DriverDB Logo
cover
William Siverholm Photo by Porsche Sverige
Porsche Sverige
William Siverholm helmet photo
William
Siverholm
flag
Porsche Carrera Cup Scandinavia

Driver Information

nationality
Swedish
age
20
birthday
2005-09-01
helmet

Driver Information

nationality
Swedish
age
20
birthday
2005-09-01
helmet

Driver Stats

races started
60
races entered
61
wins
17
podiums
35
pole positions
21
fastest laps
22
race win percentage
28.3%
podium percentage
58.3%
driverdb score
1,630

DriverDB Score History

DRIVERDB SCORE
1,630
2021/06/20: 
William Siverholm: 
1499.6

Recent Results

date
series
circuit
nation
grid
position
points
20
Sep '25
Porsche Carrera Cup Scandinavia
Mantorp
flag
1
1
20
Sep '25
Porsche Carrera Cup Scandinavia
Mantorp
flag
1
2
06
Sep '25
Porsche Carrera Cup Scandinavia
Rudskogen
flag
2
4
06
Sep '25
Porsche Carrera Cup Scandinavia
Rudskogen
flag
2
4
16
Aug '25
Porsche Carrera Cup Scandinavia
Karlskoga
flag
4
3
16
Aug '25
Porsche Carrera Cup Scandinavia
Karlskoga
flag
1
2

Competitors

Mattias Kjellin profile photo
Mattias
Kjellin
se
age
51
wins
0
poles
0
races
10
podiums
0
fastest laps
0
Ole Petersen profile photo
Ole
Petersen
dk
age
wins
23
poles
4
races
166
podiums
81
fastest laps
32
Prince Carl Philip Bernadotte profile photo
Prince Carl Philip
Bernadotte
se
age
45
wins
12
poles
1
races
180
podiums
21
fastest laps
2
Kjell Lejonkrans profile photo
Kjell
Lejonkrans
se
age
50
wins
1
poles
0
races
43
podiums
2
fastest laps
0
Robin Knutsson profile photo
Robin
Knutsson
se
age
22
wins
4
poles
1
races
73
podiums
14
fastest laps
2
Gustav Bergström profile photo
Gustav
Bergström
se
age
21
wins
2
poles
0
races
66
podiums
9
fastest laps
0
Wilmer Wallenstam profile photo
Wilmer
Wallenstam
se
age
wins
5
poles
2
races
18
podiums
7
fastest laps
5
Gustav Krogh profile photo
Gustav
Krogh
dk
age
21
wins
0
poles
0
races
12
podiums
2
fastest laps
0
Sebastian Eriksson profile photo
Sebastian
Eriksson
se
age
wins
poles
races
podiums
fastest laps
Prince Carl Philip Bernadotte profile photo
Prince Carl Philip
Bernadotte
se
age
45
wins
12
poles
1
races
180
podiums
21
fastest laps
2
Kjell Lejonkrans profile photo
Kjell
Lejonkrans
se
age
50
wins
1
poles
0
races
43
podiums
2
fastest laps
0
Anders Steiner profile photo
Anders
Steiner
se
age
wins
0
poles
0
races
2
podiums
0
fastest laps
0
Silas Rytter profile photo
Silas
Rytter
dk
age
wins
3
poles
1
races
60
podiums
11
fastest laps
1
Anders Steiner profile photo
Anders
Steiner
se
age
wins
0
poles
0
races
2
podiums
0
fastest laps
0
Christoffer Bergström profile photo
Christoffer
Bergström
se
age
54
wins
6
poles
3
races
196
podiums
21
fastest laps
5
Thomas Karlsson profile photo
Thomas
Karlsson
se
age
59
wins
3
poles
0
races
149
podiums
10
fastest laps
0
Albin Wärnelöv profile photo
Albin
Wärnelöv
se
age
36
wins
0
poles
2
races
159
podiums
20
fastest laps
2
Elias Adestam profile photo
Elias
Adestam
se
age
18
wins
15
poles
3
races
102
podiums
46
fastest laps
5
Albin Wärnelöv profile photo
Albin
Wärnelöv
se
age
36
wins
0
poles
2
races
159
podiums
20
fastest laps
2
Simona De Silvestro profile photo
INDYCAR Photography
Simona
De Silvestro
ch
age
36
wins
7
poles
4
races
280
podiums
18
fastest laps
5

Career Overview

year
series
team
points
position
2025
Porsche Carrera Cup Scandinavia
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Porsche 992 Cup
5
1
3
1
2
races
wins
podiums
pole pos
fastest laps
points
5
1
3
1
2
year
series
team
points
position
2024
Porsche Carrera Cup Scandinavia
Fragus Motorsport
156
5th
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Porsche 992 Cup
12
0
3
0
0
races
wins
podiums
pole pos
fastest laps
points
12
0
3
0
0
156
year
series
team
points
position
2023
Porsche Sprint Challenge Scandinavia
Stenhaga Motorsport
372
1st
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Porsche 991 Cup II
14
13
14
14
13
races
wins
podiums
pole pos
fastest laps
points
14
13
14
14
13
372
year
series
team
points
position
2022
Porsche Sprint Challenge Scandinavia
Stenhaga Motorsport
227
1st
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Porsche 718 Cayman GT4 Clubsport
14
2
9
4
3
races
wins
podiums
pole pos
fastest laps
points
14
2
9
4
3
227
year
series
team
points
position
2021
Formula Nordic Cup
Siverholm Racing
199
4th
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Signatech FR1.6
Renault K4MRS
Michelin
15
1
6
2
4
races
wins
podiums
pole pos
fastest laps
points
15
1
6
2
4
199
year
series
team
points
position
2020
Italian ACI Karting Championship - OK
0
18th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2020
FIA Karting World Championship - OK
Forza Racing
0
34th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
Exprit
TM Racing
LeCont
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2020
WSK Euro Series - OK
Energy Corse
6
40th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
Energy Corse
TM
LeCont
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
6
year
series
team
points
position
2020
FIA Karting European Championship - OK Senior
Ward Racing
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
Tony Kart
Vortex
LeCont
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
year
series
team
points
position
2020
Swedish Championship - OK
0
2nd
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
0
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
0
0
0
0
0
0
year
series
team
points
position
2020
WSK Super Master Series - OK
Ward Racing
26
26th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
Tony Kart
Vortex
Bridgestone
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
26
year
series
team
points
position
2019
WSK Final Cup - OK Junior
Ward Racing
0
13th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
Tony Kart
Vortex
Vega
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2019
WSK Open Cup - OK Junior
Ward Racing
7
27th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
Tony Kart
Vortex
Vega
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
7
year
series
team
points
position
2019
Swedish Kart League - OK Junior
158
10th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
158
year
series
team
points
position
2019
FIA Karting European Champ - OK Junior
Ward Racing
13
20th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
Tony Kart
Vortex
Vega
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
13
year
series
team
points
position
2019
Swedish Championship - OK Junior
0
3rd
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2019
FIA Karting World Championship - OK Junior
Ward Racing
0
15th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
Tony Kart
Vortex
Vega
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2019
WSK Euro Series - OK Junior
Ward Racing
10
31st
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
Tony Kart
Vortex
Vega
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
10
year
series
team
points
position
2019
WSK Super Master Series - OK Junior
Ward Racing
103
12th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
Tony Kart
Vortex
Vega
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
103
year
series
team
points
position
2018
Swedish Kart League - OK Junior
169
2nd
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
169
year
series
team
points
position
2018
WSK Final Cup - OK Junior
15
25th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
15
year
series
team
points
position
2018
Swedish Championship - OK Junior
0
10th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2017
28° Trofeo Andrea Margutti - 60 Mini
0
29th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
Vega
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2017
22° South Garda Winter Cup - Mini ROK
0
22nd
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2017
WSK Final Cup - 60 Mini
0
28th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
Vega
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2017
46° Trofeo Delle Industrie - 60 Mini
Formula K Junior Team
0
4th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2017
Göteborgs Stora Pris - Junior 60
Tegnelius Motor AB
0
1st
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2017
Swedish Kart Championship - Junior 60
0
9th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2016
Kristianstad Grande Finale - Junior 60
0
1st
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2016
Juniorfestivalen - Junior 60
0
9th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2016
Göteborgs Stora Pris - Junior 60
0
17th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2016
Swedish Kart Championship - Junior 60
Ward Racing
0
3rd
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
Tony Kart
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2015
Kristianstad KK Grande Finale - Micro
0
3rd
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2015
Juniorfestivalen - Formula Micro
0
7th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2015
Göteborgs Stora Pris - Micro
0
6th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2015
Tom Trana Trophy - Formula Micro
0
2nd
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2015
Sydsvenskans Kart Champion Cup - Formula Micro
316
3rd
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
316
year
series
team
points
position
2014
Juniorfestivalen - Formula Micro
0
16th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2014
Tom Trana Trophy - Formula Micro
0
8th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
series
team
points
position
2014
Göteborgs Stora Pris - Micro
0
6th
kart
engine
tyres
races
wins
podiums
pole positions
fastest laps
-
-
-
-
-
races
wins
podiums
pole pos
fastest laps
points
-
-
-
-
-
0
year
type
races
wins
podiums
pole positions
fastest lap
2025
Racing
5
1
3
1
2
2024
Racing
12
0
3
0
0
2023
Racing
14
13
14
14
13
2022
Racing
14
2
9
4
3
2021
Racing
15
1
6
2
4
2020
Karting
2019
Karting
2018
Karting
2017
Karting
2016
Karting
2015
Karting
2014
Karting

Karting Highlights

year
series
position
2020
Swedish Championship - OK
2nd
2019
Swedish Championship - OK Junior
3rd
2018
Swedish Kart League - OK Junior
2nd
2017
Göteborgs Stora Pris - Junior 60
1st
2016
Swedish Kart Championship - Junior 60
3rd
2016
Kristianstad Grande Finale - Junior 60
1st
2015
Tom Trana Trophy - Formula Micro
2nd
2015
Kristianstad KK Grande Finale - Micro
3rd
2015
Sydsvenskans Kart Champion Cup - Formula Micro
3rd

Racing Highlights

year
series
position
2023
Porsche Sprint Challenge Scandinavia
1st
2022
Porsche Sprint Challenge Scandinavia
1st

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Based on over 70,000 race results the DriverDB ranking is an objective way to rate drivers without relying on subjective evaluations of championships and categories. Rating is based on the average of the drivers' last 20 races.