CarCostCheck

MORGAN PLUS 8 (2004)

Running costs, common problems, and reliability data based on 34 real MOT tests in 2024.

MOT Pass Rate

94%

Total Tests (2024)

34

Avg Mileage

27,166 mi

Est. Annual Cost

£2,097

Is the 2004 MORGAN PLUS 8 reliable?

Excellent reliability. Very few MOT failures. That's 12 points above the national average of 82%.

At 20 years old, 94% of MORGAN PLUS 8s from 2004 passed their MOT first time in 2024. That's based on 34 tests across the UK. The average mileage at this age is 27,166 miles.

How does the 2004 MORGAN PLUS 8 compare?

Rank among all 2004 cars24th out of 491(top 5%)
Rank among all MORGAN models41th out of 104(top 39%)
vs national average+12% (82% avg)
vs 2004 cars average+22% (72% avg)
vs MORGAN average+2% (92% avg)

Mileage Analysis

The average 2004 MORGAN PLUS 8 has 27,166 miles on the clock, which is significantly below the expected 148,000 miles for a 20-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.

Best year to buy a MORGAN PLUS 8?

The most reliable year is the 2001 model with a 95% MOT pass rate, while the 1996 model has the lowest at 82%. The 2004 sits between the two at 94%.

How much does a 2004 MORGAN PLUS 8 cost to run?

Fuel (Petrol, 3946cc)
£1,592
🏛️Road Tax
£250
🔧MOT Test
£55
🛠️Predicted Repairs
£200
Total per year£2,097
Per month£175/mo

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

MORGAN PLUS 8 by Year

YearPass RateTestsAvg Mileage
200494%3427,166 mi
200393%4529,862 mi
200290%5927,471 mi
200195%9429,965 mi
200091%11032,354 mi
199995%9330,173 mi
199892%9732,399 mi
199793%14528,128 mi
199682%10627,380 mi
199597%3140,788 mi
199494%3635,443 mi
199393%4133,823 mi
199285%3336,290 mi
199080%4041,217 mi

Checking a specific MORGAN PLUS 8?

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About the 2004 MORGAN PLUS 8

The 2004 MORGAN PLUS 8 is a performance with a 3946cc petrol engine. 34 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 5% of all 2004 cars for reliability.

With an average of 27,166 miles at 20 years old, MORGAN PLUS 8 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.

2004 MORGAN PLUS 8 Fuel Costs

The 3946cc 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 2004 MORGAN PLUS 8?

Total estimated annual running cost is £2,097 175/month), broken down as £1592 fuel, £250 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

MORGAN PLUS 8 Reliability Trend

Newer MORGAN PLUS 8s show better MOT pass rates than older ones, with an average improvement of 4 percentage points.

Buying a Used 2004 MORGAN PLUS 8

At 20 years old, the MORGAN PLUS 8 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 2001 model has the highest pass rate at 95%. Note: with only 34 tests in our data, these figures should be treated as indicative rather than definitive.

Alternatives to the 2004 MORGAN PLUS 8

The MORGAN PLUS 8 is actually the most reliable option among similar petrol performances from this era. Here are comparable petrol cars with similar engines: