CarCostCheck

RENAULT LAGUNA (2003)

Running costs, common problems, and reliability data based on 543 real MOT tests in 2024.

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MOT Pass Rate

66%

Total Tests (2024)

543

Avg Mileage

100,007 mi

Est. Annual Cost

£1,927

Is the 2003 RENAULT LAGUNA reliable?

Below average reliability. Budget extra for maintenance and repairs. That's 16 points below the national average of 82%. It falls below the RENAULT brand average of 80%.

At 21 years old, 66% of RENAULT LAGUNAs from 2003 passed their MOT first time in 2024. That's based on 543 tests across the UK. The average mileage at this age is 100,007 miles.

How does the 2003 RENAULT LAGUNA compare?

Rank among all 2003 cars384th out of 445(top 86%)
Rank among all RENAULT models594th out of 636(top 93%)
vs national average-16% (82% avg)
vs 2003 cars average-6% (72% avg)
vs RENAULT average-14% (80% avg)

Mileage Analysis

The average 2003 RENAULT LAGUNA has 100,007 miles on the clock, which is below the expected 155,400 miles for a 21-year-old car. This suggests lighter use than average, which generally means less wear on major components.

Best year to buy a RENAULT LAGUNA?

The most reliable year is the 1999 model with a 81% MOT pass rate, while the 2003 model has the lowest at 66%. Consider a different year if reliability is a priority.

How much does a 2003 RENAULT LAGUNA cost to run?

⛽Fuel (Diesel, 1870cc)
£1,037
🏛️Road Tax
£135
🔧MOT Test
£55
🛠️Predicted Repairs

Higher than average due to low pass rate

£700
Total per year£1,927
Per month£161/mo

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.

RENAULT LAGUNA by Year

YearPass RateTestsAvg Mileage
201274%512127,283 mi
201174%2,824121,700 mi
201071%3,357126,378 mi
200973%2,332122,795 mi
200872%3,679125,529 mi
200769%1,734121,131 mi
200669%914105,379 mi
200569%678103,544 mi
200467%733101,379 mi
200366%543100,007 mi
200271%331101,960 mi
200179%8988,563 mi
200073%191100,555 mi
199981%328103,095 mi
199867%11495,734 mi
199774%73100,561 mi
199681%52104,369 mi

Checking a specific RENAULT LAGUNA?

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About the 2003 RENAULT LAGUNA

The 2003 RENAULT LAGUNA is a family car with a 1870cc diesel engine. 543 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It sits in the bottom 86% of 2003 cars for MOT pass rates.

With an average of 100,007 miles at 21 years old, RENAULT LAGUNA owners tend to use this car less than the typical driver.

2003 RENAULT LAGUNA Fuel Costs

The 1870cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,037 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.

What does it cost to own a 2003 RENAULT LAGUNA?

Total estimated annual running cost is £1,927 (£161/month), broken down as £1037 fuel, £135 road tax, £55 MOT, and £700 predicted repairs. The higher repair estimate reflects the 66% MOT pass rate. Cars in this bracket tend to need work on suspension, brakes, and emissions components.

RENAULT LAGUNA Reliability Trend

Older RENAULT LAGUNAs tend to have better MOT pass rates than newer ones, with an average decline of 3 percentage points across model years.

Buying a Used 2003 RENAULT LAGUNA

At 21 years old, the RENAULT LAGUNA 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.

Alternatives to the 2003 RENAULT LAGUNA

If reliability is your priority, there are 4 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines: