1985 Detroit Grand Prix


Entry list Qualifying results Starting grid
Fastest Laps Classification Lap Leaders


Race details
Official Race Name  IV  Detroit Grand Prix
Date Sunday, 23 June 1985
Local Start Time 14:00 h
Grand Prix Detroit GP
Circuit Detroit
Round 6 of 16
Entries 25
Qualifiers 25
Finishers 12
Race distance 4023 m × 63 laps = 253.449 km
Pole position Left
First corner Left
Track direction Anti-clockwise
Weather Sunny, Hot, Dry



Entry List
Car
No.		 Entrant Driver Car Engine Tyres Lubricant
1
 Marlboro McLaren International Niki Lauda McLaren MP4/2B TAG 1.5 V6TGoodyear Shell
2
 Marlboro McLaren International Alain Prost McLaren MP4/2B TAG 1.5 V6TGoodyear Shell
3
 Tyrrell Racing Organisation Martin Brundle Tyrrell 012 Ford Cosworth DFY 3.0 V8Goodyear Elf
4
 Tyrrell Racing Organisation Stefan Bellof Tyrrell 012 Ford Cosworth DFY 3.0 V8Goodyear Elf
5
 Canon Williams Honda Team Nigel Mansell Williams FW10 Honda 1.5 V6TGoodyear Mobil
6
 Canon Williams Honda Team Keke Rosberg Williams FW10 Honda 1.5 V6TGoodyear Mobil
7
 Motor Racing Developments Ltd Nélson Piquet Brabham BT54 BMW 1.5 L4TPirelli Castrol
8
 Motor Racing Developments Ltd Marc Surer Brabham BT54 BMW 1.5 L4TPirelli Castrol
9
 Skoal Bandit Formula 1 Team Manfred Winkelhock RAM 03 Hart 1.5 L4TPirelli Shell
10
 Skoal Bandit Formula 1 Team Philippe Alliot RAM 03 Hart 1.5 L4TPirelli Shell
11
 John Player Special Team Lotus Elio de Angelis Lotus 97T Renault 1.5 V6TGoodyear Elf
12
 John Player Special Team Lotus Ayrton Senna Lotus 97T Renault 1.5 V6TGoodyear Elf
15
 Equipe Renault Elf Patrick Tambay Renault RE60 Renault 1.5 V6TGoodyear Elf
16
 Equipe Renault Elf Derek Warwick Renault RE60 Renault 1.5 V6TGoodyear Elf
17
 Barclay Arrows BMW Gerhard Berger Arrows A8 BMW 1.5 L4TGoodyear Castrol
18
 Barclay Arrows BMW Thierry Boutsen Arrows A8 BMW 1.5 L4TGoodyear Castrol
19
 Toleman Group Motorsport Teo Fabi Toleman TG185 Hart 1.5 L4TPirelli Agip
22
 Benetton Team Alfa Romeo Riccardo Patrese Alfa Romeo 185T Alfa Romeo 1.5 V8TGoodyear Agip
23
 Benetton Team Alfa Romeo Eddie Cheever Alfa Romeo 185T Alfa Romeo 1.5 V8TGoodyear Agip
24
 Osella Squadra Corse Piercarlo Ghinzani Osella FA1G Alfa Romeo 1.5 V8TPirelli Agip
25
 Equipe Ligier Gitanes Andrea de Cesaris Ligier JS25 Renault 1.5 V6TPirelli Antar
26
 Equipe Ligier Gitanes Jacques Laffite Ligier JS25 Renault 1.5 V6TPirelli Antar
27
 Scuderia Ferrari SpA SEFAC Michele Alboreto Ferrari 156/85 Ferrari 1.5 V6TGoodyear Agip
28
 Scuderia Ferrari SpA SEFAC Stefan Johansson Ferrari 156/85 Ferrari 1.5 V6TGoodyear Agip
29
 Minardi Team Pierluigi Martini Minardi M185 Motori Moderni 1.5 V6TPirelli Agip


Qualification
Pos. Car
No.		 Driver Car / Engine Time Gap Percentage Speed
(km/h)
1
12
 Ayrton Senna Lotus / Renault
1'42.051
 - 100.0% 141.917
2
5
 Nigel Mansell Williams / Honda
1'43.249
 1.198 101.2% 140.271
3
27
 Michele Alboreto Ferrari / Ferrari
1'43.748
 1.697 101.7% 139.596
4
2
 Alain Prost McLaren / TAG
1'44.088
 2.037 102.0% 139.140
5
6
 Keke Rosberg Williams / Honda
1'44.156
 2.105 102.1% 139.049
6
16
 Derek Warwick Renault / Renault
1'44.163
 2.112 102.1% 139.040
7
23
 Eddie Cheever Alfa Romeo / Alfa Romeo
1'44.231
 2.180 102.1% 138.949
8
11
 Elio de Angelis Lotus / Renault
1'44.769
 2.718 102.7% 138.236
9
28
 Stefan Johansson Ferrari / Ferrari
1'44.921
 2.870 102.8% 138.035
10
7
 Nélson Piquet Brabham / BMW
1'45.194
 3.143 103.1% 137.677
11
8
 Marc Surer Brabham / BMW
1'45.979
 3.928 103.8% 136.657
12
1
 Niki Lauda McLaren / TAG
1'46.266
 4.215 104.1% 136.288
13
19
 Teo Fabi Toleman / Hart
1'46.546
 4.495 104.4% 135.930
14
22
 Riccardo Patrese Alfa Romeo / Alfa Romeo
1'46.592
 4.541 104.4% 135.871
15
15
 Patrick Tambay Renault / Renault
1'47.028
 4.977 104.9% 135.318
16
26
 Jacques Laffite Ligier / Renault
1'47.267
 5.216 105.1% 135.016
17
25
 Andrea de Cesaris Ligier / Renault
1'47.393
 5.342 105.2% 134.858
18
3
 Martin Brundle Tyrrell / Ford
1'47.563
 5.512 105.4% 134.645
19
4
 Stefan Bellof Tyrrell / Ford
1'47.911
 5.860 105.7% 134.211
20
9
 Manfred Winkelhock RAM / Hart
1'47.926
 5.875 105.8% 134.192
21
18
 Thierry Boutsen Arrows / BMW
1'48.023
 5.972 105.9% 134.071
22
24
 Piercarlo Ghinzani Osella / Alfa Romeo
1'48.546
 6.495 106.4% 133.425
23
10
 Philippe Alliot RAM / Hart
1'50.455
 8.404 108.2% 131.119
24
17
 Gerhard Berger Arrows / BMW
2'05.307
 23.256 122.8% 115.579
25
29
 Pierluigi Martini Minardi / Motori Moderni
3'04.446
 1'22.395 180.7% 78.521


Starting grid
1

Ayrton Senna
Lotus / Renault
1'42.051

2

Nigel Mansell
Williams / Honda
1'43.249
3

Michele Alboreto
Ferrari / Ferrari
1'43.748

4

Alain Prost
McLaren / TAG
1'44.088
5

Keke Rosberg
Williams / Honda
1'44.156

6

Derek Warwick
Renault / Renault
1'44.163
7

Eddie Cheever
Alfa Romeo / Alfa Romeo
1'44.231

8

Elio de Angelis
Lotus / Renault
1'44.769
9

Stefan Johansson
Ferrari / Ferrari
1'44.921

10

Nélson Piquet
Brabham / BMW
1'45.194
11

Marc Surer
Brabham / BMW
1'45.979

12

Niki Lauda
McLaren / TAG
1'46.266
13

Teo Fabi
Toleman / Hart
1'46.546

14

Riccardo Patrese
Alfa Romeo / Alfa Romeo
1'46.592
15

Patrick Tambay
Renault / Renault
1'47.028

16

Jacques Laffite
Ligier / Renault
1'47.267
17

Andrea de Cesaris
Ligier / Renault
1'47.393

18

Martin Brundle
Tyrrell / Ford
1'47.563
19

Stefan Bellof
Tyrrell / Ford
1'47.911

20

Manfred Winkelhock
RAM / Hart
1'47.926
21

Thierry Boutsen
Arrows / BMW
1'48.023

22

Piercarlo Ghinzani
Osella / Alfa Romeo
1'48.546
23

Philippe Alliot
RAM / Hart
1'50.455

24

Gerhard Berger
Arrows / BMW
2'05.307
25

Pierluigi Martini
Minardi / Motori Moderni
3'04.446


Fastest Laps
Pos. Car
No.		 Driver Car / Engine Lap Time Gap Percentage Speed
(km/h)
1
12
 Ayrton Senna Lotus / Renault
51
 1'45.612 - 100.0% 137.132
2
6
 Keke Rosberg Williams / Honda
58
 1'47.311 1.699 101.6% 134.961
3
27
 Michele Alboreto Ferrari / Ferrari
43
 1'47.518 1.906 101.8% 134.701
4
11
 Elio de Angelis Lotus / Renault
43
 1'47.572 1.960 101.9% 134.634
5
28
 Stefan Johansson Ferrari / Ferrari
56
 1'47.797 2.185 102.1% 134.353
6
23
 Eddie Cheever Alfa Romeo / Alfa Romeo
33
 1'47.916 2.304 102.2% 134.204
7
7
 Nélson Piquet Brabham / BMW
40
 1'48.045 2.433 102.3% 134.044
8
5
 Nigel Mansell Williams / Honda
6
 1'48.241 2.629 102.5% 133.801
9
18
 Thierry Boutsen Arrows / BMW
6
 1'48.554 2.942 102.8% 133.416
10
4
 Stefan Bellof Tyrrell / Ford
12
 1'48.681 3.069 102.9% 133.260
11
26
 Jacques Laffite Ligier / Renault
6
 1'48.702 3.090 102.9% 133.234
12
2
 Alain Prost McLaren / TAG
8
 1'49.001 3.389 103.2% 132.869
13
3
 Martin Brundle Tyrrell / Ford
15
 1'49.073 3.461 103.3% 132.781
14
16
 Derek Warwick Renault / Renault
4
 1'49.485 3.873 103.7% 132.281
15
1
 Niki Lauda McLaren / TAG
6
 1'49.489 3.877 103.7% 132.276
16
25
 Andrea de Cesaris Ligier / Renault
57
 1'49.603 3.991 103.8% 132.139
17
15
 Patrick Tambay Renault / Renault
6
 1'49.931 4.319 104.1% 131.744
18
8
 Marc Surer Brabham / BMW
5
 1'49.998 4.386 104.2% 131.664
19
17
 Gerhard Berger Arrows / BMW
21
 1'50.576 4.964 104.7% 130.976
20
22
 Riccardo Patrese Alfa Romeo / Alfa Romeo
6
 1'50.729 5.117 104.8% 130.795
21
19
 Teo Fabi Toleman / Hart
3
 1'51.211 5.599 105.3% 130.228
22
10
 Philippe Alliot RAM / Hart
6
 1'53.752 8.140 107.7% 127.319
23
29
 Pierluigi Martini Minardi / Motori Moderni
7
 1'55.446 9.834 109.3% 125.451
24
9
 Manfred Winkelhock RAM / Hart
2
 1'55.649 10.037 109.5% 125.231


Classification
Pos. Car
No.		 Driver Car / Engine Laps Time Gap/
Retirement		 Speed
(km/h)
1
6
 Keke Rosberg Williams / Honda
63
 1:55'39.851 - 131.475
2
28
 Stefan Johansson Ferrari / Ferrari
63
 1:56'37.400 57.549 130.394
3
27
 Michele Alboreto Ferrari / Ferrari
63
 1:56'43.021 1'03.170 130.289
4
4
 Stefan Bellof Tyrrell / Ford
63
 1:56'46.076 1'06.225 130.232
5
11
 Elio de Angelis Lotus / Renault
63
 1:57'06.817 1'26.966 129.848
6
7
 Nélson Piquet Brabham / BMW
62
 1:57'02.787 1 Lap 127.860
7
18
 Thierry Boutsen Arrows / BMW
62
 1:57'15.747 1 Lap 127.624
8
8
 Marc Surer Brabham / BMW
62
 1:57'26.109 1 Lap 127.437
9
23
 Eddie Cheever Alfa Romeo / Alfa Romeo
61
 1:56'20.528 2 Laps 126.559
10
25
 Andrea de Cesaris Ligier / Renault
61
 1:56'31.261 2 Laps 126.365
11
17
 Gerhard Berger Arrows / BMW
60
 1:57'30.967 3 Laps 123.241
12
26
 Jacques Laffite Ligier / Renault
58
 1:52'54.010 5 Laps 124.004
ret
12
 Ayrton Senna Lotus / Renault
51
 1:33'51.473 Accident 131.160
ret
3
 Martin Brundle Tyrrell / Ford
30
 55'34.355 Accident 130.305
ret
10
 Philippe Alliot RAM / Hart
27
 55'23.380 Accident 117.662
ret
5
 Nigel Mansell Williams / Honda
26
 48'43.906 Accident 128.784
ret
2
 Alain Prost McLaren / TAG
19
 35'22.986 Brakes 129.616
ret
22
 Riccardo Patrese Alfa Romeo / Alfa Romeo
19
 46'26.194 Electrical 98.763
ret
16
 Derek Warwick Renault / Renault
18
 33'40.165 Transmission 129.044
ret
15
 Patrick Tambay Renault / Renault
15
 28'18.134 Accident 127.930
ret
29
 Pierluigi Martini Minardi / Motori Moderni
11
 37'05.662 Engine 71.579
ret
1
 Niki Lauda McLaren / TAG
10
 18'42.226 Brakes 129.054
ret
19
 Teo Fabi Toleman / Hart
4
 7'42.926 Clutch 125.141
ret
9
 Manfred Winkelhock RAM / Hart
3
 6'02.004 Turbo 120.022
ret
24
 Piercarlo Ghinzani Osella / Alfa Romeo
0
 - Accident -


Lap Leaders
Pos. Car
No.		 Driver Car / Engine Laps Led Percentage
1
6
 Keke Rosberg Williams / Honda
56
 89%
2
12
 Ayrton Senna Lotus / Renault
7
 11%

Best thanks go to Jonathan Davies from ChicaneF1.com for providing the data on this page!



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