cover
Jeff Diffenderfer profile photo
Jeff Diffenderfer helmet photo
Jeff
Diffenderfer
flag
SCCA June Sprints Formula Mazda

Driver Information

nationality
American
age
75
birthday
28 Mar 1950
hometown
Midland, MI
helmet

Driver Information

nationality
American
age
75
birthday
28 Mar 1950
hometown
Midland, MI
helmet

Competitors

Juan Marchand profile photo
pr
age
50
wins
3
poles
1
races
24
podiums
7
fastest laps
2
Darryl Wills profile photo
us
age
63
wins
21
poles
4
races
97
podiums
28
fastest laps
5
David Parr profile photo
us
age
wins
2
poles
0
races
24
podiums
12
fastest laps
0

Career Overview

year
series
team
points
position
2011
Lake Effect Motorsports
0
10th
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Star (Mazda)
1
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
1
0
0
0
0
0
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Star (Mazda)
1
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
1
0
0
0
0
year
series
team
points
position
car
engine
tyres
races
wins
podiums
pole positions
fastest laps
Mazda MX-5 Miata
1.8L I4 NA
Toyo
1
0
0
0
0
races
wins
podiums
pole pos
fastest laps
points
1
0
0
0
0
0
year
type
races
wins
podiums
pole positions
fastest lap
2011
Racing
2
0
0
0
0
2006
Racing
1
0
0
0
0

DriverDB Top 100

pos
driver
championship
points
change
01
Formula 1
2209.45
-0.4
02
Formula 1
2102.1
-0.3
03
Formula 1
2066.55
+0.1
04
Formula 1
2031
-
05
Formula 1
2019.45
-
+1
06
Porsche Carrera Cup Germany
2002.75
-
-1
07
Formula 1
2001.15
-2.6
08
Formula 1
1969.85
+3.9
09
IndyCar
1962.55
-3.2
+3
10
VLN Langstrecken Serie - SP9 Pro
1951.4
+7.8
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.