Full year · 52 weeks
Petrol prices in 2025
Regular 91 averaged 258.7c a litre in 2025, diesel 189.8c.
How 2025 went
MBIE's importer margin on 91 averaged 40.3c in 2025, wider than in any earlier year of the series, while 91 itself averaged 258.7c. From 264.7c in the week to 3 January, 91 reached 270.6c by 24 January, fell as low as 248.3c on 13 June and ended at 260.9c. +4.5c in the week to 27 June was the year's biggest weekly rise; −2.7c to 18 April its biggest fall.
Behind the price
Import side, 2025: crude US$69 a barrel, exchange rate US58.2 cents. Margin between import cost and pump, 2025 average for 91: 40.3c. 15.3c: the 2025 gap from 91 up to 95.
What went to tax
In 2025, each litre of 91 carried 123.8c of tax: 48% of the pump price. Every week of 2025 carried the same 77.4c tax line. Diesel was 68.9c cheaper than 91 on average in 2025, RUC aside. Diesel's low was 178.1c on 13 June, its high 200.7c on 31 January.
Every week of 2025
| Week to | 91 | 95 | Diesel |
|---|---|---|---|
| 26 Dec 2025 | 260.9 | 274.2 | 193.4 |
| 19 Dec 2025 | 262.7 | 275.6 | 195.2 |
| 12 Dec 2025 | 263.6 | 276.4 | 195.7 |
| 5 Dec 2025 | 263.3 | 276.2 | 196.1 |
| 28 Nov 2025 | 263.7 | 276.6 | 196.6 |
| 21 Nov 2025 | 262.7 | 275.6 | 195.6 |
| 14 Nov 2025 | 261.1 | 274.0 | 193.6 |
| 7 Nov 2025 | 260.0 | 272.8 | 191.6 |
| 31 Oct 2025 | 258.2 | 271.2 | 190.1 |
| 24 Oct 2025 | 258.0 | 270.7 | 189.8 |
| 17 Oct 2025 | 257.9 | 270.7 | 189.6 |
| 10 Oct 2025 | 257.8 | 270.8 | 189.5 |
| 3 Oct 2025 | 256.8 | 270.8 | 188.6 |
| 26 Sep 2025 | 254.9 | 270.5 | 186.9 |
| 19 Sep 2025 | 254.9 | 270.4 | 186.9 |
| 12 Sep 2025 | 254.7 | 270.2 | 186.3 |
| 5 Sep 2025 | 253.4 | 269.7 | 185.3 |
| 29 Aug 2025 | 252.6 | 268.8 | 184.4 |
| 22 Aug 2025 | 251.6 | 267.9 | 184.0 |
| 15 Aug 2025 | 252.7 | 269.2 | 184.9 |
| 8 Aug 2025 | 254.1 | 270.3 | 185.9 |
| 1 Aug 2025 | 253.9 | 270.5 | 185.4 |
| 25 Jul 2025 | 254.1 | 270.7 | 185.0 |
| 18 Jul 2025 | 253.9 | 270.3 | 184.5 |
| 11 Jul 2025 | 254.9 | 270.8 | 184.7 |
| 4 Jul 2025 | 256.1 | 271.9 | 185.5 |
| 27 Jun 2025 | 255.2 | 272.3 | 184.3 |
| 20 Jun 2025 | 250.7 | 268.0 | 179.9 |
| 13 Jun 2025 | 248.3 | 265.8 | 178.1 |
| 6 Jun 2025 | 248.9 | 265.9 | 178.6 |
| 30 May 2025 | 250.4 | 267.4 | 180.2 |
| 23 May 2025 | 251.2 | 268.1 | 180.8 |
| 16 May 2025 | 251.7 | 268.7 | 181.6 |
| 9 May 2025 | 253.0 | 269.7 | 183.3 |
| 2 May 2025 | 254.2 | 271.0 | 185.6 |
| 25 Apr 2025 | 255.5 | 272.1 | 186.8 |
| 18 Apr 2025 | 257.3 | 273.8 | 188.5 |
| 11 Apr 2025 | 260.0 | 276.4 | 191.4 |
| 4 Apr 2025 | 261.2 | 277.4 | 192.5 |
| 28 Mar 2025 | 261.2 | 276.3 | 193.2 |
| 21 Mar 2025 | 261.7 | 277.2 | 194.3 |
| 14 Mar 2025 | 263.9 | 279.2 | 195.2 |
| 7 Mar 2025 | 266.3 | 281.5 | 197.0 |
| 28 Feb 2025 | 267.7 | 283.0 | 198.5 |
| 21 Feb 2025 | 268.4 | 283.4 | 198.8 |
| 14 Feb 2025 | 268.8 | 283.9 | 199.3 |
| 7 Feb 2025 | 269.4 | 284.6 | 200.0 |
| 31 Jan 2025 | 270.4 | 285.7 | 200.7 |
| 24 Jan 2025 | 270.6 | 285.8 | 200.0 |
| 17 Jan 2025 | 268.2 | 283.6 | 197.1 |
| 10 Jan 2025 | 265.7 | 281.5 | 194.1 |
| 3 Jan 2025 | 264.7 | 280.6 | 193.2 |
Two questions on 2025
What did fuel cost in 2025, on average?
258.7c for 91 across 2025; diesel 189.8c, 95 274.0c.
Peak week of 2025?
The 91 high was 270.6c (24 January 2025); diesel's was 200.7c (31 January 2025).