2023 BMW 8 Series prices
There are 16 used 2023 BMW 8 Series cars for sale from UK dealers on AskCar, as of 8 November 2026. Typical asking price £40,500 (the median: half cost less, half cost more). The cheapest is £34,950. The middle half are priced between £37,500 and £43,000. Median mileage: about 19,000 miles.
Dealers lowered the asking price on more than a third of 2023 BMW 8 Series cars: 6 of the 16 in the 14 days to 8 November 2026.
2023 BMW 8 Series against other years
A 2022 BMW 8 Series car has a typical asking price of £36,500, as of 8 November 2026.
AskCar lists 195 used BMW 8 Series across the UK, from 163 dealerships.
As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
2023 BMW 8 Series cars for sale now
This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage, recently reduced and newly advertised. 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 16 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 186 priced BMW 8 Series adverts on AskCar as of 8 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2023 BMW 8 Series.
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 2023 BMW 8 Series: priced furthest below the AskCar estimate
Their asking prices run from £34,950 to £53,081.
- 2023 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, 2 doors, 4 seats, grey. Mileage: 17,854 miles. Price: £37,250, reduced by £1,650 from £38,900 since AskCar first saw it on 26 August 2026, 74 days ago. Fair price: £3,170 (7%) under the AskCar estimate of £40,420. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 20 January 2027. Dealer: Sytner Select Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-60e70457828b
- 2023 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, coupe, 2 doors, 4 seats, grey. Mileage: 17,865 miles. Price: £38,550, reduced by £450 from £39,000 since AskCar first saw it on 16 October 2026, 23 days ago. Fair price: £2,182 (5%) under the AskCar estimate of £40,732. Euro 6 emissions standard. ULEZ compliant. Dealer: Saxtons.co.uk in Chelmsford. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-1b95eaeb8fd2
- 2023 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, coupe, green. Mileage: 4,433 miles. Price: £40,751, unchanged since AskCar first saw it on 5 November 2026, 3 days ago. Fair price: £1,254 (2%) under the AskCar estimate of £42,005. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 September 2027. Dealer: BMW Park Lane in City of Westminster. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-d99107ae3df1
- 2023 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, coupe, black. Mileage: 20,221 miles. Price: £37,421, unchanged since AskCar first saw it on 5 November 2026, 3 days ago. Fair price: £898 (2%) under the AskCar estimate of £38,319. Euro 6 emissions standard. ULEZ compliant. Dealer: BMW Park Lane in City of Westminster. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-19625c19ec9a
- 2023 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, coupe, green. Mileage: 37,331 miles. Price: £34,950, unchanged since AskCar first saw it on 8 November 2026. Fair price: £320 (under 1%) under the AskCar estimate of £35,270. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 4 October 2027. Dealer: Lloyd Carlisle BMW in Carlisle. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-242cec4e3f9d
- 2023 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, coupe, 2 doors, 4 seats, blue. Mileage: 13,030 miles. Price: £41,299, reduced by £1,300 from £42,599 since AskCar first saw it on 7 October 2026, 32 days ago. Fair price: £303 (under 1%) under the AskCar estimate of £41,602. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 13 September 2027. Dealer: cinch in Scunthorpe. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-746da0dd154a
- 2023 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, coupe, black. Mileage: 37,429 miles. Price: £35,190, reduced by £800 from £35,990 since AskCar first saw it on 20 August 2026, 80 days ago. Fair price: £61 (under 1%) under the AskCar estimate of £35,251. Euro 6 emissions standard. ULEZ compliant. Dealer: Stratstone BMW Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-4e1015f962ce
- 2023 BMW 8 Series 4.4 M850i V8, 523 bhp, automatic, petrol, coupe, 2 doors, 4 seats, blue. Mileage: 29,068 miles. Price: £53,081, unchanged since AskCar first saw it on 30 October 2026, 9 days ago. Fair price: £330 (under 1%) over the AskCar estimate of £52,751. Euro 6 emissions standard. ULEZ compliant. Dealer: Motorvana in Manchester. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-01eedd381504
- 2023 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, coupe, 2 doors, 4 seats, grey. Mileage: 44,958 miles. Price: £36,000, unchanged since AskCar first saw it on 6 October 2026, 33 days ago. Fair price: £412 (1%) over the AskCar estimate of £35,588. Euro 6 emissions standard. ULEZ compliant. Dealer: MB Brent Park in London. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-e9dc50d9a83d
- 2023 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, coupe, green. Mileage: 21,354 miles. Price: £38,650, reduced by £1,350 from £40,000 since AskCar first saw it on 17 September 2026, 52 days ago. Fair price: £520 (1%) over the AskCar estimate of £38,130. Euro 6 emissions standard. ULEZ compliant. Dealer: MINI UK at Sandal Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-9ce5cb523cab
Cheapest 2023 BMW 8 Series: the lowest asking prices
These 10 are priced £34,950 to £41,000. They have covered 4,433 to 44,958 miles.
- 2023 BMW 8 Series 3.0 840i M Sport: £34,950, 37,331 miles. Listed in full under best value.
- 2023 BMW 8 Series 3.0 840i M Sport: £35,190, 37,429 miles. Listed in full under best value.
- 2023 BMW 8 Series 3.0 840i M Sport: £36,000, 44,958 miles. Listed in full under best value.
- 2023 BMW 8 Series 3.0 840i M Sport: £37,250, 17,854 miles. Listed in full under best value.
- 2023 BMW 8 Series 3.0 840i M Sport: £37,421, 20,221 miles. Listed in full under best value.
- 2023 BMW 8 Series 3.0 840i M Sport: £38,550, 17,865 miles. Listed in full under best value.
- 2023 BMW 8 Series 3.0 840i M Sport: £38,650, 21,354 miles. Listed in full under best value.
- 2023 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, coupe, grey. Mileage: 23,966 miles. Price: £39,900, unchanged since AskCar first saw it on 21 October 2026, 18 days ago. Fair price: £2,203 (5%) over the AskCar estimate of £37,697. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 15 April 2027. Dealer: Berry Heathrow in Heathrow. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-d829169312ee
- 2023 BMW 8 Series 3.0 840i M Sport: £40,751, 4,433 miles. Listed in full under best value.
- 2023 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, coupe, black. Mileage: 9,259 miles. Price: £41,000, unchanged since AskCar first saw it on 22 October 2026, 17 days ago. Fair price: £663 (1%) over the AskCar estimate of £40,337. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 12 July 2027. Dealer: John Clark BMW Tayside in Dundee. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-0485eded6f10
Lowest-mileage 2023 BMW 8 Series
These 10 have covered 4,433 to 21,354 miles. Their asking prices run from £37,250 to £48,200.
- 2023 BMW 8 Series 3.0 840i M Sport: £40,751, 4,433 miles. Listed in full under best value.
- 2023 BMW 8 Series 3.0 840i M Sport: £41,000, 9,259 miles. Listed in full under cheapest.
- 2023 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, coupe, 2 doors, 4 seats, blue. Mileage: 10,543 miles. Price: £42,898, reduced by £1,100 from £43,998 since AskCar first saw it on 6 August 2026, 94 days ago. Fair price: £841 (2%) over the AskCar estimate of £42,057. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 5 August 2027. Dealer: Arnold Clark Kirkcaldy BMW in Kirkcaldy. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-9ff3d790756c
- 2023 BMW 8 Series 3.0 840i M Sport: £41,299, 13,030 miles. Listed in full under best value.
- 2023 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, coupe, 2 doors, 4 seats, grey. Mileage: 14,586 miles. Price: £42,998, unchanged since AskCar first saw it on 6 November 2026, 2 days ago. Fair price: £1,678 (4%) over the AskCar estimate of £41,320. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 October 2027. Dealer: Arnold Clark Irvine BMW in Irvine. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-f11840547c24
- 2023 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, convertible, 2 doors, 4 seats, grey. Mileage: 15,611 miles. Price: £48,200, reduced by £290 from £48,490 since AskCar first saw it on 28 October 2026, 11 days ago. Above the going rate: £7,053 (17%) over the AskCar estimate of £41,147. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 January 2027. Dealer: Vines of Gatwick BMW in Crawley. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-48abf3668e58
- 2023 BMW 8 Series 3.0 840i M Sport: £37,250, 17,854 miles. Listed in full under best value.
- 2023 BMW 8 Series 3.0 840i M Sport: £38,550, 17,865 miles. Listed in full under best value.
- 2023 BMW 8 Series 3.0 840i M Sport: £37,421, 20,221 miles. Listed in full under best value.
- 2023 BMW 8 Series 3.0 840i M Sport: £38,650, 21,354 miles. Listed in full under best value.
Recently reduced 2023 BMW 8 Series: the biggest price reductions in the 14 days to 8 November 2026
The dealer lowered the asking price on each of these 6 in the 14 days to 8 November 2026. Their reductions since AskCar first saw them run from £290 to £1,650.
- 2023 BMW 8 Series 3.0 840i M Sport: £37,250, 17,854 miles. Listed in full under best value.
- 2023 BMW 8 Series 3.0 840i M Sport: £41,299, 13,030 miles. Listed in full under best value.
- 2023 BMW 8 Series 3.0 840i M Sport, 328 bhp, automatic, petrol, convertible, 2 doors, 4 seats, grey. Mileage: 23,128 miles. Price: £43,990, reduced by £1,000 from £44,990 since AskCar first saw it on 3 October 2026, 36 days ago. Above the going rate: £4,173 (10%) over the AskCar estimate of £39,817. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 February 2027. Dealer: Group 1 Southend BMW in Southend-on-Sea. AskCar page: https://askcar.co.uk/car/bmw-8-series-2023-a9a1410075e6
- 2023 BMW 8 Series 3.0 840i M Sport: £35,190, 37,429 miles. Listed in full under best value.
- 2023 BMW 8 Series 3.0 840i M Sport: £38,550, 17,865 miles. Listed in full under best value.
- 2023 BMW 8 Series 3.0 840i M Sport: £48,200, 15,611 miles. Listed in full under lowest mileage.
Newly advertised 2023 BMW 8 Series: first seen by AskCar in the 7 days to 8 November 2026
These 4 are the most recently advertised. Cars first seen on the same day are listed cheapest first.
- 2023 BMW 8 Series 3.0 840i M Sport: £34,950, 37,331 miles. Listed in full under best value.
- 2023 BMW 8 Series 3.0 840i M Sport: £42,998, 14,586 miles. Listed in full under lowest mileage.
- 2023 BMW 8 Series 3.0 840i M Sport: £37,421, 20,221 miles. Listed in full under best value.
- 2023 BMW 8 Series 3.0 840i M Sport: £40,751, 4,433 miles. Listed in full under best value.
BMW 8 Series by gearbox, fuel and body
- Petrol BMW 8 Series (140 cars)
- Diesel BMW 8 Series (53 cars)
- BMW 8 Series coupe (138 cars)
- BMW 8 Series convertible (38 cars)
BMW 8 Series prices by year
BMW 8 Series by trim
BMW 8 Series by price
BMW 8 Series near you
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