How much does a 2003 ALFA ROMEO SPIDER cost to run?

Estimated annual running cost is £2,907 (£242/month), including £1592 fuel, £760 road tax, £55 MOT, and £500 predicted repairs.

What is the MOT pass rate for a 2003 ALFA ROMEO SPIDER?

The 2003 ALFA ROMEO SPIDER has a 73% MOT pass rate based on 186 tests in 2026. This ranks 224 out of 445 cars from 2003.

Which year ALFA ROMEO SPIDER is most reliable?

The 2004 ALFA ROMEO SPIDER has the highest MOT pass rate at 87%. The least reliable year is 1997 at 71%.

ALFA ROMEO SPIDER (2003)

Q: Is the 2003 ALFA ROMEO SPIDER reliable?

Average reliability. Expect some repairs as it ages. 73% of ALFA ROMEO SPIDERs from 2003 passed their MOT first time in 2026, based on 186 tests. That's 9 points below the national average of 82%.

Q: What is the average mileage for a 2003 ALFA ROMEO SPIDER?

The average mileage for a 2003 ALFA ROMEO SPIDER is 83,492 miles, which is significantly below the expected 170,200 miles for a 23-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.

Running costs, reliability data, and common problems from 186 real MOT tests.

Annual Cost

£2,907

£242/month

MOT Pass Rate

73%

Average

Road Tax

£760

Based on CC/year

Insurance

Grp 35-50

3170cc Petrol

Check Carefully

73% pass rate, £2907/year to run. 9 points below average.

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Petrol3170cc23 years old186 tests83k miles avg

Annual Running Costs

Fuel (Petrol, 3170cc)

~30 mpg

£1,592

Road Tax

Based on 3170cc

£760

MOT Test

£55

Predicted Repairs

Higher estimate due to low pass rate

£500

Total per year£2,907

Per month£242/mo

Per week£56/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

73% MOT pass rate(Average)

0%National avg: 82%100%

Average reliability. Expect some repairs as it ages. That's 9 points below the national average of 82%. It falls below the ALFA ROMEO brand average of 80%.

At 23 years old, 73% of ALFA ROMEO SPIDERs from 2003 passed their MOT first time in 2026. That's based on 186 tests across the UK. The average mileage at this age is 83,492 miles.

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How Does It Compare?

Rank among 2003 cars224th of 445(top 50%)

Rank among ALFA ROMEO models114th of 158(top 72%)

vs national average-9%(82% avg)

vs 2003 cars average+1%(72% avg)

vs ALFA ROMEO average-7%(80% avg)

Mileage Analysis

83,492

Average miles

170,200

Expected for age

The average 2003 ALFA ROMEO SPIDER has 83,492 miles on the clock, which is significantly below the expected 170,200 miles for a 23-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 2004 model with a 87% MOT pass rate, while the 1997 model has the lowest at 71%. The 2003 sits between the two at 73%.

ALFA ROMEO SPIDER by Year

Year	Pass Rate	Tests	Avg Mileage
2011	98%	44	56,956 mi
2010	86%	201	66,384 mi
2009	83%	230	66,700 mi
2008	82%	1,036	69,381 mi
2007	79%	1,012	76,866 mi
2005	79%	113	59,726 mi
2004	87%	102	74,816 mi
2003	73%	186	83,492 mi
2002	83%	201	86,604 mi
2001	80%	522	82,494 mi
2000	73%	285	87,083 mi
1999	74%	672	87,986 mi
1998	73%	532	85,540 mi
1997	71%	515	89,378 mi
1996	74%	322	77,780 mi
1995	59%	37	71,483 mi
1993	84%	51	57,573 mi
1992	78%	160	78,273 mi
1991	81%	298	74,647 mi
1990	83%	221	64,287 mi

Similar Cars to Consider

BMW 3 SERIES

2001 · 3000cc Petrol

£2,397/year

77%

+4%

MERCEDES E

2004 · 3199cc Petrol

£2,397/year

78%

+5%

PORSCHE BOXSTER

2005 · 3197cc Petrol

£2,247/year

86%

+13%

VOLVO XC90

2005 · 2922cc Petrol

£2,397/year

73%

same

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About the 2003 ALFA ROMEO SPIDER

The 2003 ALFA ROMEO SPIDER is a premium performance with a 3170cc petrol engine. 186 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. Among all cars from 2003, the average MOT pass rate is 72%, and this model beats that benchmark.

With an average of 83,492 miles at 23 years old, ALFA ROMEO SPIDER 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 ALFA ROMEO SPIDER Fuel Costs

The 3170cc 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 ALFA ROMEO SPIDER?

Total estimated annual running cost is £2,907 (£242/month), broken down as £1592 fuel, £760 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 73% pass rate. Keeping on top of servicing will help avoid surprises.

ALFA ROMEO SPIDER Reliability Trend

Newer ALFA ROMEO SPIDERs show better MOT pass rates than older ones, with an average improvement of 5 percentage points.

Buying a Used 2003 ALFA ROMEO SPIDER

At 23 years old, the ALFA ROMEO SPIDER 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 2004 model has the highest pass rate at 87%.

Common Issues to Watch For

Based on the 2003 ALFA ROMEO SPIDER'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 83k 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 ALFA ROMEO SPIDER stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
ALFA ROMEO SPIDER(2003)	73%	£1592	£760	Grp 35-50	£2907
BMW 3 SERIES(2001)	77%	£1592	£250	Grp 30-42	£2397-£510
MERCEDES E(2004)	78%	£1592	£250	Grp 35-50	£2397-£510
PORSCHE BOXSTER(2005)	86%	£1592	£250	Grp 35-50	£2247-£660
VOLVO XC90(2005)	73%	£1592	£250	Grp 30-42	£2397-£510

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.