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Porsche 928: buying guide and review (1977-1995)

Porsche 928 front Porsche 928 side Porsche 928 rear Porsche 928 engine Porsche 928 interior
If there can be such a thing as a ‘forgotten Porsche’, the 928 is it. Although built for a remarkably long period – about 17 years – it’s not a car you read much about. And yet the 928 is quick, extremely comfortable and has a big V8 under the bonnet. What’s not to like? 
‘Thirst and complexity’ are the usual retorts. It’s true that 20mpg is a best-case scenario for any 928 – but with most of the survivors now being kept as second cars, that’s less of an issue. And while there seems to be an awful lot of engine shoehorned under the bonnet, it’s really a straightforward design that can rack up enormous mileages. 
Of course, the 928 was an expensive car when new, with commensurately high servicing bills. But today’s non-franchised specialists charge more reasonable prices and there are plenty of secondhand parts around – sadly, good cars are still being stripped out for track day or race use. 
Despite its recently discovered potential as a racing car, the 928 was always marketed as a GT and about 80 per cent were sold with automatic transmission. Manuals are now sought after for track days, but the 928’s big V8 is ideally suited to an auto ’box and gives a relaxing drive. 
Which one to buy?
Chances are that if you fancy a 928 you’ll already know what you want: either the design statement of the original car (no spoilers, no side strips, Pascha interior, telephone-dial alloys) or the sheer speed and greater luxury of the S4-and-later models. Buyers tend to fall into one or other camp. 
The late-’70s cars are by far the rarest now and are the only 928s likely to have any longterm investment potential. They are not particularly fast by modern standards but they’re the simplest and cheapest to run. 
Moving on a few years, a 1980s S or S2 still has a certain period appeal, retaining the egg-shaped rear of the original car. Among the restyled cars, the S4 is the sensible buy – as its engine is bulletproof – while the GTS is the most hardcore and most expensive to fix, having unique brakes and engine. 
Performance and specs
Engine 4474cc, 16-valve SOHC V8
Power 237bhp
Torque 268lb ft
Top speed 142mph
0-60mph 7.5secs
Fuel consumption 21mpg
Gearbox Five-speed manual/Three-speed automatic
Dimensions and weight
Wheelbase 2500mm
Length 4448mm
Width 1836mm
Height 1313mm
Weight 1451kg
Common problems
• The 928 bodyshell was galvanised right from the start of production, so structural rust is rare. Early cars will typically show the odd bubble around rear windows or hatch (where trim clips have broken the galvanising), but usually corrosion is restricted to paint scabbing on the alloy bonnet, front wings and door skins. 
• Mechanical parts also last well. Cambelt failure is the biggest danger: on 4.7-litre and later engines the valves can then collide with pistons (4.5s aren’t affected). The belt should be changed every four years or 60,000 miles. It’s wise to renew the water pump at the same time. 
• The 928’s suspension hardly changed during production, which means that you could, in theory, fit GTS suspension to a 1970s car. OE-spec dampers are now hugely expensive, although specialists do offer aftermarket sets for considerably less. 
• The 928 has its gearbox mounted just ahead of the rear diff, and it’s connected to the engine by a torque tube. Manual ’boxes don’t have the sweetest changes but are tough, while the automatics are Mercedes-Benz units, so very reliable. However, failure to check the flex plate tension regularly can lead to a worn crank thrust bearing and, ultimately, a wrecked engine block. 
• 928s do suffer electrical gremlins if not driven for any length of time, but the wiring is actually quite easy to trace. 
• Air-conditioning will rarely work on an older car and may cost £500-600 to repair. Interiors last pretty well but the 1970s pyschedelic-check trim known as Pascha eventually falls apart at the seams. While good condition second hand items are nearly impossible to find, reproduction fabric is now available through specialists. 
Model history
1977-1982: 928 launched with new water-cooled, 4.5-litre V8 engine giving 240bhp and 140+mph top speed, five-speed manual or three-speed auto transmissions.
1979-1984: 928S gains bigger, 4.7-litre engine, plus small front and rear rubber spoilers and side-protection strips. Power now 300bhp and top speed 152mph.
1984-1985: S2 has 310bhp; auto option now a four-speed.

1985: US-only cars gain new 5-litre V8 with DOHC , four-valve heads and unofficial ‘S3’ title. 
1986-1992: S4 restyled with smoother front end, wraparound tail-lights and big rear spoiler. 5-litre V8 already used in States gives 320bhp. Digital dash and auto ’box standard for ’89-on S4. 
1989-1992: Manual-only GT introduced with stiffer suspension, wider wheels and 326/330bhp.
1992-1995: GTS has 5.4-litre V8, 340bhp and ‘Cup’ alloy wheels.
Owners clubs, forums and websites
• www.928.org.uk - Porsche 928 community
• www.porscheclubgb.com - UK-based Porsche owners club
• www.porscheownersclub.org.uk - Free to join UK Porsche club
• www.tipec.net - The Independent Porsche Enthusiasts Club
Summary and prices
Porsche 928 prices have been generally very steady for the past decade, with a very gentle upward trajectory for the most desirable examples. To some extent, the condition is more important than model or year. A superb car, early or late, might sell for up to £15,000, but good usable examples start at around £5000. 
Very early cars start from around £3000 for something needing work (although projects can still be picked up from £1000), with the later models becoming more expensive as the power and spec levels increase. The advice is to steer clear of anything too cheap, as the potential bills associated with these will often be substantial.
The most valuable is the high-performance GTS model, with prices usually starting from £8000-£15,000. Perfect examples, especially with low mileages, are often advertised at more than £30,000.
Porsche 928 front Porsche 928 side Porsche 928 rear Porsche 928 engine Porsche 928 interior
Last updated: 23rd Nov 2015
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Porsche 928 cars for sale

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Porsche 928
10995 39995 GBP
  • Make: Porsche Model: 928 GTS A First Registered: 06/01/1994 (L) Mileage: 81,815 Miles Previous Owners: 11 Engine: 5.4 Ltr Transmission: 4 Speed Auto Paint Colour: Black Trim Colour: Tan Leather Carpet Colour: Tan Doors: 2 Seats: 2+2 MOT: 12 Months TAX: TBA HPI: Clear Warranty: 3 Month Cover Included - Upgrades Available

    • Year: 1994

    Last update: About 1 Month Old

    • Mileage: 81815 mi

    For sale
  • The Supercar Rooms
    01299 666116
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  • Chassis # WP0JA092XCS820830 Engine # 81C0387 Original Special Order Black Metallic Paint Offered With Porsche COA Very Rare 5-Speed Manual Example Complete With Books, Tools & History From New Details If someone described a car as a rear engine, rear wheel drive sports car made in Germany, even if one wasn’t a car person the obvious conclusion would always be Porsche. Then, in 1977 the unthinkable happened in Stuttgart, the engine was moved to the front and two more cylinders were added, arranged in a V formation and for the first time since 1948 the little car company from Gmund, Austria had a true GT car for the masses. This new step forward for Porsche didn’t come without hurdles, but it easily solidified their ability to meet market demands and produce anything they set their minds to. The technical specifications of the 928 are interesting. As the goal was to create a Luxury GT car to (at the time) hypothetically replace the famed 911, the car needed solid attributes of previously successful V8 powered cars, and successful GT cars. All while trying to meet new US safety and Emissions regulations while continued pressure was placed on the 911 for failing to meet requirements. A

    • Year: 1982

    Last update: 1 Day Old
    For sale
  • see details
  • The 928 is a true icon of the 1980s and this ultra-rare manual S2 reflects the era beautifully in it's stunning Platinum Metallic with Burgundy hide livery. A technical tour de force when it was launched, it looked like nothing else you could buy at the time and still turns heads today. This particular car was first registered in September 1984 and supplied to it's original Royal owner by the renowned Barbican Porsche dealer, Charles Follett Ltd. This rare & desirable manual 928 is a C16 UK car with the following factory options; Electric seats Sports seats Locking Diff 8 speaker sound system Sunroof It also comes with a "wide track" kit (not fitted at present) It has FSH and a large history folder including lots of bills, MOT certificates & log books etc. augmented by the original owner's manual and even an original 928 brochure! The 928 S2 is a smart choice for any prospective classic car owner as it provides incredible thrills coupled with legendary reliability. The manual version (as here) is very rare indeed, and we urge seriously interested parties to contact our sales team as soon as possible to avoid disappointment. +44 (0)1207 233 525   Click Here to contact us about this

    • Year: 1984

    Last update: About 1 Month Old

    • Mileage: 109000 mi

    For sale
  • Aston Workshop
    01207 233525
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  • Porsche 928 GTS 5.4 32V V8 5 Speed Manual registered September 1992 finished in Guards Red with Full Grey Perforated Leather Interior, 17 Inch 5 Spoke Alloy Wheels with Black Brake Calipers, Semi Electric Seats, Rear Wiper with Heated Rear Windscreen, Electric Tilt and Slide Sunroof, Cruise Control, Air Conditioning, Electric Windows, Leather Headlining, Leather Gear Lever, Electric Door Mirrors, Headlamp Jet Wash, ABS, Porsche Stability Management, Spare Tyre, Original Toolkit and Warning Triangle, Top Tinted Windscreen, Leather Steering Wheel, Stainless Steel Tailpipes, Door Entry Guards with Red GTS Logo, Front Fog Lamps, Active Carbon Filter, PAS, On-board Computer, Central Locking, Remote Locking Alarm and Immobiliser, Porsche and Specialist Service History at 3,323 on 28/01/93; 5,515 on 11/08/93; 11,712 on 09/11/94; 16,049 on 12/09/95; 21,253 on 22/08/96; 22,545 on 11/07/97; 29,338 on 18/08/98; 30,963 on 15/01/99 with Camshaft Belt Change; 35,128 on 09/02/00; 39,171 on 10/11/00; 45,822 on 14/03/02; 49,478 on 03/03/03; 55,015 on 29/11/04; 60,176 on 20/10/05; 66,277 on 19/01/10 with Camshaft Belt Change; 68,025 on 23/02/11; 72,957 on 24/07/13; Air Conditioning Compressor Replac

    • Year: 1992

    Last update: 3 Months Old
    For sale
  • Targa Florio
    01243 641117
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  • The Porsche 928 is a luxury GT car produced from 1978 to 1995. Originally intended to replace the company's well-known and famed 911, the 928 combined the power, poise, and handling of a sports car with the refinement, comfort, and equipment of a luxury sedan to create what some Porsche executives thought would be a vehicle with wider appeal than the compact, quirky and sometimes difficult 911. Since its inception in 1949, Porsche has manufactured only seven front-engined models, four of which were coupes, including the 928. The car has the distinction of being the company's only coupe powered by a front-mounted V8 engine, and the company's first production V8 powered model. Specifications . This car is just in at Oldtimerfarm, Aalter Belgium. Steenweg op Deinze 51C. Teusday-Saterday 10-17h (no appointment needed) Sunday: closed. Monday strictly on appointment. We specialize in consignment sales of collection cars. We are proud we can offer this car for sale. A more detailed description will soon follow. In the meantime you can have a look at the very ample photo coverage on the website. Of course Xavier or Olivier will be very happy to give you all possible explanations by phone o

    • Year: 1979

    Last update: 10 Days Old
    For sale
  • Oldertimerfarm.be
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  • Porsche 928 GTS 5.5 V8 Exceedingly Desirable 5 Speed Manual finished in Midnight Blue with Full Grey Perforated Leather Interior registered September 1993, One Owner from New, Supplied by AFN Porsche Guildford as Static Demo, Full Brand New Engine Fitted 1,600 miles ago along with Brand New Discs and Pads All Round, 17 Inch 5 Spoke Alloy Wheels with Black Brake Calipers, Electric Seats, Burr Walnut Trim and Door Cards, Leather and Burr Walnut Steering Wheel, Rear Wiper with Heated Rear Windscreen, Electric Tilt and Slide Sunroof, Cruise Control, Electric Windows, Leather Headlining, Electric Door Mirrors, ABS, PSD Limited Slip Differential, Space Saver Spare Tyre, Original Toolkit and Warning Triangle, Porsche Service and last serviced at Porsche Alicante on 20/08/14 at 70,495 KMs. Finance available on request - subject to status. Ask about our Company Directors packages. Fully Valeted; 12 Months MOT; UK Wide Delivery Available; Part Exchange Welcome.

    • Year: 1993

    Last update: 4 Months Old
    For sale
  • Targa Florio
    01243 641117
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  • This limited ownership Porsche is in excellent running and driving condition, with working A/C. A very original unmolested car that has been well maintained, with its stickers all in the original placement, and is a desirable model. It has good body fit, is rust free, and is equipped with several options such as an electric sunroof, power windows, door locks, and seats. The entire clutch system was replaced along with the brakes at 106K miles, and have less than 2k miles of wear. At that time, a full review was done of the car, and all fluids were changed. The tires have less the 6k miles wear on them with plenty of life left. All receipts will accompany the purchase (going back as far as 1991) as well as the shop/owner manual with service stamps from new. All tools are present except 1 wrench from rear kit, and the dash is 100% original. This Porsche is surely one to become a favorite for weekend drives or as your daily driver.

    • Year: 1988

    Last update: 6 Months Old

    • Mileage: 108189 mi

    For sale
  • Classic Showcase
    (760) 758-6100
    see details
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