LAND ROVER DISCOVERY SE SDV6 AUTO (2020)
Running costs, reliability data, and common problems from 78 real MOT tests.
Annual Cost
£1,695
£141/month
MOT Pass Rate
97%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 30-42
2993cc Diesel
Great Choice
97% pass rate, £1695/year to run. 15 points above average.
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Annual Running Costs
~40 mpg
Flat rate (post-2017)
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 15 points above the national average of 82%. It also outperforms the LAND ROVER brand average of 90%.
At 6 years old, 97% of LAND ROVER DISCOVERY SE SDV6 AUTOs from 2020 passed their MOT first time in 2026. That's based on 78 tests across the UK. The average mileage at this age is 31,736 miles.
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How Does It Compare?
Mileage Analysis
31,736
Average miles
44,400
Expected for age
The average 2020 LAND ROVER DISCOVERY SE SDV6 AUTO has 31,736 miles on the clock, which is below the expected 44,400 miles for a 6-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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LAND ROVER DISCOVERY SE SDV6 AUTO by Year
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About the 2020 LAND ROVER DISCOVERY SE SDV6 AUTO
The 2020 LAND ROVER DISCOVERY SE SDV6 AUTO is a large car with a 2993cc diesel engine. 78 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It ranks in the top 10% of all 2020 cars for reliability.
With an average of 31,736 miles at 6 years old, LAND ROVER DISCOVERY SE SDV6 AUTO owners tend to use this car less than the typical driver.
2020 LAND ROVER DISCOVERY SE SDV6 AUTO 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 2020 LAND ROVER DISCOVERY SE SDV6 AUTO?
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 97% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2020 LAND ROVER DISCOVERY SE SDV6 AUTO
At 6 years old, the LAND ROVER DISCOVERY SE SDV6 AUTO offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. Note: with only 78 tests in our data, these figures should be treated as indicative rather than definitive.
Common Issues to Watch For
Based on the 2020 LAND ROVER DISCOVERY SE SDV6 AUTO'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
Medium riskDiesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.
AdBlue System
Medium riskPost-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.
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
Medium riskLarger diesel engines put extra strain on the dual mass flywheel. Listen for rattling at idle. Replacement with clutch is £800-£1,500.
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 2020 LAND ROVER DISCOVERY SE SDV6 AUTO stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| LAND ROVER DISCOVERY SE SDV6 AUTO(2020) | 97% | £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 |
| FORD RANGER(2019) | 87% | £1245 | £190 | Grp 35-50 | £1840+£145 |
| LAND ROVER RANGE ROVER VELAR(2018) | 91% | £1245 | £190 | Grp 30-42 | £1690-£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.
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