Price comparison
Sainsbury's vs Tesco petrol prices
Live averages across 315 Sainsbury's and 499 Tesco forecourts reporting through the official UK fuel price scheme.
Tesco is currently cheaper on average for unleaded (E10): Sainsbury's averages £7.91 a gallon (173.9p) across 315 stations, against £7.88 (173.4p) across 499 Tesco stations. That gap of 0.5p per litre is worth about £0.25 on a 50-litre fill.
Prices last refreshed at 12:31am on 6 October 2026, supplied through the official UK Government fuel price open data scheme.
| Grade | Sainsbury's | Tesco | Difference |
|---|---|---|---|
| Unleaded (E10) | 173.9p (315) | 173.4p (499) | +0.5p |
| Diesel (B7) | 197.9p (315) | 197.6p (499) | +0.3p |
| Premium Unleaded (E5) | 185.9p (291) | 184.0p (447) | +1.9p |
Station counts per grade in brackets. A brand's average reflects where its stations are located as well as its pricing policy: a motorway-heavy network naturally averages higher than a supermarket one.
Cheapest Sainsbury's unleaded in the UK
| Station | Unleaded | Diesel | Premium | Super diesel | Updated |
|---|---|---|---|---|---|
 Sainsburys Dewsbury (WF12 8EB)Railway Street, Dewsbury, Dewsbury | £7.59166.9p | ---- | ---- | ---- | |
| Sainsburys Ballymena (BT42 3AG)4 Braidwater Retail Park, Larne Road Link, Ballymena, Ballymena | £7.59166.9p | ---- | ---- | ---- | |
| Sainsburys Dunstable (LU5 4RF)2-8 Luton Road, Dunstable, Dunstable | £7.59166.9p | ---- | ---- | ---- | |
| Sainsburys Bangor (BT19 7HJ)10 Balloo Link, Bangor, Bangor | £7.59166.9p | ---- | ---- | ---- | |
| Sainsburys Enfield (EN1 1TH)3 Crown Road, Enfield, Enfield | £7.63167.9p | ---- | ---- | ---- |
Cheapest Tesco unleaded in the UK
| Station | Unleaded | Diesel | Premium | Super diesel | Updated |
|---|---|---|---|---|---|
 Yorkgate Centre Superstore - Petrol Filling Station (BT15 1WA)100-150 York ST, Belfast, Belfast | £7.36161.9p | ---- | ---- | ---- | |
| Springhill Superstore - Petrol Filling Station (BT19 1ND)Tesco Garage, Unit 19, Springhill Retail Park, Bangor, Bangor | £7.45163.9p | ---- | ---- | ---- | |
| Newtownards Extra - Petrol Filling Station (BT23 4XE)Tesco, 1 Castlebawn Drive, Newtownards, Newtownards | £7.50164.9p | ---- | ---- | ---- | |
| Banbridge Superstore - Petrol Filling Station (BT32 4AX)25A Castlewellan Road, Banbridge, Banbridge | £7.50164.9p | ---- | ---- | ---- | |
| Bangor Superstore - Petrol Filling Station (BT19 7HB)Unit 1 Bloomfield Shopping Centre, South Circular Road, Bangor, Bangor | £7.50164.9p | ---- | ---- | ---- |
Compare prices near you instead
National averages tell you which brand tends to be cheaper; your postcode tells you which station actually is. Search your area to compare every nearby forecourt, whatever the brand.
Questions about Sainsbury's vs Tesco
- Is Sainsbury's or Tesco cheaper for petrol?
- Tesco is currently cheaper on average for unleaded (E10): Sainsbury's averages £7.91 a gallon (173.9p per litre) across 315 stations, against £7.88 (173.4p) across 499 Tesco stations, a gap of 0.5p per litre (about £0.25 on a 50-litre fill). Prices last refreshed at 12:31am on 6 October 2026 from official UK Government fuel price data.
- How is this Sainsbury's vs Tesco comparison calculated?
- Each figure is the mean of the live prices reported by every Sainsbury's or Tesco forecourt through the official UK Government fuel price open data scheme, refreshed every 30 minutes. A brand's average reflects where its stations are located as well as its pricing policy.