Full year · 53 weeks
Petrol prices in 2021
Regular 91 averaged 221.4c a litre in 2021, diesel 147.5c.
How 2021 went
Fuel got dearer through most of 2021: 91 started at 186.4c, peaked at 251.5c on 5 November and averaged 221.4c, +29.9c on 2020. Opening week 186.4c, closing week 244.8c: in between, 251.5c on 5 November and 186.4c on 1 January, a 65.2c spread. Largest moves in a single week of 2021: +6.0c (8 January) and −3.9c (29 January).
Behind the price
MBIE's Dubai benchmark averaged US$69 in 2021; one NZ dollar bought US70.8 cents. The 91 importer margin averaged 25.6c over 2021. 95 averaged 17.8c over 91 through 2021.
What went to tax
Tax lines removed, 55% of the 2021 price goes: 120.9c a litre of 91. Excise and levies on 91 stayed at 80.7c in 2021. For 2021, 91 ran 73.9c above diesel. Diesel's range in 2021: 116.2c (1 January) up to 175.3c (5 November).
Every week of 2021
| Week to | 91 | 95 | Diesel |
|---|---|---|---|
| 31 Dec 2021 | 244.8 | 261.1 | 172.4 |
| 24 Dec 2021 | 243.5 | 259.5 | 172.3 |
| 17 Dec 2021 | 243.5 | 259.5 | 172.3 |
| 10 Dec 2021 | 246.4 | 262.4 | 172.3 |
| 3 Dec 2021 | 248.5 | 264.6 | 172.3 |
| 26 Nov 2021 | 248.5 | 264.6 | 172.3 |
| 19 Nov 2021 | 251.5 | 267.6 | 175.3 |
| 12 Nov 2021 | 251.5 | 267.6 | 175.3 |
| 5 Nov 2021 | 251.5 | 267.6 | 175.3 |
| 29 Oct 2021 | 249.4 | 265.4 | 174.2 |
| 22 Oct 2021 | 244.4 | 260.4 | 168.7 |
| 15 Oct 2021 | 239.5 | 255.5 | 163.3 |
| 8 Oct 2021 | 234.7 | 250.8 | 158.6 |
| 1 Oct 2021 | 231.5 | 248.1 | 156.0 |
| 24 Sep 2021 | 231.6 | 248.7 | 157.2 |
| 17 Sep 2021 | 230.1 | 247.1 | 155.0 |
| 10 Sep 2021 | 229.2 | 246.2 | 153.7 |
| 3 Sep 2021 | 229.8 | 246.8 | 154.3 |
| 27 Aug 2021 | 228.0 | 245.1 | 152.6 |
| 20 Aug 2021 | 226.7 | 243.8 | 151.3 |
| 13 Aug 2021 | 227.3 | 244.3 | 151.3 |
| 6 Aug 2021 | 228.3 | 245.4 | 153.3 |
| 30 Jul 2021 | 224.7 | 241.8 | 150.3 |
| 23 Jul 2021 | 223.1 | 240.2 | 147.7 |
| 16 Jul 2021 | 224.9 | 241.9 | 149.4 |
| 9 Jul 2021 | 224.6 | 241.6 | 149.2 |
| 2 Jul 2021 | 223.5 | 241.4 | 148.2 |
| 25 Jun 2021 | 223.7 | 242.8 | 147.8 |
| 18 Jun 2021 | 220.7 | 239.8 | 145.7 |
| 11 Jun 2021 | 217.7 | 236.7 | 144.8 |
| 4 Jun 2021 | 215.5 | 234.6 | 142.7 |
| 28 May 2021 | 213.2 | 232.2 | 142.0 |
| 21 May 2021 | 211.5 | 230.5 | 139.7 |
| 14 May 2021 | 211.5 | 230.5 | 139.7 |
| 7 May 2021 | 210.6 | 229.6 | 138.6 |
| 30 Apr 2021 | 209.4 | 228.5 | 135.7 |
| 23 Apr 2021 | 209.0 | 228.0 | 135.3 |
| 16 Apr 2021 | 206.0 | 225.0 | 132.3 |
| 9 Apr 2021 | 205.4 | 224.4 | 131.7 |
| 2 Apr 2021 | 204.6 | 223.7 | 131.9 |
| 26 Mar 2021 | 203.5 | 222.8 | 132.1 |
| 19 Mar 2021 | 206.6 | 225.8 | 132.1 |
| 12 Mar 2021 | 207.1 | 226.4 | 132.6 |
| 5 Mar 2021 | 205.7 | 224.9 | 130.6 |
| 26 Feb 2021 | 202.9 | 222.2 | 129.1 |
| 19 Feb 2021 | 201.5 | 220.7 | 129.1 |
| 12 Feb 2021 | 200.1 | 219.3 | 127.7 |
| 5 Feb 2021 | 195.3 | 214.5 | 123.0 |
| 29 Jan 2021 | 195.6 | 214.8 | 124.4 |
| 22 Jan 2021 | 199.5 | 218.7 | 129.1 |
| 15 Jan 2021 | 197.2 | 216.4 | 126.8 |
| 8 Jan 2021 | 192.4 | 211.5 | 122.1 |
| 1 Jan 2021 | 186.4 | 203.9 | 116.2 |
2021, answered
What did 91 average in 2021?
91 221.4c, 95 239.2c, diesel 147.5c: the mean of 53 weeks.
Top price for petrol in 2021?
91 peaked at 251.5c in the week to 5 November 2021; diesel at 175.3c in the week to 5 November 2021.