For Sale

  • 1991 Porsche 928 GT Guards Red

    For Sale, 1991 Porsche 928 GT Gurds Red

    1991 model 928 GT, first registered in 1993.

    Guards red with black leather seats with red piping.

    928 number plate.

    £7,500, Suffolk.

    Contact: 01284 789608, or email david at design-interface.com

    Read more...

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Porsche 928 Transmission information PDF Print E-mail
Manual and Automatic Transmission information, and transmission and engine life cycle

Author Andy Elvers

Sorry about the table colours. I will need hours to fix it as its a very old html page from the original site.

Transmissions

Manual Transmission 

This Manual Transmission guide includes all European 928 models.

Europe Specifications
  G28.03
928		 G28.05
928/S		 G28.07
928S/S2		 G28.10
928S2		 G28.12
928S4		 G28.55
928SE/GT		 G28.57
928GTS
Design Direct transmission with layshaft
Gears 5
Ratios
1st 3.601 3.7645 3.7745
2nd 2.4646 2.5122 2.5188
3rd 1.8194 1.79 1.7948
4th 1.3433 1.3541 1.3577
5th 1.0 1.0 1.0
Reverse 3.1621 3.3
Final
Drive		 2.75 2.7272 2.6363 2.7272
mph / 1000rpm
1st 7.36 6.88 7.18 6.94 7.03
2nd 10.75 10.31 10.76 10.4 10.54
3rd 14.57 14.47 15.1 14.6 14.79
4th 19.73 19.13 19.96 19.3 19.55
5th 26.5 25.9 27.03 26.13 26.54
mph at max engine power
1st 40.5 43.4 40.6 43.1 43.0 40.1
2nd 59.1 63.4 60.8 64.6 64.5 60.1
3rd 80.1 85.9 85.4 90.6 90.5 84.3
4th 108.5 116.4 112.8 119.8 119.6 111.4

 

Automatic transmission
This Automatic Transmission guide includes all European 928 models.

Europe Specifications
  A22.01
928		 A22.04
928S		 A28.02
928S2		 A28.05
928S2		 A28.08
928S2		 A28.14
928S4		 A28.16
928S4		 A28.18
928GTS
Design fully automatic planetary transmission
Gears 3 4
Ratios
1st 2.306 3.676 3.87
2nd 1.460 2.412 2.25
3rd 1.00 1.436 1.44
4th   1.00 1.00
Reverse 1.836 5.139 5.59
Final Drive 2.75 2.357 2.538
mph / 1000 rpm
1st 11.1 8.5 7.63 7.25
2nd 17.56 12.96 11.63 12.47
3rd 25.64 21.76 19.53 19.48
4th n/a 31.25 28.05 28.05
mph at max engine power
1st 61.2 65.6 50.2 45.8 43.5 41.3
2nd 96.6 103.6 76.4 69.8 74.8 71.1
3rd n/a 128.4 117.2 116.9 111.0
Gear Up Shift Points (mph) under Full Throttle
1-2 60-65 63-68 33-38 33-37 31-34 25-31 25-31
2-3 93-98 102-107 66-76 63-73 59-68 63-73 63-73
3-4 n/a n/a 110-122 110-122 102-114 105-117 105-117
Gear Up Shift Points (mph) under Kick Down
1-2 n/a n/a 40-43 36-39 33-37 37-38 35-36
2-3 n/a n/a 74-77 73-83 68-69 76-78 74-75
3-4 n/a n/a 120-123 120-132 112-117 119-121 112-117
Gear Down Shift Points (mph) under Full Throttle
2-1 32-28 33-29 17-14 16-14 15-13 19-14 19-15
3-2 53-35 58-43 38-32 31-27 29-25 30-27 30-27
4-3 n/a n/a 76-67 76-66 71-62 89-79 89-79
Gear Down Shift Points (mph) under Kick Down
2-1 48-36 48-40 26-23 26-22 21-21 30-27 29-26
3-2 83-76 91-84 71-61 89-61 66-57 74-65 71-61
4-3 n/a n/a 118-106 117-106 109-99 115-104 112-100

Europe Model / Engine / Transmission Life Cycle

Model Engine Trans-
mission		 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95
    A B C D E F G H J K L M N P R S
928 M28.01 G28.03                                    
M28.09 G28.03                                    
M28.09 G28.05                                    
M28.02 A22.01                                    
M28.10 A22.01                                    
928S M28.11 G28.05                                    
M28.11 G28.07                                    
M28.12 A22.04                                    
928S2 M28.21 G28.07                                    
M28.21 G28.10                                    
M28.22 A28.02                                    
M28.22 A28.05                                    
M28.22 A28.08                                    
928S4 M28.41 G28.12                                    
M28.42 A28.14                                    
M28.42 A28.16                                    
928SE M28.41SP G28.55                                    
928CS M28.41SP G28.55                                    
928GT M28.47 G28.55                                    
928GTS M28.49 G28.57                                    
M28.50 A28.18                                    

 

Manual Transmission  
Automatic Transmission  
 

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