CarComparison home
Menu

Compare cars on reliability and running costs, and check any car by its reg

Mercedes-Benz AMG reliability, MPG and running costs

Figures updated

The Mercedes-Benz AMG is a car. In 2024 MOT tests it scored 91 for reliability (100 is average), ranking 323 of 442, and 13.7% failed first time against a UK average of 28.5%. Its most common MOT failure is condition (4.1% of tests).

91Below average

Ranked 323 of 442 cars in the 2024 MOT Reliability League

In 2024, 3,977 Mercedes-Benz AMGs aged 3 to 20 had an MOT and 13.7% failed first time (UK average 28.5%). Taking age and mileage into account, the Mercedes-Benz AMG is 10% more likely to fail than the average car of the same age and mileage. At the first MOT, at three years old, 13.7% failed (UK 12.7%).

First-time fail rate

13.7%

UK 28.5%

Fail rate at 3 years

13.7%

UK 12.7%

Average miles a year

8,300

Typical age at test: 3 years

Mercedes-Benz AMG MOT failure rate by age

0%10%20%30%40%357910UK average 31%AMG 14%

Most common Mercedes-Benz AMG MOT faults

  1. Condition: has ply or cords exposed4.1% of tests
  2. Condition: has a cut in excess of the requirements deep enough to reach the ply or cords2.3% of tests
  3. Tread depth: tread depth below requirements of 1.6mm1.6% of tests
  4. Headlamp aim: too high1.0% of tests
  5. Condition: fractured1.0% of tests
  6. Condition: has a bulge, caused by separation or partial failure of its structure0.8% of tests

What the Mercedes-Benz AMG fails on

AreaTests failingvs similar cars
Tyres8.8%▲ 1.8× as often
Lights and electrics1.4%▼ 46% less often
Wheels1.0%▲ 6.7× as often
Exhaust and emissions1.0%▲ 1.8× as often
Visibility0.8%▼ 74% less often
Brakes0.7%▼ 64% less often
Suspension0.6%▼ 17% less often
Seat belts and airbags0.2%▼ 37% less often
Body and structure0.1%▼ 49% less often
Steering0.1%▼ 42% less often

What MPG does the Mercedes-Benz AMG do?

Official economy for the Mercedes-Benz AMG ranges from 20 to 30.4mpg across the 28 versions listed by the Vehicle Certification Agency (2017–2025). A typical petrol version manages 24.8mpg. Expect 10–15% less in real-world driving.

Work out a journey's fuel cost

How much is road tax on a Mercedes-Benz AMG?

Any Mercedes-Benz AMG first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates). A Mercedes-Benz AMG registered between March 2001 and March 2017 is taxed on its CO2: £445 to £790 a year.

Work out tax for a specific car

Mercedes-Benz AMG specs and running costs

Official figures for 28 versions sold in the UK between 2017 and 2025.

Fuel types

Petrol, Plug-in hybrid

Official economy

20.0–30.4 mpg

CO2

188–319 g/km

Power

421–639 PS

VersionFuelEconomyCO2Car taxCompany car tax
AMG GT Coupe AMG GT 43421 PS · A9 · listed 2025Petrol27.4 mpg235g£20037%
AMG GT Coupe AMG GT 55 4MATIC+476 PS · A9 · listed 2025Petrol20.2 mpg319g£20037%
AMG GT Coupe AMG GT 63 4MATIC+585 PS · A9 · listed 2025Petrol20.2 mpg319g£20037%
AMG GT Coupe AMG GT 63 PRO 4MATIC+612 PS · A9 · listed 2025Petrol20.2 mpg319g£20037%
AMG GT 4 Door Coupe AMG GT 63 S 4MATIC+639 PS · A9 · listed 2025Petrol22.4 mpg286g£20037%
AMG GT Coupe AMG GT 63 S E PERFORMANCE612 PS · A9 · listed 2025Plug-in hybrid26.7 mpg241g£20037%
AMG GT 4 Door Coupe AMG GT 63 S E PERFORMANCE639 PS · A9 · listed 2025Plug-in hybrid25.2 mpg254g£20037%
AMG GT Coupe Mercedes-AMG GT 63 4MATIC+430 PS · A9 · listed 2024Petrol20 mpg319g£20037%
AMG GT Coupe Mercedes-AMG GT 63 S E PERFORMANCE450 PS · A9 · listed 2024Plug-in hybrid34.5 mpg188g£20037%
AMG GT Coupe .5 AMG GT476 PS · A7 · listed 2021Petrol23.5 mpg273g£200–
AMG GT Roadster .5 AMG GT C557 PS · A7 · listed 2021Petrol22.1 mpg291g£200–
AMG GT Coupe .5 AMG GT R585 PS · A7 · listed 2021Petrol22.1 mpg291g£200–
AMG GT Roadster .5 AMG GT R585 PS · A7 · listed 2021Petrol22.1 mpg291g£200–
AMG GT 4 Door Coupe .5 AMG GT 63 S 4MATIC+639 PS · A9 · listed 2021Petrol24.4 mpg291g£200–
AMG GT 4 Door .5 AMG GT 63 S 4MATIC+639 PS · A9 · listed 2021Petrol22.1 mpg290g£200–

Economy and CO2 are official WLTP figures. Car tax is the yearly rate at current rates for a car first registered in the year listed, before any expensive car supplement. Company car tax is the 2026/27 benefit-in-kind rate. Showing the 15 most recent of 28 versions.

What a Mercedes-Benz AMG costs to fuel

  • petrol, typical official 24.8mpg…

Official figures are usually 10–15% better than real-world driving.

Work out a journey in a Mercedes-Benz AMG

Buying a used Mercedes-Benz AMG?

Check the MOT history of the exact car: every result, advisory and mileage reading, free.

Other Mercedes-Benz models

Frequently asked questions

›Is the Mercedes-Benz AMG reliable?

Its MOT record is worse than average: the Mercedes-Benz AMG is 10% more likely to fail than the average car of the same age and mileage, with a reliability score of 91 in our 2024 league (100 is average).

›What are common problems with the Mercedes-Benz AMG?

The most common MOT fault is “Condition: has ply or cords exposed”, found in 4.1% of tests. It fails on wheels and tyres more often than similar cars.

›What MPG does the Mercedes-Benz AMG do?

Official economy for the Mercedes-Benz AMG ranges from 20 to 30.4mpg across the 28 versions listed by the Vehicle Certification Agency (2017–2025). A typical petrol version manages 24.8mpg. Expect 10–15% less in real-world driving.

›How much is road tax on a Mercedes-Benz AMG?

Any Mercedes-Benz AMG first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates). A Mercedes-Benz AMG registered between March 2001 and March 2017 is taxed on its CO2: £445 to £790 a year.

›How many Mercedes-Benz AMGs fail their MOT?

13.7% of Mercedes-Benz AMGs aged 3 to 20 failed their MOT first time in 2024, and 13.7% failed at their first MOT.

Sources: DVSA anonymised MOT tests 2024, all versions of the Mercedes-Benz AMG combined (Open Government Licence v3.0); official economy and CO2 from Vehicle Certification Agency data, © Crown copyright. VCA cannot accept liability for its accuracy. How we calculate the league.