# Porsche 928 928 S4: options and prices

- Generation overview: https://www.retroconfigurator.com/wiki/928.md
- Web page: https://www.retroconfigurator.com/wiki/928/928_s4
- Model years: 1987–1991
- Base price: 1987: $58,900; 1988: $69,380; 1989–1990: $74,545; 1991: $77,500

## How to read this page

- Prices are US list prices in the dollars of that model year.
- "Not sourced" means the option was offered but no source for its price has been found. It does not mean free.
- A code of `none` means the factory code is not documented. Name the option instead of supplying a code.
- The same code can mean different things in different generations.
- "(assumed)" marks availability that is inferred: the option is documented in other model years of the same phase of the generation, or on the trim this one derives from, and is assumed here.

## Standard equipment

- 5.0-liter (4957 cc) 32-valve V8, 316 hp
- 5-speed manual or 4-speed automatic (MY1987-1989); 4-speed automatic only (MY1990-1991)
- Rear-wheel drive, rear transaxle
- 16 x 7 front and 16 x 8 rear wheels, 225/50 VR16 and 245/45 VR16 tires

## Options

### Transmission

| Code | Option | US price by year |
| --- | --- | --- |
| 481 | 5-speed manual transaxle | 1987–1989: Not sourced |
| 249 | 4-speed automatic transmission | 1987–1988: Not sourced; 1989: No charge; 1990–1991: Not sourced |

### Performance & Sound

| Code | Option | US price by year |
| --- | --- | --- |
| 221 | Porsche variable-locking differential (PSD) | 1990–1991: Not sourced |

### Chassis & Brakes

| Code | Option | US price by year |
| --- | --- | --- |
| 482 | Tire pressure monitoring system | 1990–1991: Not sourced |

### Exterior Design

| Code | Option | US price by year |
| --- | --- | --- |
| 650 | Electric sunroof with wind deflector | 1989–1991: No charge |
| 418 | Protective side moldings | 1989–1991: No charge |
| none | Rear model designation | 1989: No charge |
| none | Side model designation | 1987: No charge |

### Seats

| Code | Option | US price by year |
| --- | --- | --- |
| 139 | Heated front seats | 1989: $231; 1991: $272 |
| none | Supple (soft) leather seats | 1989–1990: $505 |
| 340 | Heated front passenger seat | 1989: $231; 1991: $272 |

### Comfort & Assistance

| Code | Option | US price by year |
| --- | --- | --- |
| none | On-board computer | 1987–1988: Not sourced (assumed); 1989: Not sourced |
| 562 | Driver and passenger airbags | 1990–1991: Not sourced |
| none | Increased-capacity air conditioning | 1989–1991: No charge |

### Infotainment & Audio

| Code | Option | US price by year |
| --- | --- | --- |
| none | Blaupunkt Reno cassette radio | 1989: No charge |

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Contains information from RetroConfigurator (retroconfigurator.com), made available under the Open Database License (ODbL). License: https://www.retroconfigurator.com/data-license

Historical figures compiled from public sources, provided as-is without warranty and not for purchase or valuation decisions. RetroConfigurator is an independent project, not affiliated with Porsche AG.