CATERHAM 7 (2003)
Running costs, common problems, and reliability data based on 30 real MOT tests in 2024.
MOT Pass Rate
100%
Total Tests (2024)
30
Avg Mileage
23,642 mi
Est. Annual Cost
£1,717
Is the 2003 CATERHAM 7 reliable?
Excellent reliability. Very few MOT failures. That's 18 points above the national average of 82%. It also outperforms the CATERHAM brand average of 91%.
At 21 years old, 100% of CATERHAM 7s from 2003 passed their MOT first time in 2024. That's based on 30 tests across the UK. The average mileage at this age is 23,642 miles.
How does the 2003 CATERHAM 7 compare?
Mileage Analysis
The average 2003 CATERHAM 7 has 23,642 miles on the clock, which is significantly below the expected 155,400 miles for a 21-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.
How much does a 2003 CATERHAM 7 cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
CATERHAM 7 by Year
Checking a specific CATERHAM 7?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2003 CATERHAM 7
The 2003 CATERHAM 7 is a family car with a 1760cc petrol engine. 30 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 1% of all 2003 cars for reliability.
With an average of 23,642 miles at 21 years old, CATERHAM 7 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.
2003 CATERHAM 7 Fuel Costs
The 1760cc 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 2003 CATERHAM 7?
Total estimated annual running cost is £1,717 (£143/month), broken down as £1327 fuel, £135 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.
Buying a Used 2003 CATERHAM 7
At 21 years old, the CATERHAM 7 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 30 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2003 CATERHAM 7
The CATERHAM 7 is actually the most reliable option among similar petrol family cars from this era. Here are comparable petrol cars with similar engines:
- MINI MINI (2005) 71% pass rate (-29%) from 45,707 tests
- FORD FOCUS (2005) 71% pass rate (-29%) from 41,794 tests
- FORD FIESTA (2003) 71% pass rate (-29%) from 29,898 tests
- TOYOTA YARIS (2005) 73% pass rate (-27%) from 29,754 tests