our records list a 3500cc hybrid engine, though engines vary between versions. 32 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It ranks in the top 9% of all 2017 models for MOT pass rate.

With an average of 48,058 miles recorded at its 2024 MOT tests, Lexus RX450H owners drive about as much as the UK average.

2017 Lexus RX450H Fuel Costs

The 3500cc 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 2017 Lexus RX450H?

Total estimated annual running cost is £2,413 (£201/month), broken down as £1,958 fuel, £200 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 97% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Lexus RX450H Reliability Trend

Newer Lexus RX450Hs 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 2017 Lexus RX450H

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 2013 model has the highest pass rate at 92%. Note: with only 32 tests in our data, these figures should be treated as indicative rather than definitive.

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 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 RX450H 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 RX450H(2017)	97%	£1,958	£200	Grp 35-50	£2,413
Mercedes S-Class(2016)	91%	£1,958	£790	Grp 35-50	£3,003+£590
Lexus RX(2019)	96%	£1,958	£200	Grp 35-50	£2,413same
Porsche Panamera(2018)	95%	£1,958	£200	Grp 35-50	£2,413same
Toyota Alphard(2017)	80%	£1,958	£200	Grp 30-42	£2,563+£150

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 2017 Lexus RX450H

Is the 2017 Lexus RX450H reliable?

Excellent reliability. Very few MOT failures. 97% of MOT tests on 2017 Lexus RX450Hs ended in a pass, from 32 tests (DVSA MOT data for tests in 2024, retests included). That's 15 points above the average of 82% across all models in the same data.

How much does a 2017 Lexus RX450H cost to run?

Our estimate is £2,413 a year (£201 a month): £1,958 fuel, £200 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 2017 Lexus RX450H?

97% of 32 MOT tests on the 2017 Lexus RX450H ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 44th of 540 models first registered in 2017 (top 9%).

Which year Lexus RX450H has the best MOT pass rate?

Of the years with at least 100 tests, the 2013 Lexus RX450H has the highest MOT pass rate at 92% and the 2005 the lowest at 77%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2017 Lexus RX450H?

The average mileage recorded at MOT tests on the 2017 Lexus RX450H is 48,058 miles, which is in line with the expected 51,800 miles for a 7-year-old car, suggesting normal everyday use.