Is the 2018 JAGUAR XF reliable?

Excellent reliability. Very few MOT failures. 92% of JAGUAR XFs from 2018 passed their MOT first time in 2026, based on 11,317 tests. That's 10 points above the national average of 82%.

How much does a 2018 JAGUAR XF cost to run?

Estimated annual running cost is £1,695 (£141/month), including £1245 fuel, £195 road tax, £55 MOT, and £200 predicted repairs.

What is the MOT pass rate for a 2018 JAGUAR XF?

The 2018 JAGUAR XF has a 92% MOT pass rate based on 11,317 tests in 2026. This ranks 223 out of 649 cars from 2018.

Which year JAGUAR XF is most reliable?

The 2018 JAGUAR XF has the highest MOT pass rate at 92%. The least reliable year is 2009 at 77%.

What is the average mileage for a 2018 JAGUAR XF?

The average mileage for a 2018 JAGUAR XF is 51,016 miles, which is in line with the expected 59,200 miles for a 8-year-old car, suggesting normal everyday use.

JAGUAR XF (2018)

Running costs, reliability data, and common problems from 11,317 real MOT tests.

Annual Cost

£1,695

£141/month

MOT Pass Rate

92%

Excellent

Road Tax

£195

Flat rate/year

Insurance

Grp 30-42

2993cc Diesel

Great Choice

92% pass rate, £1695/year to run. 10 points above average.

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Diesel2993cc8 years old11,317 tests51k miles avg

Annual Running Costs

Fuel (Diesel, 2993cc)

~40 mpg

£1,245

Road Tax

Flat rate (post-2017)

£195

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£1,695

Per month£141/mo

Per week£33/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

92% MOT pass rate(Excellent)

0%National avg: 82%100%

Excellent reliability. Very few MOT failures. That's 10 points above the national average of 82%. It also outperforms the JAGUAR brand average of 88%.

At 8 years old, 92% of JAGUAR XFs from 2018 passed their MOT first time in 2026. That's based on 11,317 tests across the UK. The average mileage at this age is 51,016 miles.

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How Does It Compare?

Rank among 2018 cars223th of 649(top 34%)

Rank among JAGUAR models102th of 299(top 34%)

vs national average+10%(82% avg)

vs 2018 cars average+3%(89% avg)

vs JAGUAR average+4%(88% avg)

Mileage Analysis

51,016

Average miles

59,200

Expected for age

The average 2018 JAGUAR XF has 51,016 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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JAGUAR XF by Year

Year	Pass Rate	Tests	Avg Mileage
2021	91%	211	24,533 mi
2020	91%	2,918	33,707 mi
2019	90%	6,743	42,911 mi
2018	92%	11,317	51,016 mi
2017	90%	15,028	61,875 mi
2016	90%	18,221	71,838 mi
2015	86%	20,980	80,637 mi
2014	84%	26,866	88,202 mi
2013	82%	24,451	94,587 mi
2012	82%	22,165	100,661 mi
2011	81%	18,258	103,487 mi
2010	80%	19,704	106,321 mi
2009	77%	14,981	112,455 mi
2008	78%	12,062	112,899 mi
2007	79%	141	115,288 mi

Similar Cars to Consider

MERCEDES E

2019 · 2925cc Diesel

£1,690/year

90%

-2%

MERCEDES GLC

2018 · 2987cc Diesel

£1,690/year

91%

-1%

AUDI A5

2017 · 2967cc Diesel

£1,840/year

89%

-3%

FORD RANGER

2019 · 3198cc Diesel

£1,840/year

87%

-5%

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About the 2018 JAGUAR XF

The 2018 JAGUAR XF is a premium performance with a 2993cc diesel engine. 11,317 of these vehicles were MOT tested in 2026, making it one of the most commonly tested cars on UK roads. Among all cars from 2018, the average MOT pass rate is 89%, and this model beats that benchmark.

With an average of 51,016 miles at 8 years old, JAGUAR XF owners drive about as much as the UK average.

2018 JAGUAR XF Fuel Costs

The 2993cc diesel engine is on the larger side, so fuel won't be this car's strong point. Expect around 40 mpg in mixed driving, which works out to roughly £1,245 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.

What does it cost to own a 2018 JAGUAR XF?

Total estimated annual running cost is £1,695 (£141/month), broken down as £1245 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 92% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

JAGUAR XF Reliability Trend

Newer JAGUAR XFs show better MOT pass rates than older ones, with an average improvement of 9 percentage points.

Buying a Used 2018 JAGUAR XF

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. With 11,317 MOT tests in our data, there's strong statistical confidence in these figures.

Common Issues to Watch For

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

DPF (Diesel Particulate Filter)

Watch out

Short journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.

Turbo Wear

Watch out

Diesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.

AdBlue System

Medium risk

Post-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.

EGR Valve

Watch out

Exhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.

Dual Mass Flywheel

Watch out

Larger diesel engines put extra strain on the dual mass flywheel. Listen for rattling at idle. Replacement with clutch is £800-£1,500.

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 JAGUAR XF stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
JAGUAR XF(2018)	92%	£1245	£195	Grp 30-42	£1695
MERCEDES E(2019)	90%	£1245	£190	Grp 30-42	£1690-£5
MERCEDES GLC(2018)	91%	£1245	£190	Grp 30-42	£1690-£5
AUDI A5(2017)	89%	£1245	£190	Grp 30-42	£1840+£145
FORD RANGER(2019)	87%	£1245	£190	Grp 35-50	£1840+£145

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.