2018 MG GS prices
There are 10 used 2018 MG GS cars for sale from UK dealers on AskCar, as of 5 November 2026. Typical asking price £6,300 (the median: half cost less, half cost more). The cheapest is £5,290. The middle half are priced between £5,300 and £8,000. Median mileage: about 66,000 miles.
Dealers lowered the asking price on more than a third of 2018 MG GS cars: 5 of the 10 in the 14 days to 5 November 2026.
AskCar lists 33 used MG GS across the UK, from 30 dealerships.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
2018 MG GS cars for sale now
This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage and recently reduced. A car in more than one group is listed in full once. The groups pick only from cars with photos and an AskCar estimate, priced at £500 or more and no more than 25% under that estimate. All 10 cars listed here meet these rules.
The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 32 priced MG GS adverts on AskCar as of 5 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2018 MG GS.
Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer and town; AskCar page. Each car's AskCar page has its full price history and cheaper cars like it.
Best value 2018 MG GS: priced furthest below the AskCar estimate
Their asking prices run from £5,290 to £8,599.
- 2018 MG GS, 164 bhp, petrol, 5 doors. Mileage: 92,764 miles. Price: £5,299, unchanged since AskCar first saw it on 17 October 2026, 19 days ago. Good value: £656 (11%) under the AskCar estimate of £5,955. Dealer: M J C Motors in Oldbury. AskCar page: https://askcar.co.uk/car/mg-gs-2018-cf138acf72ba
- 2018 MG GS 1.5 TGI Exclusive, 160 bhp, manual, petrol, SUV, 5 doors, black. Mileage: 81,202 miles. Price: £5,590, reduced by £300 from £5,890 since AskCar first saw it on 19 September 2026, 47 days ago. Fair price: £380 (6%) under the AskCar estimate of £5,970. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 July 2027. Dealer: Crowther Lodge Motor Company in Gateshead. AskCar page: https://askcar.co.uk/car/mg-gs-2018-007ee6dda1d2
- 2018 MG GS 1.5 TGI Exclusive, 160 bhp, automatic, petrol, SUV, 5 doors, silver. Mileage: 40,897 miles. Price: £8,485, reduced by £1,000 from £9,485 since AskCar first saw it on 25 June 2026, 133 days ago. Fair price: £350 (3%) under the AskCar estimate of £8,835. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 16 June 2027. Dealer: AJ Motor Hub in Peterborough. AskCar page: https://askcar.co.uk/car/mg-gs-2018-419900105713
- 2018 MG GS 1.5 Exclusive, manual, petrol, hatchback, 5 doors, white. Mileage: 92,764 miles. Price: £5,299, unchanged since AskCar first saw it on 16 October 2026, 20 days ago. Fair price: £204 (3%) under the AskCar estimate of £5,503. MOT: valid until 7 January 2027. Dealer: M J C Motors in Oldbury. AskCar page: https://askcar.co.uk/car/mg-gs-2018-2330eb778f34
- 2018 MG GS 1.5 TGI Excite, 160 bhp, manual, petrol, SUV, 5 doors, black. Mileage: 81,704 miles. Price: £5,290, unchanged since AskCar first saw it on 12 October 2026, 24 days ago. Fair price: £147 (2%) under the AskCar estimate of £5,437. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 July 2027. Dealer: Moto-vation in Leeds. AskCar page: https://askcar.co.uk/car/mg-gs-2018-28127fb2cb95
- 2018 MG GS 1.5, manual, petrol, SUV, 5 doors, brown. Mileage: 50,696 miles. Price: £6,995, reduced by £800 from £7,795 since AskCar first saw it on 9 October 2026, 27 days ago. Fair price: £101 (1%) under the AskCar estimate of £7,096. MOT: valid until 12 January 2027. Dealer: Hexon Cars in Aylesbury. AskCar page: https://askcar.co.uk/car/mg-gs-2018-c2e0ab729624
- 2018 MG GS 1.5 Exclusive, 163 bhp, manual, petrol, gold. Mileage: 97,000 miles. Price: £5,495, reduced by £500 from £5,995 since AskCar first saw it on 25 September 2026, 41 days ago. Fair price: £44 (under 1%) under the AskCar estimate of £5,539. MOT: valid until 24 March 2027. Dealer: Chris Waite Car Sales in Blackwood. AskCar page: https://askcar.co.uk/car/mg-gs-2018-972b87fd8f1c
- 2018 MG GS 1.5 TGI Exclusive, 160 bhp, manual, petrol, SUV, 5 doors, brown. Mileage: 37,649 miles. Price: £7,990, unchanged since AskCar first saw it on 28 October 2026, 8 days ago. Fair price: £62 (under 1%) over the AskCar estimate of £7,928. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 8 June 2027. Dealer: Carcart in Willenhall. AskCar page: https://askcar.co.uk/car/mg-gs-2018-ba858f29f997
- 2018 MG GS 1.5 TGI Excite, 160 bhp, manual, petrol, SUV, 5 doors, gold. Mileage: 22,611 miles. Price: £7,999, reduced by £100 from £8,099 since AskCar first saw it on 9 October 2026, 27 days ago. Fair price: £171 (2%) over the AskCar estimate of £7,828. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 June 2027. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/mg-gs-2018-e52c27cd9170
- 2018 MG GS 1.5 TGI Exclusive, 160 bhp, manual, petrol, SUV, 5 doors, white. Mileage: 31,408 miles. Price: £8,599, reduced by £489 from £9,088 since AskCar first saw it on 20 August 2026, 77 days ago. Fair price: £386 (4%) over the AskCar estimate of £8,213. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 17 August 2027. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/mg-gs-2018-61025cb5d63d
Cheapest 2018 MG GS: the lowest asking prices
These 10 are priced £5,290 to £8,599. They have covered 22,611 to 97,000 miles.
- 2018 MG GS 1.5 TGI Excite: £5,290, 81,704 miles. Listed in full under best value.
- 2018 MG GS 1.5 Exclusive: £5,299, 92,764 miles. Listed in full under best value.
- 2018 MG GS: £5,299, 92,764 miles. Listed in full under best value.
- 2018 MG GS 1.5 Exclusive: £5,495, 97,000 miles. Listed in full under best value.
- 2018 MG GS 1.5 TGI Exclusive: £5,590, 81,202 miles. Listed in full under best value.
- 2018 MG GS 1.5: £6,995, 50,696 miles. Listed in full under best value.
- 2018 MG GS 1.5 TGI Exclusive: £7,990, 37,649 miles. Listed in full under best value.
- 2018 MG GS 1.5 TGI Excite: £7,999, 22,611 miles. Listed in full under best value.
- 2018 MG GS 1.5 TGI Exclusive: £8,485, 40,897 miles. Listed in full under best value.
- 2018 MG GS 1.5 TGI Exclusive: £8,599, 31,408 miles. Listed in full under best value.
Lowest-mileage 2018 MG GS
These 10 have covered 22,611 to 97,000 miles. Their asking prices run from £5,290 to £8,599.
- 2018 MG GS 1.5 TGI Excite: £7,999, 22,611 miles. Listed in full under best value.
- 2018 MG GS 1.5 TGI Exclusive: £8,599, 31,408 miles. Listed in full under best value.
- 2018 MG GS 1.5 TGI Exclusive: £7,990, 37,649 miles. Listed in full under best value.
- 2018 MG GS 1.5 TGI Exclusive: £8,485, 40,897 miles. Listed in full under best value.
- 2018 MG GS 1.5: £6,995, 50,696 miles. Listed in full under best value.
- 2018 MG GS 1.5 TGI Exclusive: £5,590, 81,202 miles. Listed in full under best value.
- 2018 MG GS 1.5 TGI Excite: £5,290, 81,704 miles. Listed in full under best value.
- 2018 MG GS 1.5 Exclusive: £5,299, 92,764 miles. Listed in full under best value.
- 2018 MG GS: £5,299, 92,764 miles. Listed in full under best value.
- 2018 MG GS 1.5 Exclusive: £5,495, 97,000 miles. Listed in full under best value.
Recently reduced 2018 MG GS: the biggest price reductions in the 14 days to 5 November 2026
The dealer lowered the asking price on each of these 5 in the 14 days to 5 November 2026. Their reductions since AskCar first saw them run from £100 to £1,000.
- 2018 MG GS 1.5 TGI Exclusive: £8,485, 40,897 miles. Listed in full under best value.
- 2018 MG GS 1.5: £6,995, 50,696 miles. Listed in full under best value.
- 2018 MG GS 1.5 Exclusive: £5,495, 97,000 miles. Listed in full under best value.
- 2018 MG GS 1.5 TGI Exclusive: £8,599, 31,408 miles. Listed in full under best value.
- 2018 MG GS 1.5 TGI Excite: £7,999, 22,611 miles. Listed in full under best value.
MG GS by trim
MG GS near you
- In England (29 cars)
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