Cheapest fuel in Portsmouth
Updated 18 September 2026
The cheapest petrol in Portsmouth is 172.9p a litre at BP, 219, Brockhurst Road, Gosport, and the cheapest diesel is 195.9p at Independent / other, 97, Park Lane, Bedhampton, Havant. Across 4 forecourts in the area, unleaded averages 173.7p.
Filling a 55-litre tank at the cheapest station costs £95.09 — £0.44 less than filling at the Portsmouth average, and £1.10 less than the most expensive forecourt nearby.
- Cheapest unleaded
- 172.9pBP
- Cheapest diesel
- 195.9pIndependent / other
- Portsmouth average
- 173.7p+0.4p vs UK
- Forecourts tracked
- 4within 6 miles
Fuel prices in Portsmouth
Unleaded in Portsmouth averages 173.7p, which is 0.4p above the national average of 173.3p — more expensive than the UK average. Over a year of fortnightly 55-litre fills that is about £6 more than a typical UK driver pays — which makes picking the right forecourt locally worth more here, not less.
The gap between the cheapest and most expensive forecourt in the Portsmouth area is 2.0p a litre. On a 55-litre tank that is £1.10 — the difference between the best and worst choice on the same day, for the same fuel.
Cheapest forecourts in Portsmouth right now
Cheapest petrol in Portsmouth
4 forecourts in the area publish an unleaded price, averaging 173.7p a litre.
| # | Station | Unleaded | 55-litre tank |
|---|---|---|---|
| 1 | BP | 172.9p | £95.09 |
| 2 | Independent / other | 172.9p | £95.09 |
| 3 | Esso | 173.9p | £95.64 |
| 4 | Esso | 174.9p | £96.19 |
Cheapest super unleaded petrol in Portsmouth
4 forecourts in the area publish a super unleaded price, averaging 190.4p a litre.
| # | Station | Super unleaded | 55-litre tank |
|---|---|---|---|
| 1 | Independent / other | 188.9p | £103.89 |
| 2 | Esso | 189.9p | £104.44 |
| 3 | Esso | 189.9p | £104.44 |
| 4 | BP | 192.9p | £106.09 |
Cheapest diesel in Portsmouth
4 forecourts in the area publish a diesel price, averaging 200.2p a litre.
| # | Station | Diesel | 55-litre tank |
|---|---|---|---|
| 1 | Independent / other | 195.9p | £107.75 |
| 2 | Esso | 199.9p | £109.94 |
| 3 | Esso | 199.9p | £109.94 |
| 4 | BP | 204.9p | £112.69 |
About fuel in Portsmouth
Portsmouth's island geography concentrates forecourts along the M275 approach and the A2030, where supermarket sites set the pace on price.
Forecourts in the Portsmouth area are operated by Esso (2), BP (1), Independent / other (1).
Portsmouth sits in Hampshire, in the South East region. This page covers forecourts within about 6 miles of the town centre, which is the realistic detour range for a fill-up.
Fuel prices in nearby towns
Forecourts compete across town boundaries, so a neighbouring town is often worth a look — especially if you are passing through anyway.
Questions
Fuel prices in Portsmouth — FAQ
Where is the cheapest petrol in Portsmouth?
BP, 219, Brockhurst Road, Gosport is currently the cheapest at 172.9p a litre for unleaded. The five cheapest forecourts in the area are BP 219, Brockhurst Road, Gosport (172.9p), Independent / other 97, Park Lane, Bedhampton, Havant (172.9p), Esso Portsmouth (173.9p), Esso Cosham (174.9p). Prices change daily — the live map always shows the current figure.
How much is petrol in Portsmouth?
Unleaded averages 173.7p a litre (£1.74) across 4 forecourts in the Portsmouth area, ranging from 172.9p to 174.9p. Filling a 55-litre tank at the local average costs £95.53.
How much is diesel in Portsmouth?
Diesel averages 200.2p a litre across 4 forecourts in the Portsmouth area. The cheapest is 195.9p at Independent / other, 97, Park Lane, Bedhampton, Havant, and the most expensive nearby is 204.9p.
Is fuel cheaper in Portsmouth than the rest of the UK?
Portsmouth averages 173.7p for unleaded against a UK average of 173.3p — +0.4p the national figure. See how much petrol costs across the UK for the full regional picture.
How do I get alerts when fuel gets cheaper in Portsmouth?
Save your regular forecourts as favourites in the free CheapestFuel iOS app and turn on price-drop notifications. You will get a push alert when one of them cuts its price.
Never overpay in Portsmouth again
Save your local forecourts as favourites and get a push alert the moment one of them drops its price.
Prices are aggregated from retailers' published fuel price feeds under the UK government's open fuel price scheme, which covers Great Britain only. Last updated 18 September 2026. Figures are indicative and can change without notice — always check the price displayed at the pump before filling up. See our privacy policy for how we handle data.