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CATERHAM SEVEN (S3) (2006)

Running costs, reliability data, and common problems from 72 real MOT tests.

Annual Cost

£2,277

£190/month

MOT Pass Rate

90%

Excellent

Road Tax

£430

Based on CC/year

Insurance

Grp 25-38

2261cc Petrol

Great Choice

90% pass rate, £2277/year to run. 8 points above average.

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Petrol2261cc20 years old72 tests23k miles avg

Annual Running Costs

Fuel (Petrol, 2261cc)

~30 mpg

£1,592
Road Tax

Based on 2261cc

£430
MOT Test
£55
Predicted Repairs

Low estimate due to excellent reliability

£200
Total per year£2,277
Per month£190/mo
Per week£44/wk

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

90% MOT pass rate(Excellent)
0%National avg: 82%100%

Excellent reliability. Very few MOT failures. That's 8 points above the national average of 82%.

At 20 years old, 90% of CATERHAM SEVEN (S3)s from 2006 passed their MOT first time in 2026. That's based on 72 tests across the UK. The average mileage at this age is 22,879 miles.

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How Does It Compare?

Rank among 2006 cars45th of 575(top 8%)
Rank among CATERHAM models40th of 64(top 62%)
vs national average+8%(82% avg)
vs 2006 cars average+17%(73% avg)
vs CATERHAM average-1%(91% avg)

Mileage Analysis

22,879

Average miles

vs

148,000

Expected for age

The average 2006 CATERHAM SEVEN (S3) has 22,879 miles on the clock, which is significantly below the expected 148,000 miles for a 20-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 2010 model with a 98% MOT pass rate, while the 1993 model has the lowest at 81%. The 2006 sits between the two at 90%.

CATERHAM SEVEN (S3) by Year

YearPass RateTestsAvg Mileage
201293%4016,004 mi
201193%3014,241 mi
201098%8516,427 mi
200995%6216,632 mi
200896%7817,886 mi
200791%6821,458 mi
200690%7222,879 mi
200594%10825,049 mi
200488%11724,266 mi
200394%10629,269 mi
200293%11730,776 mi
200188%7423,704 mi
200090%11030,131 mi
199994%21328,243 mi
199897%18122,980 mi
199786%20627,923 mi
199691%13632,005 mi
199587%6838,407 mi
199494%11336,410 mi
199381%8028,863 mi
199287%6831,446 mi
199188%5130,774 mi
199087%3139,253 mi

Similar Cars to Consider

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About the 2006 CATERHAM SEVEN (S3)

The 2006 CATERHAM SEVEN (S3) is a large car with a 2261cc petrol engine. 72 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It ranks in the top 8% of all 2006 cars for reliability.

With an average of 22,879 miles at 20 years old, CATERHAM SEVEN (S3) 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.

2006 CATERHAM SEVEN (S3) Fuel Costs

The 2261cc petrol engine offers a reasonable balance between performance and economy. 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 2006 CATERHAM SEVEN (S3)?

Total estimated annual running cost is £2,277 190/month), broken down as £1592 fuel, £430 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 90% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

CATERHAM SEVEN (S3) Reliability Trend

Newer CATERHAM SEVEN (S3)s show better MOT pass rates than older ones, with an average improvement of 3 percentage points.

Buying a Used 2006 CATERHAM SEVEN (S3)

At 20 years old, the CATERHAM SEVEN (S3) 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. If you're flexible on year, the 2010 model has the highest pass rate at 98%. Note: with only 72 tests in our data, these figures should be treated as indicative rather than definitive.

Common Issues to Watch For

Based on the 2006 CATERHAM SEVEN (S3)'s fuel type, age, and engine size, these are the most likely problem areas to check.

Timing Chain / Belt

Watch out

At 20 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 risk

Larger 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 out

At 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 out

Rubber 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 risk

Always 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 2006 CATERHAM SEVEN (S3) stacks up against similar cars for annual running costs, insurance, and tax.

CarPass RateFuel/yrTax/yrInsuranceTotal/yr
CATERHAM SEVEN (S3)(2006)90%£1592£430Grp 25-38£2277
BMW 3 SERIES(2007)80%£1327£135Grp 18-32£1867-£410
RENAULT CLIO(2007)68%£1327£135Grp 18-32£2217-£60
AUDI A3(2008)76%£1327£135Grp 18-32£2017-£260
TOYOTA YARIS(2007)75%£1327£135Grp 18-32£2017-£260

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.

Related Caterham Models

Explore other Caterham cars or similar models in the same category.

Related Guides

In-depth articles relevant to the Caterham Seven (s3).

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