Should I check the MOT history before buying a 2018 Jeep Grand Cherokee?

Yes. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. A full MOT history analysis will highlight patterns that a single test result won't reveal.

What corrosion should I look for when inspecting a 2018 Jeep Grand Cherokee?

Check brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that is expensive to fix and can fail an MOT.

How are tyres and brakes typically on a 2018 Jeep Grand Cherokee?

Tyres and brakes are the most common advisory items on vehicles of this age. Budget for replacement if they are near the limit, and factor this into your offer price.

Is the 2018 Jeep Grand Cherokee reliable?

Based on MOT data from 429 vehicles, the 2018 Jeep Grand Cherokee has a first-time MOT pass rate of 90.1%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

Do I need an HPI check when buying a 2018 Jeep Grand Cherokee?

Yes. The MOT history will not show outstanding finance, insurance write-offs, or stolen status. An HPI check covers these areas and should be part of any used car purchase.

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Jeep Grand Cherokee (2018)

429 real MOT outcomes analysed • 90.1% first-time pass rate

2018 Jeep Grand Cherokee

CarHunch analysed 429 real MOT records for the 2018 Jeep Grand Cherokee. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution Still on the Road MOT Averages Colour Breakdown Compare Models

Moderate sample. 429 vehicles on record. Figures are indicative — the specific vehicle's history matters more than these averages.

The 2018 Jeep Grand Cherokee is more reliable than average, with an 89.9% first-time pass rate well above the UK's 80% benchmark—and notably, only 14.4% of vehicles have ever recorded a dangerous defect, which is below concerning levels. The diesel variant (which makes up virtually all of this cohort) maintains a solid 89.4% pass rate, showing consistent performance across the fuel type.

At 42,972 miles on average, these Grand Cherokees are running well within normal wear for their age, yet still accumulating 0.65 failures per test, suggesting wear items are beginning to need attention. Budget for regular advisory work—the 4.2 advisories per vehicle average points to typical maintenance costs around suspension, emissions, and lighting—but treat any future MOT as an opportunity to address issues before they become failures.

The 2018 Jeep Grand Cherokee passes its MOT first time more often than most UK vehicles (90.1% vs ~80% average) — and when it does fail, it's usually something minor and cheap to fix.

⚠️ Around 1 in 8 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.

First-time pass

90.1%

UK average ~80%

Better than average

Dangerous (ever)

14.5%

At least once in MOT history

Check this vehicle

Avg failures / car

0.65

Over 5.5 tests on record

Moderate

Typical mileage

42k

Middle half: 33k–53k

For context

✅ Good baseline reliability. A 90.1% first-time pass rate puts this well above the UK average — it's a well-sorted vehicle in this age bracket.

🔧 Expect consumable spend. An average of 4.2 advisories per vehicle tells you wear items (tyres, brakes) get flagged regularly. Budget for them — they're not surprises.

🔍 The dangerous defect figure is real. Most are one-off tyre failures or brake issues — not structural problems. But it's exactly why checking the individual vehicle's history is essential, not optional.

These stats describe 429 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

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See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 429 Jeep Grand Cherokee cars.

Before you buy a 2018 Jeep Grand Cherokee

Based on MOT data from 429 vehicles — here's what to check.

📋 Check the full MOT history. 14.5% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection →
📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History Get 20% off via CarHunch

Pass Rate by Fuel Type

Fuel type	Vehicles	Pass rate	Avg failures
Diesel (93%)	401	89.7%	0.69

Colour Breakdown

Based on 7,840 Jeep Grand Cherokee vehicles registered in the UK — across all years. From DVLA registration records.

Black 27%

2,117

Grey 24.5%

1,922

White 21.1%

1,656

Red 14.8%

1,161

Blue 5%

394

Silver 3.3%

260

Green 2.1%

165

Beige 0.7%

Brown 0.5%

Purple 0.5%

Maroon 0.3%

Gold 0.2%

Mileage Distribution

Most 2018 Jeep Grand Cherokee vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

41,882

typical

32,959

low mileage

53,161

high mileage

Half of all 2018 Jeep Grand Cherokee vehicles fall between 32,959 and 53,161 miles.

Is the mileage you're seeing normal?

✓ Under 32,959 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.

✓ 32,959–53,161 miles — normal for age. This is where most 2018 Jeep Grand Cherokees sit.

⚠ Over 71,767 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2018 Jeep Grand Cherokee — Still on the Road

Almost all 2018 Jeep Grand Cherokees are still on the road.

Strong survival — 386 vehicles still getting MOTs in 2025, 97% of the peak.

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2021–2025.

MOT History Averages

5.5

Avg MOT tests per vehicle

0.65

Avg failures per vehicle

4.2

Avg advisories per vehicle

Other model years — Jeep Grand Cherokee: All Grand Cherokee years → Which year to buy? →

1999 2000 2001 2013 2014 2015 2016 2017 2019

Or browse all models: Jeep →

Compare with another model

See how the 2018 Jeep Grand Cherokee stacks up against a rival.

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