New Jersey diesel prices today
New Jersey diesel prices todayDiesel averages $6.38 a gallon in New Jersey on 2 October 2026 — the 23rd most expensive of 51 states, and down $0.06 on the week.
New Jersey against the other states
$0.02 a gallon above the unweighted mean of AAA's 51 state averages ($6.36). The cheapest diesel is in Texas at $5.79, the dearest in California at $8.38.
Regular gas in New Jersey is $4.32, so diesel costs $2.05 more per gallon — and more than premium at $5.18.
Tax on a gallon of diesel
$0.24 federal + $0.52 New Jersey · 9th highest of 51. The rest — about $5.61 — is the fuel itself, refining, distribution and the retailer’s margin.
Rates as of 1 January 2026. Local taxes, where they apply, are not included.
Diesel prices by city in New Jersey
AAA's diesel averages for 11 New Jersey metro areas, cheapest first — $0.15 a gallon between the two ends.
| Metro area | Diesel | vs state |
|---|---|---|
| Camden & South Jersey | $6.29 | −$0.08 |
| Trenton | $6.33 | −$0.05 |
| Vineland | $6.33 | −$0.05 |
| Atlantic City | $6.35 | −$0.03 |
| Bergen & Passaic Counties | $6.39 | +$0.01 |
| Warren County | $6.39 | +$0.01 |
| Middlesex, Somerset & Hunterdon Counties | $6.39 | +$0.01 |
| Monmouth & Ocean Counties | $6.41 | +$0.03 |
| Parsippany & Troy Hills | $6.41 | +$0.04 |
| Newark | $6.44 | +$0.06 |
| Cape May | $6.45 | +$0.07 |
Show the data as a table
What a diesel fill-up costs in New Jersey
- Diesel car or SUV — 18 gal$114.80
- Heavy-duty pickup — 34 gal$216.85
- Box truck — 60 gal$382.68
- Semi truck, two tanks — 250 gal$1,594.50
Diesel in neighbouring states
More for New Jersey
Frequently asked questions
How much is diesel in New Jersey today?
$6.38 a gallon, AAA's New Jersey average for 2 October 2026 — the 23rd most expensive of 51 states. Regular gasoline is $4.32, so diesel costs $2.05 more per gallon.
Are diesel prices going up in New Jersey?
Diesel is down $0.06 (0.9%) on a week ago, and up $2.77 on a year ago, when it was $3.61, on AAA's own earlier averages.
Where is diesel cheapest in New Jersey?
Of the 11 metro areas AAA reports in New Jersey, Camden & South Jersey has the cheapest diesel at $6.29 a gallon and Cape May the dearest at $6.45. Individual stations vary around these averages.
How much is the diesel tax in New Jersey?
$0.76 a gallon: $0.24 federal plus $0.52 in New Jersey state taxes and fees, the 9th highest of 51. The state average is $0.36. Rates as of 1 January 2026.