2018 Vauxhall Astra Tech Line NAV prices
There are 32 used 2018 Vauxhall Astra Tech Line NAV cars for sale from UK dealers on AskCar, as of 8 November 2026. Typical asking price £5,000 (the median: half cost less, half cost more). The cheapest is £2,795. The middle half are priced between £4,300 and £6,500. Median mileage: about 75,000 miles.
Dealers lowered the asking price on more than one in ten of 2018 Vauxhall Astra Tech Line NAV cars: 6 of the 32 in the 14 days to 8 November 2026.
2018 Vauxhall Astra Tech Line NAV against other years
A 2019 Vauxhall Astra Tech Line NAV car has a typical asking price of £6,900, as of 8 November 2026.
AskCar lists 3,991 used Vauxhall Astra across the UK, from 1,891 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.
2018 Vauxhall Astra Tech Line NAV cars for sale now, page 1 of 2
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. 28 of the 30 cars listed here meet these rules. Page 2 lists every other 2018 Vauxhall Astra Tech Line NAV car, cheapest first, including the 2 the groups do not pick from.
The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 3,756 priced Vauxhall Astra adverts on AskCar as of 8 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2018 Vauxhall Astra Tech Line NAV.
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.
This list leaves out 2 cars whose advertised mileage is lower than the mileage recorded at their last MOT test.
Best value 2018 Vauxhall Astra Tech Line NAV: priced furthest below the AskCar estimate
These 10 are priced 3% to 12% under their AskCar estimate. Their asking prices run from £2,795 to £5,995.
- 2018 Vauxhall Astra 1.6 CDTi BlueInjection Tech Line NAV, 134 bhp, automatic, diesel, hatchback, 5 doors, silver. Mileage: 110,000 miles. Price: £3,795, unchanged since AskCar first saw it on 26 September 2026, 43 days ago. Good value: £550 (12%) under the AskCar estimate of £4,345. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 19 November 2025; ask the dealer for the current MOT. Dealer: Myrtle Vehicle Sales in Bristol. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-703f4278d28e
- 2018 Vauxhall Astra 1.6 CDTi ecoTEC BlueInjection Tech Line NAV, 108 bhp, manual, diesel, estate, 5 doors, silver. Mileage: 129,000 miles. Price: £2,795, reduced by £200 from £2,995 since AskCar first saw it on 5 August 2026, 95 days ago. Good value: £342 (10%) under the AskCar estimate of £3,137. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 January 2027. Dealer: White Hall Motors in Birmingham. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-13ef71462ae1
- 2018 Vauxhall Astra 1.4 Tech Line Nav, 99 bhp, manual, petrol, hatchback, 5 doors, red. Mileage: 69,000 miles. Price: £4,685, unchanged since AskCar first saw it on 2 November 2026, 6 days ago. Good value: £559 (10%) under the AskCar estimate of £5,244. Euro 6 emissions standard. ULEZ compliant. Dealer: Excellent Cars in Sheffield. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-4ec7acf8499e
- 2018 Vauxhall Astra 1.4 Tech Line Nav, 99 bhp, manual, petrol, hatchback, 5 doors, red. Mileage: 69,000 miles. Price: £4,685, unchanged since AskCar first saw it on 2 November 2026, 6 days ago. Good value: £559 (10%) under the AskCar estimate of £5,244. Euro 6 emissions standard. ULEZ compliant. Dealer: Excellent Cars in Sheffield. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-d7d7a8624f46
- 2018 Vauxhall Astra 1.4 Tech Line Nav, 99 bhp, manual, petrol, hatchback, 5 doors, black. Mileage: 88,392 miles. Price: £3,995, reduced by £500 from £4,495 since AskCar first saw it on 11 July 2026, 120 days ago. Good value: £466 (10%) under the AskCar estimate of £4,461. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 November 2026. Dealer: JAC Cars in Havering. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-ddbfb7a9a86f
- 2018 Vauxhall Astra 1.4 i Turbo Tech Line NAV, 123 bhp, manual, petrol, hatchback, 5 doors, grey. Mileage: 62,000 miles. Price: £5,695, reduced by £800 from £6,495 since AskCar first saw it on 14 July 2026, 117 days ago. Fair price: £426 (6%) under the AskCar estimate of £6,121. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 5 July 2027. Dealer: Junction 7 Motor Village in Church. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-a856c94d70f2
- 2018 Vauxhall Astra 1.6 CDTi ecoTEC BlueInjection Tech Line NAV, 108 bhp, manual, diesel, hatchback, 5 doors, grey. Mileage: 45,000 miles. Price: £5,995, unchanged since AskCar first saw it on 30 October 2026, 9 days ago. Fair price: £338 (5%) under the AskCar estimate of £6,333. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 20 August 2027. Dealer: Junction 7 Motor Village in Church. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-54379081e71c
- 2018 Vauxhall Astra 1.6 CDTi ecoTEC BlueInjection Tech Line NAV, 108 bhp, manual, diesel, hatchback, 5 doors, blue. Mileage: 71,495 miles. Price: £4,995, reduced by £700 from £5,695 since AskCar first saw it on 28 May 2026, 164 days ago. Fair price: £215 (4%) under the AskCar estimate of £5,210. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 March 2027. Dealer: WMG Trade Centre in Birmingham. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-4e092ae06550
- 2018 Vauxhall Astra 1.6 CDTi ecoTEC BlueInjection Tech Line NAV, 108 bhp, manual, diesel, estate, 5 doors, black. Mileage: 88,000 miles. Price: £4,805, reduced by £1,186 from £5,991 since AskCar first saw it on 23 June 2026, 138 days ago. Fair price: £188 (3%) under the AskCar estimate of £4,993. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 December 2026. Dealer: Lakeview Cars in Biggleswade. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-b2fe848ddc64
- 2018 Vauxhall Astra 1.6 CDTi ecoTEC BlueInjection Tech Line NAV, 108 bhp, manual, diesel, estate, 5 doors, blue. Mileage: 86,500 miles. Price: £4,890, reduced by £500 from £5,390 since AskCar first saw it on 12 September 2026, 57 days ago. Fair price: £165 (3%) under the AskCar estimate of £5,055. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 13 October 2026; ask the dealer for the current MOT. Dealer: Car Deal in Wokingham. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-35b521afd0e1
Cheapest 2018 Vauxhall Astra Tech Line NAV: the lowest asking prices
These 10 are priced £2,795 to £4,685. They have covered 69,000 to 129,000 miles.
- 2018 Vauxhall Astra 1.6 CDTi ecoTEC BlueInjection Tech Line NAV: £2,795, 129,000 miles. Listed in full under best value.
- 2018 Vauxhall Astra 1.6 CDTi ecoTEC BlueInjection Tech Line NAV, 108 bhp, manual, diesel, estate, 5 doors, red. Mileage: 116,000 miles. Price: £3,485, reduced by £500 from £3,985 since AskCar first saw it on 9 June 2026, 152 days ago. Fair price: £12 (under 1%) over the AskCar estimate of £3,473. Euro 6 emissions standard. ULEZ compliant. Dealer: Excellent Cars in Sheffield. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-aeee8ef72b32
- 2018 Vauxhall Astra 1.6 CDTi ecoTEC BlueInjection Tech Line NAV, 108 bhp, manual, diesel, estate, 5 doors, red. Mileage: 116,000 miles. Price: £3,485, unchanged since AskCar first saw it on 25 September 2026, 44 days ago. Fair price: £12 (under 1%) over the AskCar estimate of £3,473. Euro 6 emissions standard. ULEZ compliant. Dealer: Excellent Cars in Sheffield. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-f7f9b1c20d91
- 2018 Vauxhall Astra 1.6 CDTi BlueInjection Tech Line NAV: £3,795, 110,000 miles. Listed in full under best value.
- 2018 Vauxhall Astra 1.4 Tech Line Nav: £3,995, 88,392 miles. Listed in full under best value.
- 2018 Vauxhall Astra 1.4 Tech Line Nav, 99 bhp, manual, petrol, hatchback, 5 doors, grey. Mileage: 93,752 miles. Price: £4,295, unchanged since AskCar first saw it on 28 October 2026, 11 days ago. Fair price: £30 (under 1%) over the AskCar estimate of £4,265. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 25 March 2027. Dealer: Millstone Cars in Selby. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-853a4e220966
- 2018 Vauxhall Astra 1.6 CDTi ecoTEC BlueInjection Tech Line NAV, 108 bhp, manual, diesel, hatchback, 5 doors, white. Mileage: 102,311 miles. Price: £4,295, unchanged since AskCar first saw it on 22 July 2026, 109 days ago. Fair price: £261 (6%) over the AskCar estimate of £4,034. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 June 2027. Dealer: Solhebon Car Hub in Walsall. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-9d56c1427075
- 2018 Vauxhall Astra 1.0 i Turbo ecoTEC Tech Line NAV, 104 bhp, manual, petrol, estate, 5 doors, grey. Mileage: 94,000 miles. Price: £4,490, unchanged since AskCar first saw it on 22 October 2026, 17 days ago. Fair price: £32 (under 1%) under the AskCar estimate of £4,522. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 27 August 2027. Dealer: Next Level Cars in Atherstone. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-6e15dbfa8be0
- 2018 Vauxhall Astra 1.4 Tech Line Nav: £4,685, 69,000 miles. Listed in full under best value.
- 2018 Vauxhall Astra 1.4 Tech Line Nav: £4,685, 69,000 miles. Listed in full under best value.
Lowest-mileage 2018 Vauxhall Astra Tech Line NAV
These 10 have covered 20,000 to 67,000 miles. Their asking prices run from £5,695 to £8,490.
- 2018 Vauxhall Astra 1.0 i Turbo ecoTEC Tech Line NAV, 104 bhp, manual, petrol, estate, 5 doors, grey. Mileage: 20,000 miles. Price: £8,490, unchanged since AskCar first saw it on 25 October 2026, 14 days ago. Above the going rate: £752 (9%) over the AskCar estimate of £7,738. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 29 September 2027. Dealer: Warsop Motor Company in Market Warsop. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-2698b5a60998
- 2018 Vauxhall Astra 1.4 Tech Line Nav, 99 bhp, manual, petrol, hatchback, 5 doors, red. Mileage: 39,713 miles. Price: £7,499, reduced by £200 from £7,699 since AskCar first saw it on 27 October 2026, 12 days ago. Above the going rate: £1,034 (16%) over the AskCar estimate of £6,465. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 18 October 2027. Dealer: cinch Bellevue in Hook. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-5ecc2fa2c557
- 2018 Vauxhall Astra 1.6 CDTi ecoTEC BlueInjection Tech Line NAV: £5,995, 45,000 miles. Listed in full under best value.
- 2018 Vauxhall Astra 1.4 Tech Line NAV, manual, petrol, hatchback, 5 doors, red. Mileage: 48,205 miles. Price: £6,949, reduced by £50 from £6,999 since AskCar first saw it on 30 September 2026, 39 days ago. Fair price: £45 (under 1%) under the AskCar estimate of £6,994. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 8 January 2027. Dealer: BK General and Prestige Cars in Leeds. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-5abd4759c2ea
- 2018 Vauxhall Astra 1.4 Tech Line Nav, 99 bhp, manual, petrol, hatchback, 5 doors, black. Mileage: 51,134 miles. Price: £6,399, reduced by £100 from £6,499 since AskCar first saw it on 12 October 2026, 27 days ago. Fair price: £405 (6%) over the AskCar estimate of £5,994. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 19 January 2027. Dealer: Suffolk Car Sales in Sudbury. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-4b3054695a08
- 2018 Vauxhall Astra 1.4 Tech Line Nav, 99 bhp, manual, petrol, 5 doors, black. Mileage: 52,500 miles. Price: £6,490, unchanged since AskCar first saw it on 17 August 2026, 83 days ago. Fair price: £385 (6%) over the AskCar estimate of £6,105. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 8 June 2027. Dealer: Linke and Lyons Motor Group in Downham Market. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-c45caddce201
- 2018 Vauxhall Astra 1.6 Tech Line NAV, 108 bhp, manual, estate, 5 doors, blue. Mileage: 55,973 miles. Price: £6,550, reduced by £750 from £7,300 since AskCar first saw it on 11 August 2026, 89 days ago. Fair price: £3 (under 1%) under the AskCar estimate of £6,553. Euro 6 emissions standard. MOT: valid until 21 May 2027. Dealer: Advantage Motors in Rotherham. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-3fbe1c4780ac
- 2018 Vauxhall Astra 1.4 i Turbo Tech Line NAV, 123 bhp, manual, petrol, hatchback, 5 doors, black. Mileage: 57,079 miles. Price: £6,495, unchanged since AskCar first saw it on 2 November 2026, 6 days ago. Fair price: £150 (2%) over the AskCar estimate of £6,345. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 September 2027. Dealer: A1 Car Shop in Arlesey. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-12cd4f9b7998
- 2018 Vauxhall Astra 1.4 i Turbo Tech Line NAV: £5,695, 62,000 miles. Listed in full under best value.
- 2018 Vauxhall Astra 1.0 i Turbo ecoTEC Tech Line NAV, 104 bhp, manual, petrol, hatchback, 5 doors, silver. Mileage: 67,000 miles. Price: £6,968, reduced by £200 from £7,168 since AskCar first saw it on 16 October 2026, 23 days ago. Above the going rate: £1,231 (21%) over the AskCar estimate of £5,737. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 25 December 2026. Dealer: Eden Vauxhall Honiton in Honiton. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-f7b6f20b4dae
Recently reduced 2018 Vauxhall Astra Tech Line NAV: the biggest price reductions in the 14 days to 8 November 2026
The dealer lowered the asking price on each of these 5 in the 14 days to 8 November 2026. Their reductions since AskCar first saw them run from £100 to £800.
- 2018 Vauxhall Astra 1.4 i Turbo Tech Line NAV: £5,695, 62,000 miles. Listed in full under best value.
- 2018 Vauxhall Astra 1.6 CDTi ecoTEC BlueInjection Tech Line NAV: £4,995, 71,495 miles. Listed in full under best value.
- 2018 Vauxhall Astra 1.0 i Turbo ecoTEC Tech Line NAV: £6,968, 67,000 miles. Listed in full under lowest mileage.
- 2018 Vauxhall Astra 1.4 Tech Line Nav: £7,499, 39,713 miles. Listed in full under lowest mileage.
- 2018 Vauxhall Astra 1.4 Tech Line Nav: £6,399, 51,134 miles. Listed in full under lowest mileage.
Newly advertised 2018 Vauxhall Astra Tech Line NAV: 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.
- 2018 Vauxhall Astra 1.6 CDTi ecoTEC BlueInjection Tech Line NAV, 108 bhp, manual, diesel, hatchback, 5 doors, blue. Mileage: 77,000 miles. Price: £4,995, unchanged since AskCar first saw it on 6 November 2026, 2 days ago. Fair price: £19 (under 1%) over the AskCar estimate of £4,976. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 5 May 2027. Dealer: AR Auto Sales in Edinburgh. AskCar page: https://askcar.co.uk/car/vauxhall-astra-2018-38ae45f24285
- 2018 Vauxhall Astra 1.4 Tech Line Nav: £4,685, 69,000 miles. Listed in full under best value.
- 2018 Vauxhall Astra 1.4 Tech Line Nav: £4,685, 69,000 miles. Listed in full under best value.
- 2018 Vauxhall Astra 1.4 i Turbo Tech Line NAV: £6,495, 57,079 miles. Listed in full under lowest mileage.
Page 2: every other 2018 Vauxhall Astra Tech Line NAV car, cheapest first
Vauxhall Astra by gearbox, fuel and body
- Automatic Vauxhall Astra (894 cars)
- Manual Vauxhall Astra (3,066 cars)
- Petrol Vauxhall Astra (3,185 cars)
- Diesel Vauxhall Astra (763 cars)
- Plug-in hybrid Vauxhall Astra (33 cars)
- Vauxhall Astra hatchback (2,982 cars)
- Vauxhall Astra estate (820 cars)
- Vauxhall Astra coupe (39 cars)
Vauxhall Astra prices by year
- 2026 (313 cars)
- 2025 (127 cars)
- 2024 (234 cars)
- 2023 (742 cars)
- 2022 (111 cars)
- 2021 (130 cars)
- 2020 (154 cars)
- 2019 (255 cars)
- 2018 (300 cars)
- 2017 (385 cars)
- 2016 (432 cars)
- 2015 (158 cars)
- 2014 (150 cars)
- 2013 (128 cars)
- 2012 (74 cars)
- 2011 (64 cars)
- 2010 (66 cars)
- 2009 (51 cars)
- 2008 (38 cars)
- 2007 (28 cars)
Vauxhall Astra by trim
- Vauxhall Astra GS (877 cars)
- Vauxhall Astra SRI (587 cars)
- Vauxhall Astra Design (381 cars)
- Vauxhall Astra Ultimate (343 cars)
- Vauxhall Astra SRI NAV (249 cars)
- Vauxhall Astra Elite NAV (208 cars)
- Vauxhall Astra Elite (156 cars)
- Vauxhall Astra SRI VX Line NAV (121 cars)
- Vauxhall Astra Griffin (103 cars)
- Vauxhall Astra GS Line (100 cars)
- Vauxhall Astra Tech Line NAV (68 cars)
- Vauxhall Astra Business Edition NAV (67 cars)
- Vauxhall Astra SE (64 cars)
- Vauxhall Astra Energy (57 cars)
- Vauxhall Astra Griffin Edition (53 cars)
- Vauxhall Astra Exclusiv (52 cars)
- Vauxhall Astra Tech Line (44 cars)
- Vauxhall Astra Excite (42 cars)
- Vauxhall Astra Life (26 cars)
- Vauxhall Astra SRI VX Line (24 cars)
- Vauxhall Astra SXI (21 cars)
2018 Vauxhall Astra by price
2018 Vauxhall Astra by trim
- 2018 Vauxhall Astra SRI (61 cars)
- 2018 Vauxhall Astra Design (54 cars)
- 2018 Vauxhall Astra SRI NAV (54 cars)
- 2018 Vauxhall Astra Elite NAV (39 cars)
- 2018 Vauxhall Astra SRI VX Line NAV (22 cars)
Vauxhall Astra by price
- Under £2,000 (223 cars)
- Under £3,000 (527 cars)
- Under £5,000 (1,203 cars)
- Under £8,000 (2,104 cars)
- Under £10,000 (2,390 cars)
- Under £15,000 (3,134 cars)
Vauxhall Astra near you
- In England (3,465 cars)
- In Scotland (275 cars)
- In Wales (155 cars)
- In Northern Ireland (59 cars)
- Near London (402 cars)
- Near Bolton (393 cars)
- Near Barnet (389 cars)
- Near Rochdale (367 cars)
- Near Watford (365 cars)
- Near Warrington (358 cars)
- Near Wigan (354 cars)
- Near Hale (348 cars)
- Near Manchester (338 cars)
- Near Richmond upon Thames (336 cars)
- Near Egham (325 cars)
- Near Hillingdon (302 cars)
- Near Bromley (292 cars)
- Near Burnley (288 cars)
- Near Birmingham (285 cars)
More Vauxhall
- All Vauxhall Astra (3,991 cars)
- All Vauxhall cars and vans (34,788 cars and vans)
- Vauxhall Corsa (9,512 cars)
- Vauxhall Mokka (4,144 cars)
- Vauxhall Vivaro (2,253 vans)
- Vauxhall Grandland (1,972 cars)
- Vauxhall Combo (1,723 vans)
- Vauxhall Mokka X (1,402 cars)
- Vauxhall Grandland X (1,392 cars)
- Vauxhall Crossland (1,204 cars)
- Vauxhall Insignia (1,119 cars)
- Vauxhall Crossland X (797 cars)
- Vauxhall ADAM (722 cars)
- Vauxhall Movano (618 vans)
- Vauxhall Zafira Tourer (485 cars)
- Vauxhall Mokka Electric (426 cars)