Porsche Panamera (2018)

Estimated running costs and MOT pass rates from 2,579 MOT tests in 2024.

Annual Cost

£2,413

£201/month

MOT Pass Rate

95%

Excellent

Road Tax

£200

Standard rate/year

Est. Insurance

Grp 35-50

3996cc Hybrid

Great Choice

95% pass rate, £2,413/year to run. 13 points above average.

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Hybrid3996cc8 years old2,579 tests47k miles avg

Annual Running Costs

Fuel (Hybrid, 3996cc)

~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

95% MOT pass rate(Excellent)

0%All-model avg: 82%100%

Excellent reliability. Very few MOT failures. That's 13 points above the average of 82% across all models in our data.

95% of MOT tests on Porsche Panameras from 2018 ended in a pass in 2024, when they were about 6 years old. That's based on 2,579 tests across the UK, retests included. The average mileage recorded at those tests was 47,305 miles.

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How Does It Compare?

Rank among 2018 models92nd of 607(top 16%)

Rank among Porsche models98th of 272(top half)

vs average of all models+13%(82% avg)

vs 2018 models average+6%(89% avg)

vs Porsche average+3%(92% avg)

Mileage Analysis

47,305

Average miles

44,400

Expected for age

The average 2018 Porsche Panamera had 47,305 miles on the clock at its 2024 MOT, which is in line with the expected 44,400 miles for a 6-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 95%, while the 2011 model has the lowest at 87%. The 2018 scores 95%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Porsche Panamera by Year

Year	Pass Rate	Tests	Avg Mileage
2021	93%	599	26,164 mi
2020	95%	926	31,610 mi
2019	94%	2,442	37,400 mi
2018	95%	2,579	47,305 mi
2017	95%	3,447	53,255 mi
2016	93%	1,141	63,940 mi
2015	94%	2,140	74,174 mi
2014	91%	2,259	75,756 mi
2013	91%	1,905	87,701 mi
2012	91%	1,598	91,167 mi
2011	87%	779	90,352 mi
2010	89%	822	81,583 mi
2009	91%	221	75,457 mi

Similar Cars to Consider

Mercedes S-Class

2016 · 3498cc Hybrid

£3,003/year

91%

-4%

Porsche Cayenne Turbo S E-Hybrid Auto

2020 · 3996cc Hybrid

£2,413/year

95%

same

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About the 2018 Porsche Panamera

The 2018 Porsche Panamera is a luxury car. Our records list a 3996cc hybrid engine, though engines vary between versions. 2,579 MOT tests were recorded on this model in 2024, making it a reasonably common sight on UK roads. It ranks in the top 16% of all 2018 models for MOT pass rate.

With an average of 47,305 miles recorded at its 2024 MOT tests, Porsche Panamera owners drive about as much as the UK average.

2018 Porsche Panamera Fuel Costs

The 3996cc 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 2018 Porsche Panamera?

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 95% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Porsche Panamera Reliability Trend

Newer Porsche Panameras pass their MOT more often than older ones, by 4 percentage points on average, which is mostly down to age and wear.

Buying a Used 2018 Porsche Panamera

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 2017 model has the highest pass rate at 95%.

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 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 Porsche Panamera 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
Porsche Panamera(2018)	95%	£1,958	£200	Grp 35-50	£2,413
Mercedes S-Class(2016)	91%	£1,958	£790	Grp 35-50	£3,003+£590
Porsche Cayenne Turbo S E-Hybrid Auto(2020)	95%	£1,958	£200	Grp 35-50	£2,413same

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 2018 Porsche Panamera

Is the 2018 Porsche Panamera reliable?

Excellent reliability. Very few MOT failures. 95% of MOT tests on 2018 Porsche Panameras ended in a pass, from 2,579 tests (DVSA MOT data for tests in 2024, retests included). That's 13 points above the average of 82% across all models in the same data.

How much does a 2018 Porsche Panamera 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 2018 Porsche Panamera?

95% of 2,579 MOT tests on the 2018 Porsche Panamera ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 92nd of 607 models first registered in 2018 (top 16%).

Which year Porsche Panamera has the best MOT pass rate?

Of the years with at least 100 tests, the 2017 Porsche Panamera has the highest MOT pass rate at 95% and the 2011 the lowest at 87%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2018 Porsche Panamera?

The average mileage recorded at MOT tests on the 2018 Porsche Panamera is 47,305 miles, which is in line with the expected 44,400 miles for a 6-year-old car, suggesting normal everyday use.