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Porsche 911 Backdate

Porsche 911 Backdate

Coupé, 1989


  • 4 year development
  • TÜV-accompanied development
  • Perfection down to the last screw

Porsche 911 "Newgen" – Mletzko Newgen GmbH & Co. KG

When creating this type of vehicle, it was important to us to refine the fundamentally already existing aesthetic line of the Porsche and to create a car with technical perfection that you can use for bread, but with which you also cut a good figure on the racetrack.

You can read more about our work here: Mletzko Porsche – An affair of the heart

Important: The vehicle shown and described here is a reference vehicle that has already been sold. The vehicle serves as a reference and sample for vehicles that are individually manufactured according to customer requirements.

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Price: on application Deductible VAT


Sander Automotive GmbH & Co. KG
Martinistraße 92
49078 Osnabrück
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The vehicle in detail

Classic meets modern

The Porsches converted by Mletzko are based on the 964 series, the body of which is based on the F models, consists of newly designed carbon parts and is equipped with a 4.0 l engine and 369 hp or 3.9 l engine and 345 hp.

No compromise

During development, it was very important to us that we look at the whole car and not just modify parts of it, but look at every part that is available and consider whether it can be improved or replaced, or needs to be redesigned – and before all that every change is also approved by TÜV. To this end, we included TÜV Nord from the start and discussed and approved all changes we made with them.

700 parts redesigned

In this project planning, not only were the hinges, brackets and small parts newly designed by us and built in-house, but also the rims, licensed by the company Fuchs, headlights, indicators and another approx. 700 parts were replaced. In addition to the engine, one of the most demanding parts was the development of a new wiring harness, which resulted in a weight saving of around 20 kg.

1,145 kg

This is the new curb weight. With the chassis, which is directly adapted to the vehicle, the RS wheel carriers and the new wheel / tire combination, the car also cuts a fine figure on the racetrack.

Vehicle data:

  • Year of construction: 1989
  • Model name: 911 newgen
  • Body: Coupé
  • Series: 964
  • Power: 345 hp
  • Steering: left
  • Transmission: 6-speed, shortened
  • Drive: all-wheel drive
  • Equipment: individual
  • Interior color: brown
  • Material: leather
  • Exterior color: green
  • Manufacturer color name: –
  • Condition New
  • used cars
  • Country of delivery: Germany
Continue reading


Year of construction: 1989
Model: 911 Backdate
Body: Coupé
Series: 911 Backdate/Modified
Power: 345 HP
Cylinder capacity: 3,9 Liter
Steering: left
Transmission: Manual
Drive: Four-wheel drive
Fuel: Gasoline
Configuration: Sun roof ABS Servo steering Navigation system Air conditioning
Interior color: Brown
Interior material: Leather
Exterior color: Green
Condition: Fully restored
New / used: Used car
Ready to drive: yes
Country of first delivery: Germany

More information

Elferspot magazine Porsche Backdate/Modified

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Andre Lührmann

Andre Lührmann from Sander Automotive GmbH & Co. KG looks forward to your questions and is happy to help you.

Porsche 911 Backdate

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