Is the 2018 TOYOTA NOAH reliable?

Excellent reliability. Very few MOT failures. 93% of TOYOTA NOAHs from 2018 passed their MOT first time in 2026, based on 204 tests. That's 11 points above the national average of 82%.

How much does a 2018 TOYOTA NOAH cost to run?

Estimated annual running cost is £1,777 (£148/month), including £1327 fuel, £195 road tax, £55 MOT, and £200 predicted repairs.

What is the MOT pass rate for a 2018 TOYOTA NOAH?

The 2018 TOYOTA NOAH has a 93% MOT pass rate based on 204 tests in 2026. This ranks 194 out of 649 cars from 2018.

Which year TOYOTA NOAH is most reliable?

The 2021 TOYOTA NOAH has the highest MOT pass rate at 98%. The least reliable year is 2009 at 84%.

What is the average mileage for a 2018 TOYOTA NOAH?

The average mileage for a 2018 TOYOTA NOAH is 51,701 miles, which is in line with the expected 59,200 miles for a 8-year-old car, suggesting normal everyday use.

TOYOTA NOAH (2018)

Running costs, reliability data, and common problems from 204 real MOT tests.

Annual Cost

£1,777

£148/month

MOT Pass Rate

93%

Excellent

Road Tax

£195

Flat rate/year

Insurance

Grp 18-32

1790cc Hybrid

Great Choice

93% pass rate, £1777/year to run. 11 points above average.

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Hybrid1790cc8 years old204 tests52k miles avg

Annual Running Costs

Fuel (Hybrid, 1790cc)

~36 mpg

£1,327

Road Tax

Flat rate (post-2017)

£195

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£1,777

Per month£148/mo

Per week£34/wk

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.

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Reliability Verdict

93% MOT pass rate(Excellent)

0%National avg: 82%100%

Excellent reliability. Very few MOT failures. That's 11 points above the national average of 82%. It also outperforms the TOYOTA brand average of 84%.

At 8 years old, 93% of TOYOTA NOAHs from 2018 passed their MOT first time in 2026. That's based on 204 tests across the UK. The average mileage at this age is 51,701 miles.

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How Does It Compare?

Rank among 2018 cars194th of 649(top 30%)

Rank among TOYOTA models238th of 996(top 24%)

vs national average+11%(82% avg)

vs 2018 cars average+4%(89% avg)

vs TOYOTA average+9%(84% avg)

Mileage Analysis

51,701

Average miles

59,200

Expected for age

The average 2018 TOYOTA NOAH has 51,701 miles on the clock, which is in line with the expected 59,200 miles for a 8-year-old car, suggesting normal everyday use.

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Best Year to Buy?

The most reliable year is the 2021 model with a 98% MOT pass rate, while the 2009 model has the lowest at 84%. The 2018 sits between the two at 93%.

TOYOTA NOAH by Year

Year	Pass Rate	Tests	Avg Mileage
2021	98%	124	36,873 mi
2020	94%	137	45,839 mi
2019	96%	149	53,872 mi
2018	93%	204	51,701 mi
2017	86%	187	76,473 mi
2016	90%	218	73,709 mi
2015	91%	213	85,642 mi
2014	91%	212	77,340 mi
2013	95%	40	67,822 mi
2012	91%	54	67,426 mi
2011	74%	47	72,113 mi
2010	88%	93	77,110 mi
2009	84%	50	73,236 mi
2007	84%	55	95,169 mi
2006	66%	32	101,412 mi

Similar Cars to Consider

MERCEDES C

2017 · 1991cc Hybrid

£1,922/year

89%

-4%

TOYOTA YARIS

2018 · 1349cc Hybrid

£1,582/year

91%

-2%

MINI COOPER S

2019 · 1499cc Hybrid

£1,582/year

92%

-1%

LAND ROVER RANGE ROVER SPORT

2019 · 1997cc Hybrid

£1,772/year

94%

+1%

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About the 2018 TOYOTA NOAH

The 2018 TOYOTA NOAH is a family car with a 1790cc hybrid engine. 204 of these vehicles were MOT tested in 2026, making it a less common model in the UK market. Among all cars from 2018, the average MOT pass rate is 89%, and this model beats that benchmark.

With an average of 51,701 miles at 8 years old, TOYOTA NOAH owners drive about as much as the UK average.

2018 TOYOTA NOAH Fuel Costs

The 1790cc hybrid engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 per year at current hybrid prices of 142p per litre (based on 7,400 miles per year). As a hybrid, real-world fuel costs will vary significantly depending on how much electric-only driving you do.

What does it cost to own a 2018 TOYOTA NOAH?

Total estimated annual running cost is £1,777 (£148/month), broken down as £1327 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 93% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

TOYOTA NOAH Reliability Trend

Newer TOYOTA NOAHs show better MOT pass rates than older ones, with an average improvement of 5 percentage points.

Buying a Used 2018 TOYOTA NOAH

At 8 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 2021 model has the highest pass rate at 98%.

Common Issues to Watch For

Based on the 2018 TOYOTA NOAH's fuel type, age, and engine size, these are the most likely problem areas to check.

Hybrid Battery Health

Watch out

After 8 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 2018 TOYOTA NOAH stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
TOYOTA NOAH(2018)	93%	£1327	£195	Grp 18-32	£1777
MERCEDES C(2017)	89%	£1327	£190	Grp 18-32	£1922+£145
TOYOTA YARIS(2018)	91%	£1137	£190	Grp 8-20	£1582-£195
MINI COOPER S(2019)	92%	£1137	£190	Grp 12-25	£1582-£195
LAND ROVER RANGE ROVER SPORT(2019)	94%	£1327	£190	Grp 18-32	£1772-£5

Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.