CATERHAM UNCLASSIFIED (2020)
Running costs, reliability data, and common problems from 181 real MOT tests.
Annual Cost
£1,777
£148/month
MOT Pass Rate
91%
Excellent
Road Tax
£195
Flat rate/year
Insurance
Grp 18-32
1998cc Petrol
Great Choice
91% pass rate, £1777/year to run. 9 points above average.
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Annual Running Costs
~36 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 9 points above the national average of 82%.
At 6 years old, 91% of CATERHAM UNCLASSIFIEDs from 2020 passed their MOT first time in 2026. That's based on 181 tests across the UK. The average mileage at this age is 5,349 miles.
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How Does It Compare?
Mileage Analysis
5,349
Average miles
44,400
Expected for age
The average 2020 CATERHAM UNCLASSIFIED has 5,349 miles on the clock, which is significantly below the expected 44,400 miles for a 6-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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Best Year to Buy?
The most reliable year is the 2015 model with a 97% MOT pass rate, while the 2021 model has the lowest at 86%. The 2020 sits between the two at 91%.
CATERHAM UNCLASSIFIED by Year
| Year | Pass Rate | Tests | Avg Mileage | |
|---|---|---|---|---|
| 2021 | 86% | 203 | 4,806 mi | |
| 2020 | 91% | 181 | 5,349 mi | |
| 2019 | 90% | 327 | 5,345 mi | |
| 2018 | 92% | 355 | 6,207 mi | |
| 2017 | 92% | 321 | 8,044 mi | |
| 2016 | 91% | 247 | 11,388 mi | |
| 2015 | 97% | 65 | 11,540 mi | |
| 2014 | 88% | 40 | 8,392 mi | |
| 2013 | 92% | 222 | 14,969 mi | |
| 2012 | 90% | 88 | 15,657 mi | |
| 2011 | 84% | 38 | 11,795 mi | |
| 2010 | 100% | 30 | 14,394 mi | |
| 2008 | 84% | 32 | 12,150 mi | |
| 2006 | 89% | 38 | 17,088 mi | |
| 1999 | 85% | 48 | 22,308 mi |
Similar Cars to Consider
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About the 2020 CATERHAM UNCLASSIFIED
The 2020 CATERHAM UNCLASSIFIED is a family car with a 1998cc petrol engine. 181 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. Among all cars from 2020, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 5,349 miles at 6 years old, CATERHAM UNCLASSIFIED 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.
2020 CATERHAM UNCLASSIFIED Fuel Costs
The 1998cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2020 CATERHAM UNCLASSIFIED?
Total estimated annual running cost is £1,777 (£148/month), broken down as £1327 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 91% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
CATERHAM UNCLASSIFIED Reliability Trend
The CATERHAM UNCLASSIFIED has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
Buying a Used 2020 CATERHAM UNCLASSIFIED
At 6 years old, the CATERHAM UNCLASSIFIED 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 2015 model has the highest pass rate at 97%.
Common Issues to Watch For
Based on the 2020 CATERHAM UNCLASSIFIED's fuel type, age, and engine size, these are the most likely problem areas to check.
Timing Chain / Belt
Watch outAt 6 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.
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 CATERHAM UNCLASSIFIED stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| CATERHAM UNCLASSIFIED(2020) | 91% | £1327 | £195 | Grp 18-32 | £1777 |
| VOLKSWAGEN GOLF(2019) | 92% | £1137 | £190 | Grp 12-25 | £1582-£195 |
| FORD KUGA(2018) | 90% | £1137 | £190 | Grp 12-25 | £1582-£195 |
| MINI COOPER(2018) | 92% | £1137 | £190 | Grp 12-25 | £1582-£195 |
| NISSAN QASHQAI(2020) | 93% | £1137 | £190 | Grp 12-25 | £1582-£195 |
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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