Full year · 52 weeks
Petrol prices in 2020
Regular 91 averaged 191.5c a litre in 2020, diesel 120.8c.
The year in numbers
Lockdown-era crude, US$42 a barrel on average, pulled 2020 down −18.4c; 91 averaged 191.5c and diesel 120.8c. 91 began 2020 at 223.1c and finished at 184.9c (25 December), with 224.4c on 10 January the top and 179.3c on 20 March the bottom. One week stands out each way: +6.1c up on 3 January, −19.4c down on 13 March.
Cost and margin
Import side, 2020: crude US$42 a barrel, exchange rate US65.0 cents. In 2020 the 91 margin averaged 30.9c a litre by MBIE's estimate. 2020's premium-grade surcharge averaged 17.1c.
Tax and diesel
The government share of a 2020 litre of 91 averaged 110.7c, or 58%. The 91 tax line moved in 2020: 77.2c to 79.7c in the week to 3 July; 79.7c to 80.7c in the week to 10 July. 2020 diesel: 70.7c under 91 per litre on average. 148.9c on 10 January topped the diesel year; 110.1c on 18 September was its floor.
Every week of 2020
| Week to | 91 | 95 | Diesel |
|---|---|---|---|
| 25 Dec 2020 | 184.9 | 202.8 | 114.2 |
| 18 Dec 2020 | 188.2 | 206.1 | 114.2 |
| 11 Dec 2020 | 189.7 | 207.5 | 114.2 |
| 4 Dec 2020 | 188.0 | 205.8 | 114.2 |
| 27 Nov 2020 | 185.6 | 203.5 | 111.9 |
| 20 Nov 2020 | 185.9 | 203.8 | 110.3 |
| 13 Nov 2020 | 187.2 | 205.1 | 111.2 |
| 6 Nov 2020 | 185.9 | 203.8 | 112.3 |
| 30 Oct 2020 | 186.4 | 204.2 | 114.1 |
| 23 Oct 2020 | 186.9 | 204.8 | 115.2 |
| 16 Oct 2020 | 186.7 | 204.5 | 114.9 |
| 9 Oct 2020 | 185.3 | 203.2 | 114.1 |
| 2 Oct 2020 | 188.3 | 205.5 | 115.5 |
| 25 Sep 2020 | 185.9 | 202.1 | 111.5 |
| 18 Sep 2020 | 184.4 | 200.7 | 110.1 |
| 11 Sep 2020 | 187.3 | 203.6 | 113.0 |
| 4 Sep 2020 | 189.1 | 205.3 | 115.5 |
| 28 Aug 2020 | 189.1 | 205.3 | 116.7 |
| 21 Aug 2020 | 186.2 | 202.4 | 113.8 |
| 14 Aug 2020 | 185.0 | 201.3 | 112.7 |
| 7 Aug 2020 | 185.9 | 202.1 | 114.8 |
| 31 Jul 2020 | 188.2 | 204.4 | 118.5 |
| 24 Jul 2020 | 186.5 | 202.7 | 116.2 |
| 17 Jul 2020 | 185.0 | 201.3 | 115.4 |
| 10 Jul 2020 | 184.4 | 200.7 | 113.2 |
| 3 Jul 2020 | 186.0 | 202.6 | 116.6 |
| 26 Jun 2020 | 185.4 | 203.1 | 120.1 |
| 19 Jun 2020 | 185.4 | 203.1 | 120.7 |
| 12 Jun 2020 | 185.4 | 203.1 | 118.3 |
| 5 Jun 2020 | 185.4 | 203.1 | 117.4 |
| 29 May 2020 | 183.2 | 201.0 | 115.4 |
| 22 May 2020 | 183.5 | 201.3 | 116.5 |
| 15 May 2020 | 184.1 | 201.8 | 117.1 |
| 8 May 2020 | 182.3 | 200.1 | 115.4 |
| 1 May 2020 | 181.5 | 199.2 | 114.5 |
| 24 Apr 2020 | 180.3 | 198.1 | 113.4 |
| 17 Apr 2020 | 180.3 | 198.1 | 113.4 |
| 10 Apr 2020 | 180.3 | 198.1 | 113.4 |
| 3 Apr 2020 | 180.0 | 197.5 | 112.7 |
| 27 Mar 2020 | 179.3 | 196.0 | 110.9 |
| 20 Mar 2020 | 179.3 | 196.0 | 110.9 |
| 13 Mar 2020 | 192.0 | 208.7 | 125.4 |
| 6 Mar 2020 | 211.4 | 228.1 | 141.3 |
| 28 Feb 2020 | 213.2 | 230.0 | 144.4 |
| 21 Feb 2020 | 214.1 | 230.9 | 145.3 |
| 14 Feb 2020 | 214.7 | 231.4 | 145.9 |
| 7 Feb 2020 | 214.7 | 231.4 | 145.9 |
| 31 Jan 2020 | 216.4 | 233.2 | 145.9 |
| 24 Jan 2020 | 221.3 | 238.1 | 146.4 |
| 17 Jan 2020 | 222.9 | 239.7 | 148.0 |
| 10 Jan 2020 | 224.4 | 241.1 | 148.9 |
| 3 Jan 2020 | 223.1 | 239.8 | 147.0 |
Common questions on 2020
Average cost of a litre in 2020?
2020's 52 MBIE weeks give 191.5c for 91, 208.6c for 95 and 120.8c for diesel.
2020 record week for 91?
10 January 2020 for 91 at 224.4c; 10 January 2020 for diesel at 148.9c.