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Porsche 928 (1977-1995)
Premiere: 1977 March 16, Geneva motor show (Salon international de l'auto) press day
"A driver's car built for passengers"(quote from the 1977 sales brochure)
|928 America Japan 4.5 169 kW (164 kW SAE)||170 kW (165 kW SAE)||928 S America Japan 4.7 178 kW||5.0 215 kW|
|928 Euro 4.5 177 kW||928 S Australia 4.7 202 kW||Sweden Switzerland|
|928 S Euro 4.7 221 kW||928 S Euro 4.7 228 kW|
|928 S Australia 5.0 212 kW||S4 Australia 5.0 221 kW|
|S4 5.0 235 kW|
|S4 CS 5.0 235 kW|
|GT 5.0 243 kW||GTS 5.4 257 kW|
In 1971, the design work started on the end-of-the-seventies 911 H-model (that would come after the 911 G-model which was to be launched in 1973). The first plan was to create a wedge-shaped slantnose coupé with rear-mounted five to six litre V8.
By 1972 it was decided that the engine will be at the front and the new name for the 911 H project was 928.
The then futuristic and later iconic looks of the 928 were created under the supervision of head of design Anatole Lapine. To streamline the car, it got flush-mounted bumpers and special headlights. The headlights were positioned high for better night visibility, but were lowered into the body during the day. The 180-degree reversed pop-up headlamp construction allowed to wash the lenses even when the lamps were stowed away into their sockets.
The 928 press kits were unveiled in the beginning of 1977 and the car was publicly shown at the Geneva motor show in March.
Thanks to front engine and rear transmission, the car was ideally balanced. In addition to the aluminium V8, the engine lid, front fenders and doors were made of aluminium. The steel body was zinc-galvanized. The equipment of the luxurious grand tourer included steering wheel height adjustment and an instrument cluster that moved together with it, power windows, central locking, cruise control. The car was even engineered to have sun visors for the rear passengers. Optionally available was an additional air cooling for the rear of the car and cooling for the glove compartment.
The 928 was launched in 1977 as a 1978 model. It was so innovative that it was voted as the Car Of The Year 1978.
Endurance test driver Gerhard Plattner planned a trip for the new Porsche 928. The car was shipped from port Emden, Germany, to New York. On February 12, 1978, Gerhard Plattner and Rudi Lins started their test drive from New York. They drove via Chicago, Salt Lake City, San Francisco, Seattle and Canada to Fairbanks in Alaska. Then, a 4000+ mile non-stop leg back through the whole of Canada to Montreal. After the 10.000 mile trip in America, the car was flown to Frankfurt in Germany and driven via Stockholm in Sweden to Rovaniemi on the Arctic Circle in northern Finland. The next leg would take the test drivers to Moscow, but as the Soviet Union was afraid of spies, foreigners were allowed to drive only 400 km a day and banned from driving in the night. A special permission was organized, so these restrictions didn't have to be followed. This 928 was probably the first Porsche car to drive in Russia, the largest state of the Soviet Union. After Moscow, the route took via Belarus (a state of Soviet Union at that time) to Warsaw in Poland and Berlin in Germany. Although there was another 1000 km to be driven before the finish in Paris, France, the drivers considered the last leg as a walk in the park. The total length of the test drive became near 30.000 km. As the car was driven at high speeds, 7 litres of oil was consumed by the engine and the average fuel consumption was 15.2 L/100 km. The car was fitted with additional 80 litre fuel tank behind the driver in order to minimize the reliance on refilling and to be able to drive through the nights.
In 1979, the 221 kW (300 DIN hp) 928 S was made available for Europe. It was seriously more expensive and cost 26% more than the 177 kW (240 DIN hp) 928 in Europe.
In 1981, "50 years of Porsche company" (1931-1981) anniversary editions Porsches were made in Meteor metallic with Burgundy interior. These were 1982 model year cars.
Another 1982 model year edition was the Weissach Edition (M462). These cars were painted in light bronze metallic and had medium brown interior plus a matching luggage set.
In 1982, a 24 hour world speed record for series production cars was set with the 4.7-litre 928 S. Despite the around 30 refuelling stops, the achieved average speed was an astonishing 156 mph/251 km/h.
One of the most important improvements with the 928 were the ABS brakes that became optionally available from model year 1984 and standard in 1986. For the 1987 model year, the 928 received new looks and the car was called 928 S4. The reason for the naming was simple - before the S4, the 928 engine had already evolved to S, S2 and S3.
The a bit sportier versions of the 928 S4 were the ClubSport and the 928 GT. The final change in the appearance of the 928 came for the 1992 model year, when the 5.4-litre GTS replaced the S4 and GT.
The 928 GTS beat the 24 hour world speed record that the 928 S had hold for 11 years. The new average speed record set in 1993 was 165 mph/265 km/h. This is average speed over the 24 hour period that included the frequent pit stops for refuelling and also driver changes.
|M28.01||4.5 16V||177 kW||928 Euro, manual 5-speed||78 79|
|M28.02||4.5 16V||177 kW||928 Euro, automatic 3-speed||78 79|
|M28.03||4.5 16V||169 kW (164 kW SAE)||928 America Japan, manual 5-speed||78 79|
|M28.04||4.5 16V||169 kW (164 kW SAE)||928 America Japan, automatic 3-speed||78 79|
|M28.09||4.5 16V||177 kW||928 Euro, manual 5-speed||80 81 82|
|M28.10||4.5 16V||177 kW||928 Euro, automatic 3-speed||80 81 82|
|M28.11||4.7 16V||221 kW||928 S Euro, manual 5-speed||80 81 82 83|
|M28.12||4.7 16V||221 kW||928 S Euro, automatic 3-speed||80 81 82 83|
|M28.13||4.5 16V||170 kW (165 kW SAE)||928 America Japan, manual 5-speed||80|
|M28.14||4.5 16V||170 kW (165 kW SAE)||928 America Japan, automatic 3-speed||80|
|M28.15||4.5 16V||170 kW (165 kW SAE)||928 America, manual 5-speed||81 82|
|M28.16||4.5 16V||170 kW (165 kW SAE)||928 America, automatic 3-speed||81 82|
|M28.17||4.5 16V||170 kW (165 kW SAE)||928 Japan, manual 5-speed||81 82|
|M28.18||4.5 16V||170 kW (165 kW SAE)||928 Japan, automatic 3-speed||81 82|
|M28.19||4.7 16V||178 kW||928 S America, manual 5-speed||83 84|
|M28.20||4.7 16V||178 kW||928 S America Japan, automatic 4-speed||83 84|
|M28.21||4.7 16V||228 kW||928 S Euro, manual 5-speed||84 85 86|
|M28.22||4.7 16V|| 228 kW|
| 928 S Euro, automatic 4-speed|
928 S Australia, automatic 4-speed
928 S Sweden Switzerland, automatic 4-speed
| 84 85 86|
|M28.41||5.0 32V|| 235 kW|
| 928 S4, manual 5-speed|
928 S4 Australia, manual 5-speed
928 S4 Club Sport, manual 5-speed
| 87 88 89 90 91|
|M28.42||5.0 32V|| 235 kW|
| 928 S4, automatic 4-speed|
928 S4 Australia, automatic 4-speed
| 87 88 89 90 91|
|M28.43||5.0 32V||215 kW||928 S (S3) America , manual 5-speed||85 86||S3: 32V engine in a pre-S4 body|
|M28.44||5.0 32V||215 kW||928 S (S3) America Japan, automatic 4-speed||85 86|
|M28.45||5.0 32V||212 kW||928 S (S3) Australia, manual 5-speed||86|
|M28.46||5.0 32V||212 kW||928 S (S3) Australia, automatic 4-speed||86|
|M28.47||5.0 32V||243 kW||928 GT, manual 5-speed||89 90 91|
|M28.49||5.4 32V||257 kW||928 GTS, manual 5-speed||92 93 94 95|
|M28.50||5.4 32V||257 kW||928 GTS, automatic 4-speed||92 93 94 95|
|A22.01||3-speed automatic|| 928 Euro|
928 all markets
| 78 79|
80 81 82
|A22.02||3-speed automatic||928 America Japan||78 79|
|A22.04||3-speed automatic||928 S Euro||80 81 82 83|
|A28.01||4-speed automatic||928 S America Japan||83 84|
|A28.02||4-speed automatic||928 S Euro||84|
|A28.03||4-speed automatic||928 S Euro||84|
|A28.04||4-speed automatic||928 S Euro CAT, America, Japan||85|
|A28.05||4-speed automatic||928 S Euro (14:33)||85|
|A28.06||4-speed automatic||928 S Euro (13:33 shorter gear ratio M251)||85|
|A28.07||4-speed automatic||928 S America Japan||86|
|A28.08||4-speed automatic||928 S Euro (14:33)||86|
|A28.09||4-speed automatic||928 S Sweden Switzerland Australia (13:33 shorter gear ratio M251)||86|
|A28.11||4-speed automatic||928 S Euro CAT||86 87|
|A28.12||4-speed automatic||928 S4 America Japan||87 88|
|A28.14||4-speed automatic||928 S4 Euro||87 88|
|A28.16||4-speed automatic||928 S4 all markets||89 90 91|
|A28.18||4-speed automatic||928 GTS||92 93 94 95|
|G28.03||5-speed manual||928 all markets||78 79 80|
|G28.05||5-speed manual|| 928, 928 S|
| 80 81|
|G28.07||5-speed manual||928 S Euro||83 84|
|G28.08||5-speed manual||928 S America||83 84|
|G28.09||5-speed manual||928 all markets||82|
|G28.10||5-speed manual|| 928 S Euro|
928 S Euro CAT
| 85 86|
|G28.11||5-speed manual|| 928 S America, Euro CAT|
928 S America
|G28.12||5-speed manual|| 928 S4 Euro|
928 S4 all markets
| 87 88|
|G28.13||5-speed manual||928 S4 America||87 88|
|G28.55||5-speed manual|| 928 S4 M637 Club Sport|
| 88 89|
89 90 91
|G28.57||5-speed manual||928 GTS||92 93 94 95|
The 928 was a unique model in a sense that Porsche made so many concept cars on it or used its engine elsewhere. For example, in 1983 a 928 with the full aluminium body was created, in 1984 an extended wheelbase body with long roof was made (such a full size clay model was made already in the seventies). In 1985, Porsche installed the 928 S3 engine in a Mercedes G-wagen off-road rally car and in 1986, S4 engines were sold to marine industry. Porsche experimentally even created bi-turbo racing boat engines called 928 S4 Offshore. In 1987 4-door 928 was made in two examples and a S4 CS was experimentally equipped with PDK transmission (a PDK was considered for 928 as early as 1979). In 1988 a one-off 928 Cabriolet was built.
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Article © James Herne / Stuttcars.com
1978 model range USA: 911 SC, 911 Turbo, 924, 928
1977 · English
911: "More than 130.000 have been built...”
“Porsche engineers its cars to stay on the road, where they belong”
924: “Only its owner needs to know how affordable it is”
“Body details were carefully studied to reduce wind noise and keep the windows and taillights clear of rain and road dirt”
928: “It has self-adjusting hydraulic valve lifters which, like the breakerless transistor ignition and CIS fuel-injection system, needs no periodic maintenance”
“Entering turns, the rear-wheel alignment self-adjusts to decelerating forces to maintain ideal tracking”
“Possible problems are signaled by an On-board Warning System...”
928 USA technical data, 1979 model year
1979 · English
928 USA technical data, 1981 model year
1981 · English
- Vector drawing 594 mm x 420 mm (A2), B/W
- Format: PDF
- Author: Margus Holland