Morgan Plus 4

Reliability, estimated running costs, and MOT data across 25 model years from 2,221 MOT tests in 2024.

Avg Pass Rate

92%

Total Tests

2,221

Highest Pass Rate

2015 (98%)

Years Covered

About the Morgan Plus 4

The Morgan Plus 4 was MOT tested 2,221 times in 2024 (DVSA data, retests included) across 25 model years (1990 to 2020), with an average pass rate of 92%. That's comfortably above the average of 82% across all models in our data. Our records list petrol versions.

Best and Worst Years

Of the years with at least 100 tests, the 2015 model has the highest pass rate at 98% from 184 tests. The 1997 model has the lowest at 78%. With a 20 point gap, the year you choose makes a real difference. Newer cars usually pass more often simply because they are younger.

Reliability Trend

The Morgan Plus 4 has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.

Mileage Across Years

The oldest model in our data (1990) averages 53,164 miles, while the newest (2020) averages 5,365 miles.

Estimated Running Costs

Fuel (Petrol, 1999cc)

£1,631

Road Tax

£200

MOT Test

£55

Predicted Repairs

£200

Total per year£2,086

Per month£174/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2020 details

How reliable is the Morgan Plus 4?

vs average of all models+10% (82% avg)

vs Morgan brand average+0% (92% avg)

Best to worst year spread20 percentage points

Reliability trendStable over years

Morgan Plus 4 by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

Year	Pass Rate	Tests	Avg Mileage
2020	98%	48	5,365 mi
2019	93%	151	7,875 mi
2018	92%	114	11,589 mi
2017	92%	114	13,580 mi
2016	93%	161	12,093 mi
2015	98%	184	14,339 mi
2014	90%	136	16,843 mi
2013	91%	88	15,786 mi
2012	86%	94	14,944 mi
2011	96%	97	21,860 mi
2010	95%	94	19,481 mi
2009	93%	84	23,651 mi
2008	96%	77	29,476 mi
2007	98%	117	28,763 mi
2006	88%	57	28,948 mi
2005	100%	45	27,806 mi
1999	83%	64	41,745 mi
1998	97%	67	32,891 mi
1997	78%	138	32,610 mi
1996	96%	50	35,348 mi
1995	95%	44	42,044 mi
1994	90%	52	34,490 mi
1993	82%	60	37,123 mi
1992	92%	38	41,377 mi
1990	94%	47	53,164 mi

Questions about the Morgan Plus 4

Is the Morgan Plus 4 reliable?

Across its 25 model years in our data (1990 to 2020), the Morgan Plus 4 averages a 92% MOT pass rate, from 2,221 tests (DVSA MOT data for tests in 2024, retests included). That's 10 points above the average of 82% across all models in the same data. The 2015 model has the highest pass rate of the years with at least 100 tests, at 98%.

Which year Morgan Plus 4 has the best MOT pass rate?

Of the years with at least 100 tests, the 2015 Morgan Plus 4 has the highest MOT pass rate at 98%, while the 1997 model has the lowest at 78%, a 20 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.