JAGUAR XJR (1991)
Running costs, reliability data, and common problems from 64 real MOT tests.
Annual Cost
£2,607
£217/month
MOT Pass Rate
100%
Excellent
Road Tax
£760
Based on CC/year
Insurance
Grp 35-50
5993cc Petrol
Great Choice
100% pass rate, £2607/year to run. 18 points above average.
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Annual Running Costs
~30 mpg
Based on 5993cc
Low estimate due to excellent reliability
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
Excellent reliability. Very few MOT failures. That's 18 points above the national average of 82%. It also outperforms the JAGUAR brand average of 88%.
At 35 years old, 100% of JAGUAR XJRs from 1991 passed their MOT first time in 2026. That's based on 64 tests across the UK. The average mileage at this age is 20,438 miles.
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How Does It Compare?
Mileage Analysis
20,438
Average miles
259,000
Expected for age
The average 1991 JAGUAR XJR has 20,438 miles on the clock, which is significantly below the expected 259,000 miles for a 35-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.
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JAGUAR XJR by Year
| Year | Pass Rate | Tests | Avg Mileage | |
|---|---|---|---|---|
| 2018 | 93% | 191 | 47,058 mi | |
| 2017 | 95% | 133 | 58,591 mi | |
| 2016 | 92% | 165 | 49,299 mi | |
| 2015 | 83% | 75 | 53,356 mi | |
| 2014 | 91% | 183 | 62,913 mi | |
| 2013 | 93% | 30 | 74,665 mi | |
| 2008 | 89% | 157 | 87,799 mi | |
| 2007 | 84% | 348 | 94,403 mi | |
| 2006 | 77% | 294 | 99,136 mi | |
| 2005 | 82% | 167 | 101,910 mi | |
| 2004 | 77% | 370 | 108,410 mi | |
| 2003 | 84% | 541 | 112,539 mi | |
| 2002 | 79% | 99 | 108,492 mi | |
| 2001 | 82% | 328 | 113,959 mi | |
| 2000 | 81% | 172 | 100,269 mi | |
| 1999 | 80% | 298 | 106,393 mi | |
| 1998 | 79% | 790 | 107,156 mi | |
| 1997 | 87% | 189 | 106,536 mi | |
| 1996 | 84% | 187 | 112,362 mi | |
| 1995 | 74% | 325 | 107,723 mi | |
| 1994 | 85% | 80 | 121,359 mi | |
| 1993 | 76% | 33 | 83,103 mi | |
| 1992 | 83% | 47 | 96,642 mi | |
| 1991 | 100% | 64 | 20,438 mi | |
| 1990 | 89% | 106 | 132,962 mi |
Similar Cars to Consider
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About the 1991 JAGUAR XJR
The 1991 JAGUAR XJR is a premium performance with a 5993cc petrol engine. 64 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It ranks in the top 1% of all 1991 cars for reliability.
With an average of 20,438 miles at 35 years old, JAGUAR XJR owners tend to use this car less than the typical driver. Very low mileage could mean the car has been garaged or used only for short trips, which can cause its own issues like battery drain and moisture buildup.
1991 JAGUAR XJR Fuel Costs
The 5993cc 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 1991 JAGUAR XJR?
Total estimated annual running cost is £2,607 (£217/month), broken down as £1592 fuel, £760 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 100% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
JAGUAR XJR Reliability Trend
The JAGUAR XJR has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
Buying a Used 1991 JAGUAR XJR
At 35 years old, the JAGUAR XJR is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. Note: with only 64 tests in our data, these figures should be treated as indicative rather than definitive.
Common Issues to Watch For
Based on the 1991 JAGUAR XJR's fuel type, age, and engine size, these are the most likely problem areas to check.
Timing Chain / Belt
Watch outAt 35 years old, check whether the timing belt has been replaced (typically due every 5-7 years or 60,000-100,000 miles). A snapped belt can destroy the engine.
Oil Consumption
Medium riskLarger petrol engines can develop higher oil consumption as they age. Check the oil level and look for blue smoke from the exhaust.
Rust and Corrosion
Watch outAt 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.
Suspension Bushings
Watch outRubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.
Service History
Low riskAlways 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 1991 JAGUAR XJR stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| JAGUAR XJR(1991) | 100% | £1592 | £760 | Grp 35-50 | £2607 |
| JAGUAR XJ(1993) | 82% | £1592 | £250 | Grp 35-50 | £2247-£360 |
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.
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