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BMW 420 in Eastleigh • 25 cars with AutoUncle Valuation

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Used BMW 420 M Sport 184 HP (135 kW) 2017 Black Coupe
(2017) BMW 420 M Sport 184 HP
£9,999

Fair price

Estimated price £9,661
SO18 1BH Southampton, Hampshire

178 g CO2/km comb. - 184 HP (135 kW) - 7.8 Mpg

Carwow-used-non-VIP

Used BMW 420 M Sport 190 HP (139 kW) 2016 Silver Cabriolet
(2016) BMW 420 M Sport 190 HP
£14,299

Fair price

You save £501
SO15 0LP Southampton, Hampshire

156 g CO2/km comb. - 190 HP (139 kW) - 5.9 Mpg

Carwow-used-non-VIP

Used BMW 420 M Sport 190 HP (139 kW) 2016 Black Coupe
(2016) BMW 420 M Sport 190 HP
£10,299

Fair price

Estimated price £9,956
SO18 1BH Southampton, Hampshire

160 g CO2/km comb. - 190 HP (139 kW) - 6.1 Mpg

Carwow-used-VIP

Used BMW 420 M Sport 184 HP (135 kW) 2018 White Coupe
(2018) BMW 420 M Sport 184 HP
£14,795

Fair price

Estimated price £14,430
RG26 3JE Hampshire, Hampshire

178 g CO2/km comb. - 184 HP (135 kW) - 7.8 Mpg

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Super price

Good price

Fair price

A bit pricey

Expensive

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Carwow-used-non-VIP

Used BMW 420 M Sport 184 HP (135 kW) 2020 Black Coupe
(2020) BMW 420 M Sport 184 HP
£17,205

Fair price

You save £695
SO31 7FL Lower Swanwick, Hampshire

169 g CO2/km comb. - 184 HP (135 kW) - 7.3 Mpg

Carwow-used-non-VIP

Used BMW 420 Luxury Line 184 HP (135 kW) 2014 Blue Coupe
(2014) BMW 420 Luxury Line 184 HP
£6,999

Fair price

You save £101
SO18 1BH Southampton, Hampshire

121 g CO2/km comb. - 184 HP (135 kW) - 4.6 Mpg

Carwow

Used BMW 420 Comfort Edition 184 HP (135 kW) 2014 Coupe
(2014) BMW 420 Comfort Edition 184 HP
£6,995

Fair price

You save £605
SO18 6TE Bitterne Village, Hampshire

124 g CO2/km comb. - 184 HP (135 kW) - 4.7 Mpg

Carwow-used-VIP

Used BMW 420 Comfort Edition 184 HP (135 kW) 2013 Blue Coupe
(2013) BMW 420 Comfort Edition 184 HP
£6,995

Fair price

You save £5
SO18 6TE Bitterne Village, Hampshire

124 g CO2/km comb. - 184 HP (135 kW) - 60.0 Mpg

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Used VW Arteon Elegance 150 HP (110 kW) 2020 Grey Hatchback
(2020) VW Arteon Elegance 150 HP
£12,999

Good price

You save £1,601
SO18 1BH Southampton, Hampshire

133 g CO2/km comb. - 150 HP (110 kW) - 5.1 Mpg

Carwow-used-non-VIP

Used VW Arteon R-line 190 HP (139 kW) 2022 Grey Hatchback
(2022) VW Arteon R-line 190 HP
£19,495

Fair price

You save £105
RG26 3JE Hampshire, Hampshire

164 g CO2/km comb. - 190 HP (139 kW) - 7.2 Mpg

Carwow-used-non-VIP

Used VW Arteon R-line 218 HP (160 kW) 2022 Grey Hatchback
(2022) VW Arteon R-line 218 HP
£19,326

Fair price

You save £374
SO31 7FL Lower Swanwick, Hampshire

25 g CO2/km comb. - 218 HP (160 kW) - 1.1 Mpg

Carwow-used-non-VIP

Used VW Arteon R-line 150 HP (110 kW) 2022 Black Hatchback
(2022) VW Arteon R-line 150 HP
£17,199

Good price

You save £1,301
SO31 7FL Lower Swanwick, Hampshire

133 g CO2/km comb. - 150 HP (110 kW) - 5.1 Mpg

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Used VW Arteon R-line 218 HP (160 kW) 2024 Estate
(2024) VW Arteon R-line 218 HP
£19,326

Good price

You save £1,974
SO31 7FL Lower Swanwick, Hampshire

29 g CO2/km comb. - 218 HP (160 kW) - 1.3 Mpg

Carwow-used-non-VIP

Used Audi A5 S-Line 150 HP (110 kW) 2023 Grey Coupe
(2023) Audi A5 S-Line 150 HP
£20,995

Good price

You save £2,305
RG26 3JE Hampshire, Hampshire

156 g CO2/km comb. - 150 HP (110 kW) - 6.8 Mpg

Carwow-used-non-VIP

Used Mercedes E220 AMG line 177 HP (130 kW) 2016 Blue Cabriolet
(2016) Mercedes E220 AMG line 177 HP
£10,499

Fair price

You save £1
SO18 1BH Southampton, Hampshire

131 g CO2/km comb. - 177 HP (130 kW) - 5.0 Mpg

Carwow-used-non-VIP

Used Mercedes CLA220 AMG line 170 HP (125 kW) 2019 White Coupe
(2019) Mercedes CLA220 AMG line 170 HP
£11,999

Fair price

Estimated price £11,388
SO18 1BH Southampton, Hampshire

145 g CO2/km comb. - 170 HP (125 kW) - 5.5 Mpg

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Used Mercedes CLA200 AMG line 136 HP (100 kW) 2018 White Coupe
(2018) Mercedes CLA200 AMG line 136 HP
£13,499

Fair price

Estimated price £13,227
SO18 1BH Southampton, Hampshire

105 g CO2/km comb. - 136 HP (100 kW) - 4.0 Mpg

Carwow-used-non-VIP

Used Mercedes E220 AMG line 177 HP (130 kW) 2015 Blue Cabriolet
(2015) Mercedes E220 AMG line 177 HP
£9,999

Fair price

You save £301
SO18 1BH Southampton, Hampshire

131 g CO2/km comb. - 177 HP (130 kW) - 5.0 Mpg

Carwow-used-non-VIP

Used Mercedes CLA220 AMG 170 HP (125 kW) 2014 White Coupe
(2014) Mercedes CLA220 AMG 170 HP
£10,499

Fair price

You save £401
SO18 1BH Southampton, Hampshire

111 g CO2/km comb. - 170 HP (125 kW) - 4.2 Mpg

Carwow-used-non-VIP

Used Mercedes CLA200 AMG line 156 HP (114 kW) 2019 Grey Coupe
(2019) Mercedes CLA200 AMG line 156 HP
£14,499

Fair price

Estimated price £14,179
SO18 1BH Southampton, Hampshire

146 g CO2/km comb. - 156 HP (114 kW) - 7.1 Mpg

Showing 1 - 25 of 25 results

How much does a used BMW 420 cost? Prices, ratings and depreciation by model year

How much does a used BMW 420 cost? Prices, ratings and depreciation by model year

Model year

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

2026 BMW 420

£25,678 - £54,615£44,2502,000 miles-£1,080184

2025 BMW 420

£34,000 - £52,298£40,5695,300 miles-£4,42083

2024 BMW 420

£29,398 - £41,234£35,46716,600 miles-£4,92030

2023 BMW 420

£25,977 - £35,550£30,07127,200 miles-£3,72078

2022 BMW 420

£22,359 - £31,173£26,43534,100 miles-£4,420144

2021 BMW 420

£14,495 - £30,000£23,58443,000 miles-£6,560112

2020 BMW 420

£10,680 - £24,505£16,92051,300 miles-£2,02097

2019 BMW 420

£11,720 - £19,616£15,74860,100 miles-£1,480137

2018 BMW 420

£10,663 - £18,024£14,48364,000 miles-£1,080174

2017 BMW 420

£7,965 - £15,513£12,21679,700 miles-£1,380121

2016 BMW 420

£7,155 - £14,790£10,81388,400 miles-£1,120119

2015 BMW 420

£6,300 - £13,993£9,81494,900 miles-£1,12088

2014 BMW 420

£5,961 - £12,671£8,82798,800 miles-£82076

2013 BMW 420

£6,645 - £10,195£8,19594,000 miles-£34011

*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market

The data is based on the cars currently listed on AutoUncle

Last updated: 1 August 2026

Comparison of BMW 420 variants and prices

Below you can compare prices and depreciation for the 5 most popular BMW 420 variants. The table is updated daily with data from the market in United Kingdom.

Comparison of BMW 420 variants and prices

Variant

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

🏆 The most popular

BMW 420 M Sport

£8,750 - £49,997£23,22246,100 miles-£1,6801,329

BMW 420 Sport Line

£5,995 - £17,585£11,20575,400 miles-£1,50063

BMW 420 Comfort Edition

£5,996 - £15,659£10,63481,000 miles-£1,26013
📈 The best value

BMW 420 Luxury Line

£6,283 - £12,500£9,26386,800 miles-£94029
💰 The budget choice

BMW 420 Performance

£5,645 - £12,888£8,89798,000 miles-14

*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market

The data is based on the cars currently listed on AutoUncle

Last updated: 1 August 2026

Which variant should you choose?

💰 The budget choice

The Performance is the cheapest entry point with an average price of £8,897.

🏆 The most popular

There are the most M Sport for sale right now (1329), which gives you the most options to choose from.

📈 The best value

The Luxury Line has held its price stable with minimal loss in value over the past year (-£940).

autouncle-certified

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

Used BMW 420 by area

See BMW 420