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Porsche 928 buying guide (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 in the classic press. 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 race car, the 928 was always marketed as a GT and about 80% 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.


You won't hear a bad word said among 928 owners about Paul Anderson. He has been specialising in the cars for the past ten years, and race-prepping them for six – as a 1970s model, the 928 is fast catching on among the historic race and rally crowd.

‘928s are definitely on-the-up at the moment,’ he says, before adding: ‘…but prices are lower than they were four years ago. Interest goes in peaks and troughs, and it’s the current price of fuel that dictates values.

‘Condition is more important than model or year. A superb car, early or late, might be £15,000 but good examples start at around £5000, slightly less for an S2. A GT will be at least £6000-6500 and the GTS £8000 upwards.

‘That said, you can pick up a 928 for much less if you’re lucky. One of our customers recently bought a tidy 928S for a grand…’


First, the good news: 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/60,000 miles; it’s wise to renew the water pump at the same time, which accounts for over half of the c£500 that a specialist will charge.

The 928’s suspension hardly changed during production: ‘You could, in theory, fit GTS suspension to a 1970s car,’ claims Paul Anderson. OE -spec dampers are now hugely expensive but Paul offers a set of specially produced gas-filled units for £700.

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,’ says Paul – while 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; it’s hard to find, even secondhand.


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. With decent examples available from £2500, they’re amazing value. Among the restyled cars, the S4 is the sensible buy – ‘its engine is bulletproof,’ says Paul Anderson – while the GTS is the most hardcore and most expensive to fix, having unique brakes and engine.

Buying any older high-performance car is a gamble. But one thing’s for sure: petrol is never going to get any cheaper…


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.
Porsche 928 front Porsche 928 side Porsche 928 rear Porsche 928 engine Porsche 928 interior
Last updated: 5th Dec 2014
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Porsche 928 cars for sale

9 Search results
Porsche 928
10995 60000 GBP
  • Auburn Auction Park
    Auction Date: 04 Sep 2015
    Last update: 1 Day Old
    Auction Date: 04 Sep 2015
  • Auctions America
    +1 260 927 9797
    see details
  • 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: 11 Days Old
    For sale
  • Targa Florio
    01243 641117
    see details
  • Solid Red, Excellent bodywork, Interior - Excellent Condition, Tyre condition New, Black leather interior with red piping, Cup Alloys(Original alloys included), Full electrics, Original sound system and phone, Air con(fully serviced), Sunroof, Complete tool kit, Alarm/Immobilizer, New automatic gearbox, New water pump, New coolant radiator, Extensive service history, Immaculate condition throughout! Please call Barry on 07894 078462.;;

    Last update: 21 Days Old

    • Mileage: 147000 mi

    • Engine size: 4.957

    For sale
  • Brooklands (Kent) Ltd
    01322 616 716
    see details
  • 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: 11 Days Old
    For sale
  • Targa Florio
    01243 641117
    see details
  • Porsche 928 S4

    £17,995 £17,995

    Porsche 928 S4

    The Porsche 928 was a sports-GT sold from 1978 to 1995 and was an immediate hit with orders in the UK far outstripping demand. Originally intended to replace the company's iconic 911, the 928 attempted to combine the power, poise, and handling of a sports car with the refinement, comfort, and equipment of a luxury saloon to create what some Porsche executives thought would be a vehicle with wider appeal than the compact, quirky and sometimes difficult 911. The 928 qualified as a 2+2, having two small seats in the rear. Both rear seats could be folded down to enlarge the luggage area and both the front and rear seats had sun visors for occupants. Porsche's design and development efforts paid off during the 1978 European Car of the Year competition where the 928 won ahead of the BMW 7-series and the Ford Granada. The 928 is the only sports car so far to have won this competition as the usual winners were mainstream hatchbacks and saloons from major European manufacturers. This is regarded as proof of how advanced the 928 was compared to its contemporaries. This right-hand drive 1988 Porsche 928 S4 has been carefully looked after by all of its four owners who have kept it fully mainta

    • Year: 1988

    Last update: 12 Days Old

    • Mileage: 928 mi

    For sale
  • Arun Ltd
    01798 874477
    see details
  • PORSCHE 928 GTS AUTOMATIC 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. Produced from 1978 to 1995, 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. This late model 928 GTS, the most desirable variant, was first registered in Paris having been delivered new through the official concessionaire and has more recently been in careful ownership in Belgium. It is very clear, upon close inspection, that this has been a cherished car. Unfeasibly clean in all areas and with so little evidence of the usual rigours of daily life, one can only believe that it has always been one of a stable of fine automobiles. Having recently had the great pleasure of an extended European run, the writer can testify to faultless performance in all respects. The engine starts easily from cold and when hot, idling quietly and without smoke while idling quietly and maintaining a normal operating temperature. The Automatic box is silky smooth and the engine pulls as willingly as one might anticipate. All instruments and accessories operate correctly. Here is a rare opportunity for the discerning buyer to secure a genuine bargain. These fine automobiles have significantly increased in value in the last short while. Those in the know speculate that there is much to be gained by snapping up examples such as this, both for driving pleasure and potential financial benefit. A showstopper in Basalt black metallic with Black hide, shimmering in the summer sunshine during the coming heatwave!

    Last update: About 17 Hours Old
    For sale
  • DD Classics
    0208 8783355
    see details
  • 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: About 1 Month Old

    • Mileage: 108189 mi

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