Porsche GT 3 (2007)

Estimated running costs and MOT pass rates from 70 MOT tests in 2024.

Annual Cost

£3,003

£250/month

MOT Pass Rate

100%

Excellent

Road Tax

£790

Estimated/year

Est. Insurance

Grp 35-50

3600cc Petrol

Great Choice

100% pass rate, £3,003/year to run. 18 points above average.

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Petrol3600cc19 years old70 tests54k miles avg

Annual Running Costs

Fuel (Petrol, 3600cc)

~30 mpg

£1,958

Road Tax

Estimated CO2 band

£790

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£3,003

Per month£250/mo

Per week£58/wk

Estimates based on 7,400 miles/year (UK average), petrol at 174.57p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included.

Reliability Verdict

100% MOT pass rate(Excellent)

0%All-model avg: 82%100%

Excellent reliability. Very few MOT failures. That's 18 points above the average of 82% across all models in our data. It also outperforms the Porsche brand average of 92%.

100% of MOT tests on Porsche GT 3s from 2007 ended in a pass in 2024, when they were about 17 years old. That's based on 70 tests across the UK, retests included. The average mileage recorded at those tests was 54,408 miles.

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How Does It Compare?

Rank among 2007 models3rd of 574(top 1%)

Rank among Porsche models8th of 272(top 3%)

vs average of all models+18%(82% avg)

vs 2007 models average+27%(73% avg)

vs Porsche average+8%(92% avg)

Mileage Analysis

54,408

Average miles

125,800

Expected for age

The average 2007 Porsche GT 3 had 54,408 miles on the clock at its 2024 MOT, which is significantly below the expected 125,800 miles for a 17-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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Similar Cars to Consider

Land Rover Freelander

2007 · 3192cc Petrol

£3,303/year

75%

-25%

Porsche Boxster

2005 · 3197cc Petrol

£3,153/year

86%

-14%

Mercedes CLC

2009 · 3199cc Petrol

£3,303/year

73%

-27%

Porsche 911

2006 · 3824cc Petrol

£3,003/year

90%

-10%

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About the 2007 Porsche GT 3

The 2007 Porsche GT 3 is a luxury car. Our records list a 3600cc petrol engine, though engines vary between versions. 70 MOT tests were recorded on this model in 2024, making it a rare model on UK roads. It ranks in the top 1% of all 2007 models for MOT pass rate.

With an average of 54,408 miles recorded at its 2024 MOT tests, Porsche GT 3 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.

2007 Porsche GT 3 Fuel Costs

The 3600cc 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 £1,958 per year with petrol at 174.57p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year).

What does it cost to own a 2007 Porsche GT 3?

Total estimated annual running cost is £3,003 (£250/month), broken down as £1,958 fuel, £790 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 2007 Porsche GT 3

At 19 years old, the Porsche GT 3 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 70 tests in our data, these figures should be treated as indicative rather than definitive.

Common Issues to Watch For

These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.

Timing Chain / Belt

Watch out

At 19 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 2007 Porsche GT 3 stacks up against similar cars for estimated annual running costs, insurance group, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Est. Ins. Group	Total/yr
Porsche GT 3(2007)	100%	£1,958	£790	Grp 35-50	£3,003
Land Rover Freelander(2007)	75%	£1,958	£790	Grp 35-50	£3,303+£300
Porsche Boxster(2005)	86%	£1,958	£790	Grp 35-50	£3,153+£150
Mercedes CLC(2009)	73%	£1,958	£790	Grp 35-50	£3,303+£300
Porsche 911(2006)	90%	£1,958	£790	Grp 35-50	£3,003same

Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.

Questions about the 2007 Porsche GT 3

Is the 2007 Porsche GT 3 reliable?

Excellent reliability. Very few MOT failures. 100% of MOT tests on 2007 Porsche GT 3s ended in a pass, from 70 tests (DVSA MOT data for tests in 2024, retests included). That's 18 points above the average of 82% across all models in the same data.

How much does a 2007 Porsche GT 3 cost to run?

Our estimate is £3,003 a year (£250 a month): £1,958 fuel, £790 road tax, £55 MOT and £200 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 2007 Porsche GT 3?

100% of 70 MOT tests on the 2007 Porsche GT 3 ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 3rd of 574 models first registered in 2007 (top 1%).

What is the average mileage for a 2007 Porsche GT 3?

The average mileage recorded at MOT tests on the 2007 Porsche GT 3 is 54,408 miles, which is significantly below the expected 125,800 miles for a 17-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.