How much does a 2003 PORSCHE BOXSTER S TIPTRONIC S cost to run?

Estimated annual running cost is £2,757 (£230/month), including £1592 fuel, £760 road tax, £55 MOT, and £350 predicted repairs.

What is the MOT pass rate for a 2003 PORSCHE BOXSTER S TIPTRONIC S?

The 2003 PORSCHE BOXSTER S TIPTRONIC S has a 84% MOT pass rate based on 45 tests in 2026. This ranks 66 out of 445 cars from 2003.

PORSCHE BOXSTER S TIPTRONIC S (2003)

Q: Is the 2003 PORSCHE BOXSTER S TIPTRONIC S reliable?

Good reliability. Occasional issues but generally solid. 84% of PORSCHE BOXSTER S TIPTRONIC Ss from 2003 passed their MOT first time in 2026, based on 45 tests. That's 2 points above the national average of 82%.

Q: What is the average mileage for a 2003 PORSCHE BOXSTER S TIPTRONIC S?

The average mileage for a 2003 PORSCHE BOXSTER S TIPTRONIC S is 88,915 miles, which is below the expected 170,200 miles for a 23-year-old car. This suggests lighter use than average, which generally means less wear on major components.

Running costs, reliability data, and common problems from 45 real MOT tests.

Annual Cost

£2,757

£230/month

MOT Pass Rate

84%

Good

Road Tax

£760

Based on CC/year

Insurance

Grp 35-50

3200cc Petrol

Solid Option

84% pass rate, £2757/year to run. Close to the national average.

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Petrol3200cc23 years old45 tests89k miles avg

Annual Running Costs

Fuel (Petrol, 3200cc)

~30 mpg

£1,592

Road Tax

Based on 3200cc

£760

MOT Test

£55

Predicted Repairs

£350

Total per year£2,757

Per month£230/mo

Per week£53/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

84% MOT pass rate(Good)

0%National avg: 82%100%

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%. It falls below the PORSCHE brand average of 92%.

At 23 years old, 84% of PORSCHE BOXSTER S TIPTRONIC Ss from 2003 passed their MOT first time in 2026. That's based on 45 tests across the UK. The average mileage at this age is 88,915 miles.

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How Does It Compare?

Rank among 2003 cars66th of 445(top 15%)

Rank among PORSCHE models248th of 276(top 90%)

vs national average+2%(82% avg)

vs 2003 cars average+12%(72% avg)

vs PORSCHE average-8%(92% avg)

Mileage Analysis

88,915

Average miles

170,200

Expected for age

The average 2003 PORSCHE BOXSTER S TIPTRONIC S has 88,915 miles on the clock, which is below the expected 170,200 miles for a 23-year-old car. This suggests lighter use than average, which generally means less wear on major components.

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Similar Cars to Consider

BMW 3 SERIES

2001 · 3000cc Petrol

£2,397/year

77%

-7%

MERCEDES E

2004 · 3199cc Petrol

£2,397/year

78%

-6%

PORSCHE BOXSTER

2005 · 3197cc Petrol

£2,247/year

86%

+2%

VOLVO XC90

2005 · 2922cc Petrol

£2,397/year

73%

-11%

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About the 2003 PORSCHE BOXSTER S TIPTRONIC S

The 2003 PORSCHE BOXSTER S TIPTRONIC S is a luxury with a 3200cc petrol engine. 45 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It ranks in the top 15% of all 2003 cars for reliability.

With an average of 88,915 miles at 23 years old, PORSCHE BOXSTER S TIPTRONIC S owners tend to use this car less than the typical driver.

2003 PORSCHE BOXSTER S TIPTRONIC S Fuel Costs

The 3200cc petrol engine is on the larger side, so fuel won't be this car's strong point. 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 2003 PORSCHE BOXSTER S TIPTRONIC S?

Total estimated annual running cost is £2,757 (£230/month), broken down as £1592 fuel, £760 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 84% pass rate. Keeping on top of servicing will help avoid surprises.

Buying a Used 2003 PORSCHE BOXSTER S TIPTRONIC S

At 23 years old, the PORSCHE BOXSTER S TIPTRONIC S 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 45 tests in our data, these figures should be treated as indicative rather than definitive.

Common Issues to Watch For

Based on the 2003 PORSCHE BOXSTER S TIPTRONIC S's fuel type, age, and engine size, these are the most likely problem areas to check.

Timing Chain / Belt

Watch out

At 23 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.

Clutch Wear

Medium risk

With an average of 89k 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 risk

High-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.

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 2003 PORSCHE BOXSTER S TIPTRONIC S stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
PORSCHE BOXSTER S TIPTRONIC S(2003)	84%	£1592	£760	Grp 35-50	£2757
BMW 3 SERIES(2001)	77%	£1592	£250	Grp 30-42	£2397-£360
MERCEDES E(2004)	78%	£1592	£250	Grp 35-50	£2397-£360
PORSCHE BOXSTER(2005)	86%	£1592	£250	Grp 35-50	£2247-£510
VOLVO XC90(2005)	73%	£1592	£250	Grp 30-42	£2397-£360

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.