MG Gs service: key facts
- Oil service every 10,000 miles or 1 year
- Basic service costs £80–£200 depending on garage
- 1 generation from 2016 to 2019
- 6 tracked service items across routine, major, and periodic schedules
Routine service items
These are the items covered in a standard service. Most garages include oil, oil filter and a basic inspection. The rest are typically checked or replaced on a schedule.
| Service item | Interval | Typical cost |
|---|---|---|
|
Engine oil and filter
Manufacturer interval 10,000 miles or 12 months. Use 5W-30 fully synthetic oil. Change filter with every oil change. Short service intervals recommended given early model teething issues.
MK1
|
10,000 miles or 1 year |
£80–£120
Dealer: £150–£200
|
|
Air filter
Manufacturer interval 20,000 miles. Check more frequently if driven in dusty conditions. Dirty filter can affect turbo performance on 1.5T variants.
MK1
|
20,000 miles or 2 years |
£25–£40
Dealer: £50–£70
|
|
Cabin pollen filter
Manufacturer interval 20,000 miles. Replace annually if used frequently in urban areas. Located behind glovebox.
MK1
|
20,000 miles or 2 years |
£30–£50
Dealer: £60–£80
|
Has this MG Gs been serviced on schedule?
Check the dealer service records to see if the work above was actually done.
£6.99 · Full refund if no records found
Periodic maintenance
Items that don't need doing at every service but should be on your radar at the right mileage or age.
| Service item | Interval | Typical cost |
|---|---|---|
|
Spark plugs
Manufacturer interval 40,000 miles. Turbo variants may benefit from earlier replacement at 30,000 miles due to higher operating temperatures.
MK1
|
40,000 miles or 4 years |
£80–£120
Dealer: £150–£200
|
|
Brake fluid
Manufacturer interval 2 years regardless of mileage. DOT 4 brake fluid specified. Critical given documented brake disc issues on this model.
MK1
|
2 years |
£60–£90
Dealer: £120–£150
|
|
Coolant flush
Manufacturer interval 80,000 miles or 5 years. Use OAT (Organic Acid Technology) coolant. Check level and condition annually.
MK1
|
80,000 miles or 5 years |
£80–£120
Dealer: £150–£200
|
Buying a used MG Gs? Check its service history first.
A Gs with a patchy service history can cost you thousands in missed timing belts, skipped oil changes, and hidden neglect. We pull the franchised dealer records — every visit, every stamp, every mileage reading — so you can see exactly what's been done and what's been skipped.
£6.99 · No records found = full refund, zero risk
Related
MG Gs service FAQs
How often does a MG Gs need servicing?
A MG Gs needs servicing every 10,000 miles or 1 year, whichever comes first. Manufacturer interval 10,000 miles or 12 months.
What does a MG Gs service cost?
A basic service at an independent garage costs £80–£120. Main dealer servicing runs £150–£200. Major items like timing belts or gearbox services cost significantly more. Independent garages are typically 30 to 50% cheaper for the same work.
Is a MG Gs expensive to maintain?
Routine servicing starts from £80 at an independent garage, which is about average for this class of car. The bigger costs come from periodic items like timing belts, brake fluid changes, and transmission servicing. Keeping on top of the schedule avoids expensive failures.
How do I check a MG Gs's service history?
You can check any MG Gs's official dealer service records online using just the registration number. The check retrieves every logged dealer visit, including dates, mileage, and work done, so you can see whether the schedule has been followed or if there are gaps. It costs £6.99 and you get a full refund if no records are found.