CarCostCheck

MASERATI GRANCABRIO (2018)

Running costs, reliability data, and common problems from 154 real MOT tests.

Annual Cost

£2,042

£170/month

MOT Pass Rate

90%

Excellent

Road Tax

£195

Flat rate/year

Insurance

Grp 35-50

4691cc Petrol

Great Choice

90% pass rate, £2042/year to run. 8 points above average.

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Petrol4691cc8 years old154 tests21k miles avg

Annual Running Costs

Fuel (Petrol, 4691cc)

~30 mpg

£1,592
Road Tax

Flat rate (post-2017)

£195
MOT Test
£55
Predicted Repairs

Low estimate due to excellent reliability

£200
Total per year£2,042
Per month£170/mo
Per week£39/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 8 years old, 90% of MASERATI GRANCABRIOs from 2018 passed their MOT first time in 2026. That's based on 154 tests across the UK. The average mileage at this age is 20,880 miles.

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How Does It Compare?

Rank among 2018 cars368th of 649(top 57%)
Rank among MASERATI models52th of 104(top 50%)
vs national average+8%(82% avg)
vs 2018 cars average+1%(89% avg)
vs MASERATI average+1%(89% avg)

Mileage Analysis

20,880

Average miles

vs

59,200

Expected for age

The average 2018 MASERATI GRANCABRIO has 20,880 miles on the clock, which is significantly below the expected 59,200 miles for a 8-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 2020 model with a 93% MOT pass rate, while the 2016 model has the lowest at 86%. The 2018 sits between the two at 90%.

MASERATI GRANCABRIO by Year

YearPass RateTestsAvg Mileage
202093%6011,006 mi
2019100%4812,334 mi
201890%15420,880 mi
201791%7018,985 mi
201686%25325,585 mi
201588%18734,755 mi
201492%11228,000 mi
201375%4826,580 mi
201186%3539,680 mi
201090%3931,882 mi

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About the 2018 MASERATI GRANCABRIO

The 2018 MASERATI GRANCABRIO is a luxury with a 4691cc petrol engine. 154 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. Among all cars from 2018, the average MOT pass rate is 89%, and this model beats that benchmark.

With an average of 20,880 miles at 8 years old, MASERATI GRANCABRIO 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.

2018 MASERATI GRANCABRIO Fuel Costs

The 4691cc 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 2018 MASERATI GRANCABRIO?

Total estimated annual running cost is £2,042 170/month), broken down as £1592 fuel, £195 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.

MASERATI GRANCABRIO Reliability Trend

The MASERATI GRANCABRIO has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.

Buying a Used 2018 MASERATI GRANCABRIO

At 8 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. If you're flexible on year, the 2020 model has the highest pass rate at 93%.

Common Issues to Watch For

Based on the 2018 MASERATI GRANCABRIO's fuel type, age, and engine size, these are the most likely problem areas to check.

Timing Chain / Belt

Watch out

At 8 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.

Suspension Wear

Medium risk

Shock absorbers, springs, and anti-roll bar links typically need attention around this age. Listen for clunks over bumps and check for uneven tyre wear.

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 2018 MASERATI GRANCABRIO stacks up against similar cars for annual running costs, insurance, and tax.

CarPass RateFuel/yrTax/yrInsuranceTotal/yr
MASERATI GRANCABRIO(2018)90%£1592£195Grp 35-50£2042
LAND ROVER RANGE ROVER(2017)91%£1592£190Grp 35-50£2037-£5
JAGUAR F-TYPE(2017)94%£1592£190Grp 35-50£2037-£5
BMW X6(2017)92%£1592£190Grp 35-50£2037-£5
MERCEDES SL(2016)95%£1592£250Grp 35-50£2097+£55

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 Maserati Models

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

Related Guides

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