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Kia Optima (diesel) • 70 cars with Valuation

Market overview: Diesel Kia Optima (September-2026): There are currently 70 used diesel Kia Optima cars for sale. Prices range from £3,997 to £12,160, with a median price of £6,995. AutoUncle has identified 4 cars as being offered below market price. The typical selling time for a diesel Kia Optima is approximately 26 days, and 30.0% of the listings have recently been reduced in price (Source: AutoUncle market data, September-2026).

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Used Kia Optima 141 HP (103 kW) 2017 Black Estate

(2017) Kia Optima 141 HP

Fair price

Estimated price £6,316

MK41 0HU Bedford, Bedfordshire

113 g CO2/km comb. - 141 HP (103 kW) - 4.4 Mpg

Carwow

Used Kia Optima 141 HP (103 kW) 2017 Black Estate

(2017) Kia Optima 141 HP

Good price

You save £1,400

B33 0LD West Midlands, West Midlands

113 g CO2/km comb. - 141 HP (103 kW) - 4.4 Mpg

Carwow

Used Kia Optima 141 HP (103 kW) 2017 Blue Estate

(2017) Kia Optima 141 HP

Fair price

Estimated price £5,711

MK44 3HW Great Barford, Bedfordshire

120 g CO2/km comb. - 141 HP (103 kW) - 64.0 Mpg

Carwow

Used Kia Optima 141 HP (103 kW) 2017 Black Estate

(2017) Kia Optima 141 HP

Fair price

PE6 7YB Eye, Cambridgeshire

113 g CO2/km comb. - 141 HP (103 kW) - 4.4 Mpg

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-20%

1 / 4

Used (2017) Kia Optima 141 HP | Good price

Sportswagon 3 1.7 CRDi 139bhp ISG

2017
76,968 miles
1.7L Diesel
Estate
Manual
141 HP (103 kW)
CO2 emissions: 113 g CO2/km comb.
4.4 mpg
Details

Good price

£6,000

£7,500

B33 0LD West Midlands, West Midlands

Availability verified

New

1 / 1

Used (2019) Kia Optima 136 HP | Good price

CRDI 2 ISG Estate

2019
81,659 miles
1.6L Diesel
Estate
Manual
136 HP (100 kW)
CO2 emissions: 123 g CO2/km comb.
52.3 mpg
Details

Good price

£6,989

Parkers.co.uk

SO31 1BQ Burridge, Hampshire

-18%

1 / 4

Used (2018) Kia Optima 134 HP | Good price

1.6 CRDi 2 Saloon 4dr Diesel

2018
58,500 miles
1.6L Diesel
Sedan
Manual
134 HP (98 kW)
CO2 emissions: 117 g CO2/km comb.
54.3 mpg
Details

Good price

£7,690

£9,490

Parkers.co.uk

NP12 2JG Pontllanfraith, Gwent

-5%

1 / 4

Used (2018) Kia Optima 136 HP | Good price

Sportswagon 2 1.6 CRDi 134bhp ISG

2018
109,000 miles
1.6L Diesel
Estate
Manual
136 HP (100 kW)
CO2 emissions: 123 g CO2/km comb.
52.3 mpg
Details

Good price

£5,190

£5,490

Parkers.co.uk

CM1 3RL Writtle, Essex

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Used Mazda 6 Inclusive 150 HP (110 kW) 2016 Red Sedan

(2016) Mazda 6 Inclusive 150 HP

Fair price

Estimated price £7,648

CW7 3AL Cheshire West And Chester, Cheshire

107 g CO2/km comb. - 150 HP (110 kW) - 68.9 Mpg

Carwow

Used Infiniti Q50 Sport Tech 170 HP (125 kW) 2018 Sedan

(2018) Infiniti Q50 Sport Tech 170 HP

Good price

You save £1,005

123 g CO2/km comb. - 170 HP (125 kW) - 4.6 Mpg

Carwow

Used Mazda 6 Inclusive 175 HP (128 kW) 2014 White Sedan

(2014) Mazda 6 Inclusive 175 HP

Fair price

RM4 1ST Stapleford Tawney, Essex

127 g CO2/km comb. - 175 HP (128 kW) - 4.8 Mpg

Carwow

Used Infiniti Q50 170 HP (125 kW) 2016 Black Sedan

(2016) Infiniti Q50 170 HP

Fair price

N16 6DB Greater London, London

119 g CO2/km comb. - 170 HP (125 kW) - 4.5 Mpg

1 / 4

Used (2016) Kia Optima 139 HP | Good price

CRDI 3 ISG

2016
22,347 miles
1.7L Diesel
Estate
Automatic
139 HP (102 kW)
CO2 emissions: 120 g CO2/km comb.
61 mpg
Details

Good price

£10,495

Motors.co.uk

OX18 3HF Oxfordshire, Oxfordshire

New

1 / 4

Used (2017) Kia Optima 141 HP | Fair price

Sportswagon 3 1.7 CRDi 139bhp ISG

2017
94,000 miles
1.7L Diesel
Estate
Manual
141 HP (103 kW)
CO2 emissions: 113 g CO2/km comb.
4.4 mpg
Details

Fair price

£6,450

MK41 0HU Bedford, Bedfordshire

Availability verified

1 / 1

Used (2017) Kia Optima 141 HP | Fair price

Sportswagon 2 1.7 CRDi 139bhp ISG

2017
93,000 miles
1.7L Diesel
Estate
Manual
141 HP (103 kW)
CO2 emissions: 113 g CO2/km comb.
4.4 mpg
Details

Fair price

£5,995

PE6 7YB Eye, Cambridgeshire

Availability verified

1 / 4

Used (2017) Kia Optima 141 HP | Fair price

SportsWagon 2018 3 1.7 CRDi ISG

2017
125,000 miles
1.7L Diesel
Estate
Automatic
141 HP (103 kW)
CO2 emissions: 120 g CO2/km comb.
64 mpg
Details

Fair price

£5,999

MK44 3HW Great Barford, Bedfordshire

Availability verified

-3%

1 / 4

Used (2019) Kia Optima 136 HP | Fair price

Sportswagon 3 1.6 CRDi 134bhp ISG

2019
36,189 miles
1.6L Diesel
Estate
Manual
136 HP (100 kW)
CO2 emissions: 122 g CO2/km comb.
51.4 mpg
Details

Fair price

£11,895

£12,295

Parkers.co.uk

L30 6YW Merseyside, Merseyside

-5%

1 / 4

Used (2017) Kia Optima 141 HP | Fair price

1.7 Crdi 2 Sportswagon 5Dr Diesel

2017
65,000 miles
1.7L Diesel
Estate
Manual
141 HP (103 kW)
CO2 emissions: 113 g CO2/km comb.
4.4 mpg
Details

Fair price

£8,499

£8,999

Motors.co.uk

BT23 4QP Ards And North Down

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Used Infiniti Q50 Sport Tech 170 HP (125 kW) 2016 Black Sedan

(2016) Infiniti Q50 Sport Tech 170 HP

Fair price

LU3 3AN Luton, Bedfordshire

123 g CO2/km comb. - 170 HP (125 kW) - 4.6 Mpg

Carwow

Used Mazda 6 Inclusive 184 HP (135 kW) 2019 White Sedan

(2019) Mazda 6 Inclusive 184 HP

Fair price

Estimated price £8,207

S80 2QD Nottinghamshire, Nottinghamshire

140 g CO2/km comb. - 184 HP (135 kW) - 5.3 Mpg

Carwow

Used Mazda 6 Inclusive 150 HP (110 kW) 2018 Red Estate

(2018) Mazda 6 Inclusive 150 HP

Super price

You save £2,005

ST1 6AT Stoke-On-Trent, Staffordshire

116 g CO2/km comb. - 150 HP (110 kW) - 4.4 Mpg

Carwow

Used Seat Arona SE Technology 95 HP (69 kW) 2019 Silver SUV

(2019) Seat Arona SE Technology 95 HP

Fair price

Estimated price £7,995

GL20 8SR Gloucestershire, Gloucestershire

126 g CO2/km comb. - 95 HP (69 kW) - 4.8 Mpg

New

1 / 4

Used (2018) Kia Optima GT-Line S 139 HP | Fair price

Sportswagon GT-Line S 1.7 CRDi

2018
64,200 miles
Trim level: GT-Line S
1.7L Diesel
Estate
Automatic
139 HP (102 kW)
CO2 emissions: 120 g CO2/km comb.
4.6 mpg
Details

Fair price

£11,459

Parkers.co.uk

S6 2FU South Yorkshire, South Yorkshire

New

1 / 4

Used (2018) Kia Optima 139 HP | Fair price

1.7 CRDi ISG 2 5dr

2018
99,211 miles
1.7L Diesel
Estate
Manual
139 HP (102 kW)
CO2 emissions: 113 g CO2/km comb.
4.4 mpg
Details

Fair price

£5,300

Motors.co.uk

NW2 7AQ Greater London, London

New

1 / 1

Used (2018) Kia Optima 134 HP | Fair price

1.6 CRDi 3 Sportswagon 5dr Diesel

2018
92,474 miles
1.6L Diesel
Estate
Manual
134 HP (98 kW)
CO2 emissions: 122 g CO2/km comb.
51.4 mpg
Details

Fair price

£6,995

Parkers.co.uk

CW1 6DN Cheshire East, Cheshire

-6%

1 / 4

Used (2019) Kia Optima 134 HP | Fair price

1.6 CRDi 3 Sportswagon 5dr Diesel

2019
92,650 miles
1.6L Diesel
Estate
Manual
134 HP (98 kW)
Details

Fair price

£7,490

£7,990

Motors.co.uk

ST17 0SG Staffordshire, Staffordshire

New

1 / 4

Used (2018) Kia Optima 136 HP | Fair price

Optima 1.6 CRDi ISG 3 5dr

2018
87,321 miles
1.6L Diesel
Estate
Manual
136 HP (100 kW)
CO2 emissions: 122 g CO2/km comb.
51.4 mpg
Details

Fair price

£6,988

Parkers.co.uk

WR4 9JT Worcestershire, Worcestershire

New

1 / 4

Used (2017) Kia Optima 139 HP | Fair price

Sportswagon 3 1.7 CRDi 139bhp DCT

2017
103,000 miles
1.7L Diesel
Estate
Automatic
139 HP (102 kW)
CO2 emissions: 120 g CO2/km comb.
4.6 mpg
Details

Fair price

£6,666

Parkers.co.uk

SK6 3JG Stockport, Manchester

New

1 / 4

Used (2018) Kia Optima 139 HP | Fair price

1.7 CRDi 3

2018
90,000 miles
1.7L Diesel
Estate
Manual
139 HP (102 kW)
CO2 emissions: 113 g CO2/km comb.
4.4 mpg
Details

Fair price

£6,795

Parkers.co.uk

EH7 5TX Edinburgh, Edinburgh

-1%

1 / 4

Used (2019) Kia Optima 136 HP | Fair price

2 Crdi Isg Estate

2019
36,729 miles
1.6L Diesel
Estate
Manual
136 HP (100 kW)
Details

Fair price

£11,200

£11,400

Exchange and Mart

Hampshire, Hampshire

1 / 3

Used (2018) Kia Optima 139 HP | Fair price

1.7 CRDi 2 Sportswagon 5dr Diesel

2018
117,959 miles
1.7L Diesel
Estate
Manual
139 HP (102 kW)
CO2 emissions: 113 g CO2/km comb.
4.4 mpg
Details

Fair price

£5,290

Motors.co.uk

PE2 9FT Peterborough, Cambridgeshire

-2%

1 / 4

Used (2018) Kia Optima 139 HP | Fair price

Sportswagon 3 1.7 CRDi 139bhp DCT

2018
111,686 miles
1.7L Diesel
Estate
Automatic
139 HP (102 kW)
CO2 emissions: 120 g CO2/km comb.
61 mpg
Details

Fair price

£6,599

£6,795

Motors.co.uk

BS11 9NQ Bristol City, Bristol

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Used Seat Arona SE Technology 116 HP (85 kW) 2018 Silver SUV

(2018) Seat Arona SE Technology 116 HP

Fair price

CM9 4LL Heybridge, Essex

114 g CO2/km comb. - 116 HP (85 kW) - 4.3 Mpg

Carwow

Used Volvo V40 CC 114 HP (83 kW) 2015 Grey SUV

(2015) Volvo V40 CC 114 HP

Fair price

Estimated price £5,188

OL10 4HQ Greater Manchester, Manchester

99 g CO2/km comb. - 114 HP (83 kW) - 3.8 Mpg

Carwow

Used Mazda 6 Inclusive 184 HP (135 kW) 2020 Estate

(2020) Mazda 6 Inclusive 184 HP

Fair price

144 g CO2/km comb. - 184 HP (135 kW) - 5.5 Mpg

Carwow

Used Mazda 6 150 HP (110 kW) 2019 White Sedan

(2019) Mazda 6 150 HP

Fair price

RM13 8RH Greater London, London

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

1 / 1

Used (2019) Kia Optima 134 HP | Fair price

1.6 CRDi 2 Sportswagon 5dr Diesel

2019
72,578 miles
1.6L Diesel
Estate
Manual
134 HP (98 kW)
CO2 emissions: 123 g CO2/km comb.
52.3 mpg
Details

Fair price

£8,390

Parkers.co.uk

LS10 1TD West Yorkshire, West Yorkshire

1 / 4

Used (2017) Kia Optima 141 HP | Fair price

Sportswagon 3 1.7 CRDi 139bhp ISG

2017
84,996 miles
1.7L Diesel
Estate
Manual
141 HP (103 kW)
CO2 emissions: 113 g CO2/km comb.
4.4 mpg
Details

Fair price

£6,795

Motors.co.uk

CB9 7UU Suffolk, Suffolk

Used (2017) Kia Optima GT-Line S 141 HP | Fair price

1.7 CRDi ISG GT-Line S 5dr DCT

2017
112,364 miles
Trim level: GT-Line S
1.7L Diesel
Estate
Automatic
141 HP (103 kW)
4.6 mpg
Details

Fair price

£7,450

Motors.co.uk

N11 1GN Greater London, London

1 / 1

Used (2019) Kia Optima 136 HP | Fair price

Sportswagon 3 1.6 CRDi 134bhp ISG

2019
66,705 miles
1.6L Diesel
Estate
Manual
136 HP (100 kW)
CO2 emissions: 122 g CO2/km comb.
51.4 mpg
Details

Fair price

£9,695

Parkers.co.uk

ML10 6UB South Lanarkshire, Lanarkshire

1 / 3

Used (2019) Kia Optima 136 HP | Fair price

1.6 CRDi 2 Sportswagon Euro 6

2019
49,987 miles
1.6L Diesel
Estate
Manual
136 HP (100 kW)
CO2 emissions: 123 g CO2/km comb.
52.3 mpg
Details

Fair price

£9,750

Motors.co.uk

S6 1LU Sheffield, South Yorkshire

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Used Mazda 6 Inclusive 184 HP (135 kW) 2018 Silver Estate

(2018) Mazda 6 Inclusive 184 HP

Good price

You save £1,010

PE20 3JN Swineshead, Lincolnshire

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

Carwow

Used Seat Arona XCELLENCE 95 HP (69 kW) 2019 White SUV

(2019) Seat Arona XCELLENCE 95 HP

Fair price

NR3 2AW Norfolk, Norfolk

135 g CO2/km comb. - 95 HP (69 kW) - 5.2 Mpg

Carwow

Used Peugeot 508 GTi 131 HP (96 kW) 2021 Grey Hatchback

(2021) Peugeot 508 GTi 131 HP

Fair price

Estimated price £9,638

SO18 1BH Southampton, Hampshire

98 g CO2/km comb. - 131 HP (96 kW) - 4.8 Mpg

Carwow

Used Hyundai i40 Premium 141 HP (103 kW) 2015 White Sedan

(2015) Hyundai i40 Premium 141 HP

Good price

MK40 4LN Bedford, Bedfordshire

123 g CO2/km comb. - 141 HP (103 kW) - 5.0 Mpg

Showing 1 - 25 of 70 results

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