Is the 2021 JEEP WRANGLER reliable?

Excellent reliability. Very few MOT failures. 92% of JEEP WRANGLERs from 2021 passed their MOT first time in 2026, based on 1,014 tests. That's 10 points above the national average of 82%.

How much does a 2021 JEEP WRANGLER cost to run?

Estimated annual running cost is £2,042 (£170/month), including £1592 fuel, £195 road tax, £55 MOT, and £200 predicted repairs.

What is the MOT pass rate for a 2021 JEEP WRANGLER?

The 2021 JEEP WRANGLER has a 92% MOT pass rate based on 1,014 tests in 2026. This ranks 1907 out of 3373 cars from 2021.

Which year JEEP WRANGLER is most reliable?

The 2020 JEEP WRANGLER has the highest MOT pass rate at 97%. The least reliable year is 1999 at 70%.

JEEP WRANGLER (2021)

Q: What is the average mileage for a 2021 JEEP WRANGLER?

The average mileage for a 2021 JEEP WRANGLER is 25,159 miles, which is below the expected 37,000 miles for a 5-year-old car. This suggests lighter use than average, which generally means less wear on major components.

Running costs, reliability data, and common problems from 1,014 real MOT tests.

Annual Cost

£2,042

£170/month

MOT Pass Rate

92%

Excellent

Road Tax

£195

Flat rate/year

Insurance

Grp 35-50

3600cc Petrol

Great Choice

92% pass rate, £2042/year to run. 10 points above average.

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Petrol3600cc5 years old1,014 tests25k miles avg

Annual Running Costs

Fuel (Petrol, 3600cc)

~30 mpg

£1,592

Road Tax

Flat rate (post-2017)

£195

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£2,042

Per month£170/mo

Per week£39/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 JEEP brand average of 78%.

At 5 years old, 92% of JEEP WRANGLERs from 2021 passed their MOT first time in 2026. That's based on 1,014 tests across the UK. The average mileage at this age is 25,159 miles.

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How Does It Compare?

Rank among 2021 cars1907th of 3,373(top 57%)

Rank among JEEP models27th of 336(top 8%)

vs national average+10%(82% avg)

vs 2021 cars average+0%(92% avg)

vs JEEP average+14%(78% avg)

Mileage Analysis

25,159

Average miles

37,000

Expected for age

The average 2021 JEEP WRANGLER has 25,159 miles on the clock, which is below the expected 37,000 miles for a 5-year-old car. This suggests lighter use than average, which generally means less wear on major components.

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Best Year to Buy?

The most reliable year is the 2020 model with a 97% MOT pass rate, while the 1999 model has the lowest at 70%. The 2021 sits between the two at 92%.

JEEP WRANGLER by Year

Year	Pass Rate	Tests	Avg Mileage
2022	76%	55	22,432 mi
2021	92%	1,014	25,159 mi
2020	97%	1,100	27,112 mi
2019	93%	1,635	34,799 mi
2018	90%	832	40,647 mi
2017	87%	765	44,380 mi
2016	87%	798	52,444 mi
2015	84%	1,362	58,367 mi
2014	83%	1,050	66,190 mi
2013	81%	542	71,203 mi
2012	88%	90	88,026 mi
2011	93%	75	66,724 mi
2010	79%	132	78,289 mi
2009	76%	71	82,717 mi
2008	72%	116	96,992 mi
2007	79%	134	86,919 mi
2006	86%	167	73,411 mi
2005	89%	110	69,925 mi
2004	84%	131	78,614 mi
2003	80%	153	82,362 mi
2002	88%	86	80,793 mi
2001	77%	77	97,349 mi
2000	90%	67	78,650 mi
1999	70%	70	83,218 mi
1998	78%	130	102,624 mi
1997	84%	83	81,379 mi

Similar Cars to Consider

MERCEDES C

2019 · 3982cc Petrol

£2,037/year

91%

-1%

PORSCHE CAYENNE

2019 · 3996cc Petrol

£2,037/year

95%

+3%

PORSCHE 911

2019 · 3996cc Petrol

£2,037/year

97%

+5%

AUDI A6

2020 · 3996cc Petrol

£2,037/year

94%

+2%

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About the 2021 JEEP WRANGLER

The 2021 JEEP WRANGLER is a performance with a 3600cc petrol engine. 1,014 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. Among all cars from 2021, the average MOT pass rate is 92%, and this model falls short of that benchmark.

With an average of 25,159 miles at 5 years old, JEEP WRANGLER owners tend to use this car less than the typical driver.

2021 JEEP WRANGLER Fuel Costs

The 3600cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).

What does it cost to own a 2021 JEEP WRANGLER?

Total estimated annual running cost is £2,042 (£170/month), broken down as £1592 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.

JEEP WRANGLER Reliability Trend

Newer JEEP WRANGLERs show better MOT pass rates than older ones, with an average improvement of 6 percentage points.

Buying a Used 2021 JEEP WRANGLER

At 5 years old, the JEEP WRANGLER offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2020 model has the highest pass rate at 97%.

Common Issues to Watch For

Based on the 2021 JEEP WRANGLER's fuel type, age, and engine size, these are the most likely problem areas to check.

Oil Consumption

Low risk

Larger petrol engines can develop higher oil consumption as they age. Check the oil level and look for blue smoke from the exhaust.

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 2021 JEEP WRANGLER stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
JEEP WRANGLER(2021)	92%	£1592	£195	Grp 35-50	£2042
MERCEDES C(2019)	91%	£1592	£190	Grp 35-50	£2037-£5
PORSCHE CAYENNE(2019)	95%	£1592	£190	Grp 35-50	£2037-£5
PORSCHE 911(2019)	97%	£1592	£190	Grp 35-50	£2037-£5
AUDI A6(2020)	94%	£1592	£190	Grp 35-50	£2037-£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.