The 1958 Portuguese Grand Prix was a Formula One motor race held at Circuito da Boavista, Oporto on 24 August 1958. It was race 9 of 11 in the 1958 World Championship of Drivers and race 8 of 10 in the 1958 International Cup for Formula One Manufacturers.
Mike Hawthorn was initially disqualified for restarting his car against the direction of the circuit, losing seven points. However, Championship rival Stirling Moss had seen the incident which caused the disqualification and went to the judges to revert the decision since he felt Hawthorn had done nothing wrong. Eventually, Hawthorn was classified and retained his seven points.
Classification
Qualifying
{| class="wikitable sortable" style="font-size: 95%"
|-
! Pos
! No
! Driver
! Constructor
! Time
! Gap
|-
!1
| 2
| Stirling Moss
| Vanwall
| 2:34.2
| align="center" |—
|-
!2
| 24
| Mike Hawthorn
| Ferrari
| 2:34.2
| +0.0
|-
!3
| 6
| Stuart Lewis-Evans
| Vanwall
| 2:34.6
| +0.4
|-
!4
| 8
| Jean Behra
| BRM
| 2:34.9
| +0.7
|-
!5
| 4
| Tony Brooks
| Vanwall
| 2:35.9
| +1.7
|-
!6
| 22
| Wolfgang von Trips
| Ferrari
| 2:37.0
| +2.8
|-
!7
| 10
| Harry Schell
| BRM
| 2:37.0
| +2.8
|-
!8
| 14
| Jack Brabham
| Cooper-Climax
| 2:37.4
| +3.2
|-
!9
| 12
| Maurice Trintignant
| Cooper-Climax
| 2:37.9
| +3.7
|-
!10
| 28
| Carroll Shelby
| Maserati
| 2:40.4
| +6.2
|-
!11
| 16
| Roy Salvadori
| Cooper-Climax
| 2:43.0
| +8.8
|-
!12
| 20
| Graham Hill
| Lotus-Climax
| 2:46.2
| +12.0
|-
!13
| 18
| Cliff Allison
| Maserati
| 2:46.2
| +12.0
|-
!14
| 32
| Jo Bonnier
| Maserati
| 2:46.6
| +12.4
|-
!15
| 30
| Maria Teresa de Filippis
| Maserati
| 3:01.9
| +27.7
|-
! colspan="6" | Source:
|}
Race
{| class="wikitable" style="font-size: 95%;"
|-
! Pos !! No !! Driver !! Constructor !! Laps !! Time/Retired !! Grid !! Points
|-
! 1
| 2
| Stirling Moss
| Vanwall
| 50
| 2:11:27.80
| 1
| 8
|-
! 2
| 24
| Mike Hawthorn
| Ferrari
| 50
| + 5:12.75
| 2
| 7
|-
! 3
| 6
| Stuart Lewis-Evans
| Vanwall
| 49
| + 1 lap
| 3
| 4
|-
! 4
| 8
| Jean Behra
| BRM
| 49
| + 1 lap
| 4
| 3
|-
! 5
| 22
| Wolfgang von Trips
| Ferrari
| 49
| + 1 lap
| 6
| 2
|-
! 6
| 10
| Harry Schell
| BRM
| 49
| + 1 lap
| 7
|
|-
! 7
| 14
| Jack Brabham
| Cooper-Climax
| 48
| + 2 laps
| 8
|
|-
! 8
| 12
| Maurice Trintignant
| Cooper-Climax
| 48
| + 2 laps
| 9
|
|-
! 9
| 16
| Roy Salvadori
| Cooper-Climax
| 46
| + 4 laps
| 11
|
|-
!
| 28
| Carroll Shelby
| Maserati
| 47
| Brakes
| 10
|
|-
!
| 4
| Tony Brooks
| Vanwall
| 37
| Spun off
| 5
|
|-
!
| 20
| Graham Hill
| Lotus-Climax
| 25
| Spun off
| 12
|
|-
!
| 18
| Cliff Allison
| Maserati
| 15
| Engine
| 13
|
|-
!
| 32
| Jo Bonnier
| Maserati
| 9
| Physical
| 14
|
|-
!
| 30
| Maria Teresa de Filippis
| Maserati
| 6
| Engine
| 15
|
|-
!
| 26
| Phil Hill
| Ferrari
|
|
|
|
|-
!
| 34
| Casimiro de Oliveira
| Maserati
|
|
|
|
|-
!colspan="8"|
|}
;Notes
- – Includes 1 point for fastest lap
Championship standings after the race
;Drivers' Championship standings
{| class="wikitable" style="font-size: 95%;"
|-
!
!Pos
!Driver
!Points
|-
|align="left"| 10px
|align="center"| 1
| Mike Hawthorn
|align="left"| 36 (37)
|-
|align="left"| 10px
|align="center"| 2
| Stirling Moss
|align="left"| 32
|-
|align="left"| 10px
|align="center"| 3
| Tony Brooks
|align="left"| 16
|-
|align="left"| 10px
|align="center"| 4
| Peter Collins
|align="left"| 14
|-
|align="left"| 10px
|align="center"| 5
| Roy Salvadori
|align="left"| 13
|-
!colspan=4|Source:
|}
;Constructors' Championship standings
{|class="wikitable" style="font-size: 95%;"
|-
!
! Pos
! Constructor
! Points
|-
|align="left"| 10px 1
|align="center"| 1
| Vanwall
|align="left"| 41
|-
|align="left"| 10px 1
|align="center"| 2
| Ferrari
|align="left"| 40 (45)
|-
|align="left"| 10px
|align="center"| 3
| Cooper-Climax
|align="left"| 29
|-
|align="left"| 10px
|align="center"| 4
| BRM
|align="left"| 15
|-
|align="left"| 10px
|align="center"| 5
| Maserati
|align="left"| 6
|-
!colspan=4|Source: