ISUZU TROOPER CITATION DT LWB (1999)
Running costs, reliability data, and common problems from 41 real MOT tests.
Annual Cost
£2,395
£200/month
MOT Pass Rate
61%
Below Avg
Road Tax
£395
Based on CC/year
Insurance
Grp 30-42
2999cc Diesel
Proceed With Caution
61% pass rate, £2395/year to run. 21 points below average.
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Annual Running Costs
~40 mpg
Based on 2999cc
Higher estimate due to low pass rate
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
Below average reliability. Budget extra for maintenance and repairs. That's 21 points below the national average of 82%. It falls below the ISUZU brand average of 78%.
At 27 years old, 61% of ISUZU TROOPER CITATION DT LWBs from 1999 passed their MOT first time in 2026. That's based on 41 tests across the UK. The average mileage at this age is 139,535 miles.
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How Does It Compare?
Mileage Analysis
139,535
Average miles
199,800
Expected for age
The average 1999 ISUZU TROOPER CITATION DT LWB has 139,535 miles on the clock, which is below the expected 199,800 miles for a 27-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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About the 1999 ISUZU TROOPER CITATION DT LWB
The 1999 ISUZU TROOPER CITATION DT LWB is a large car with a 2999cc diesel engine. 41 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It sits in the bottom 96% of 1999 cars for MOT pass rates.
With an average of 139,535 miles at 27 years old, ISUZU TROOPER CITATION DT LWB owners tend to use this car less than the typical driver.
1999 ISUZU TROOPER CITATION DT LWB Fuel Costs
The 2999cc 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 1999 ISUZU TROOPER CITATION DT LWB?
Total estimated annual running cost is £2,395 (£200/month), broken down as £1245 fuel, £395 road tax, £55 MOT, and £700 predicted repairs. The higher repair estimate reflects the 61% MOT pass rate. Cars in this bracket tend to need work on suspension, brakes, and emissions components.
Buying a Used 1999 ISUZU TROOPER CITATION DT LWB
At 27 years old, the ISUZU TROOPER CITATION DT LWB 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 41 tests in our data, these figures should be treated as indicative rather than definitive.
Common Issues to Watch For
Based on the 1999 ISUZU TROOPER CITATION DT LWB's fuel type, age, and engine size, these are the most likely problem areas to check.
DPF (Diesel Particulate Filter)
Watch outShort journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.
Turbo Wear
Watch outDiesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.
EGR Valve
Watch outExhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.
Dual Mass Flywheel
Watch outLarger diesel engines put extra strain on the dual mass flywheel. Listen for rattling at idle. Replacement with clutch is £800-£1,500.
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.
Clutch Wear
Watch outWith an average of 140k miles, clutch replacement may be due (typical lifespan 60,000-100,000 miles). Budget £400-£800 for a new clutch kit.
Brake Discs and Pads
Medium riskHigh-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.
Engine Mounts
Medium riskWorn engine mounts cause excessive vibration and movement. Replacement costs £150-£400 per mount. Check for vibration at idle with the bonnet open.
Higher Than Average Failure Rate
Watch outWith a 61% MOT pass rate, this model fails more often than most. Budget for unexpected repairs and get a thorough pre-purchase inspection.
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 1999 ISUZU TROOPER CITATION DT LWB stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| ISUZU TROOPER CITATION DT LWB(1999) | 61% | £1245 | £395 | Grp 30-42 | £2395 |
| LAND ROVER DEFENDER(1997) | 76% | £1245 | £250 | Grp 25-38 | £2050-£345 |
| LAND ROVER DISCOVERY(1998) | 77% | £1245 | £250 | Grp 25-38 | £2050-£345 |
| FIAT DUCATO(2001) | 73% | £1245 | £250 | Grp 30-42 | £2050-£345 |
| VOLVO V70(1999) | 72% | £1245 | £250 | Grp 25-38 | £2050-£345 |
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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