Ford Mondeo ST-Line HEV Auto (2020)

Estimated running costs and MOT pass rates from 370 MOT tests in 2024.

Annual Cost

£2,236

£186/month

MOT Pass Rate

86%

Good

Road Tax

£200

Standard rate/year

Est. Insurance

Grp 18-32

1999cc Hybrid

Solid Option

86% pass rate, £2,236/year to run. Close to the average across all models.

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Hybrid1999cc6 years old370 tests43k miles avg

Annual Running Costs

Fuel (Hybrid, 1999cc)

~36 mpg (petrol-engine estimate; hybrids usually use less)

£1,631

Road Tax

Standard rate (from April 2017)

£200

MOT Test

£55

Predicted Repairs

£350

Total per year£2,236

Per month£186/mo

Per week£43/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

86% MOT pass rate(Good)

0%All-model avg: 82%100%

Good reliability. Occasional issues but generally solid. That's close to the average of 82% across all models in our data.

86% of MOT tests on Ford Mondeo ST-Line HEV Autos from 2020 ended in a pass in 2024, when they were about 4 years old. That's based on 370 tests across the UK, retests included. The average mileage recorded at those tests was 42,856 miles.

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How Does It Compare?

Rank among 2020 models2268th of 2,554(bottom 12%)

Rank among Ford models626th of 1,136(bottom half)

vs average of all models+4%(82% avg)

vs 2020 models average-6%(92% avg)

vs Ford average+1%(85% avg)

Mileage Analysis

42,856

Average miles

29,600

Expected for age

The average 2020 Ford Mondeo ST-Line HEV Auto had 42,856 miles on the clock at its 2024 MOT, which is above the expected 29,600 miles for a 4-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.

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Ford Mondeo ST-Line HEV Auto by Year

Year	Pass Rate	Tests	Avg Mileage
2022	97%	37	29,944 mi
2021	85%	321	35,284 mi
2020	86%	370	42,856 mi

Similar Cars to Consider

Mercedes C

2018 · 1991cc Hybrid

£2,086/year

90%

+4%

MINI Cooper S

2019 · 1499cc Hybrid

£1,853/year

92%

+6%

Land Rover Range Rover Sport

2019 · 1997cc Hybrid

£2,086/year

94%

+8%

Toyota Prius

2019 · 1797cc Hybrid

£2,086/year

94%

+8%

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About the 2020 Ford Mondeo ST-Line HEV Auto

The 2020 Ford Mondeo ST-Line HEV Auto is a family car. Our records list a 1999cc hybrid engine, though engines vary between versions. 370 MOT tests were recorded on this model in 2024, making it a less common model in the UK market. It sits in the bottom 12% of 2020 models for MOT pass rate.

With an average of 42,856 miles recorded at its 2024 MOT tests, Ford Mondeo ST-Line HEV Auto owners cover more miles than the average driver.

2020 Ford Mondeo ST-Line HEV Auto Fuel Costs

The 1999cc hybrid engine offers a reasonable balance between performance and economy. Our estimate uses around 36 mpg, the figure for a petrol engine of this size, which works out to roughly £1,631 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 2020 Ford Mondeo ST-Line HEV Auto?

Total estimated annual running cost is £2,236 (£186/month), broken down as £1,631 fuel, £200 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 86% pass rate. Keeping on top of servicing will help avoid surprises.

Buying a Used 2020 Ford Mondeo ST-Line HEV Auto

At 6 years old, the Ford Mondeo ST-Line HEV Auto offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.

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

Medium risk

After 6 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

Low 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.

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 2020 Ford Mondeo ST-Line HEV Auto 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
Ford Mondeo ST-Line HEV Auto(2020)	86%	£1,631	£200	Grp 18-32	£2,236
Mercedes C(2018)	90%	£1,631	£200	Grp 18-32	£2,086-£150
MINI Cooper S(2019)	92%	£1,398	£200	Grp 12-25	£1,853-£383
Land Rover Range Rover Sport(2019)	94%	£1,631	£200	Grp 18-32	£2,086-£150
Toyota Prius(2019)	94%	£1,631	£200	Grp 18-32	£2,086-£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 2020 Ford Mondeo ST-Line HEV Auto

Is the 2020 Ford Mondeo ST-Line HEV Auto reliable?

Good reliability. Occasional issues but generally solid. 86% of MOT tests on 2020 Ford Mondeo ST-Line HEV Autos ended in a pass, from 370 tests (DVSA MOT data for tests in 2024, retests included). That's 4 points above the average of 82% across all models in the same data.

How much does a 2020 Ford Mondeo ST-Line HEV Auto cost to run?

Our estimate is £2,236 a year (£186 a month): £1,631 fuel, £200 road tax, £55 MOT and £350 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 2020 Ford Mondeo ST-Line HEV Auto?

86% of 370 MOT tests on the 2020 Ford Mondeo ST-Line HEV Auto ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 2268th of 2,554 models first registered in 2020 (bottom 12%).

Which year Ford Mondeo ST-Line HEV Auto has the best MOT pass rate?

Of the years with at least 100 tests, the 2020 Ford Mondeo ST-Line HEV Auto has the highest MOT pass rate at 86% and the 2021 the lowest at 85%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2020 Ford Mondeo ST-Line HEV Auto?

The average mileage recorded at MOT tests on the 2020 Ford Mondeo ST-Line HEV Auto is 42,856 miles, which is above the expected 29,600 miles for a 4-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.