Costs and actual consumption: Porsche 917 Cayman with PDK

The four-cylinder looks economical. Less boxer engine and 300 hp turbo rather not at all. We tested and calculated the economy of the Porsche 917 Cayman on a daily basis.

Those who drive a Porsche tend not to be one of those drivers who are overwhelmed with chills, cold sweats and panic attacks at the pump – or maybe they are? Because sports vehicles in particular are usually assumed to have a certain will to drink, which is high even when driving calmly and sometimes gets out of control at a sporty pace. Especially when sporty performance is tickled by small, sophisticated turbo engines. The supercharged four-cylinder boxer of the Porsche 718 Cayman with PDK is not exactly small: the mid-engined sports car has a displacement of almost 2 liters. But with 300 hp and 380 Nm of peak torque, the cheapest basic Porsche (without PDK) doesn’t exactly come with too much combustion chamber volume. What influence does this have on the consumption characteristics and the cost balance? We tested it.


Our consumption test

Porsche specifies a WLTP standard consumption of 8.6 liters for its entry-level model. In the test, this turns into 9.7 liters of Super Plus, which leads to fuel costs of 19.50 euros for the distance of 100 kilometers. At exactly 7.0 litres, Eco consumption is well below WLTP level; the value of the gasoline needed for 100 kilometers drops to 14.07 euros. A passable value! A sporty driving style increases consumption to 12.3 liters and with it the cost of fuel to 24.72 euros per 100 kilometers. With Pender consumption, 9.7 liters pass through the combustion chambers, resulting in a daily cost of 19.50 euros. These values ​​are calculated using the daily updated fuel price on our partner portal mehr-tanken.de (08.06.2022 / Super Plus: 2.01 euros/litre).


Achim Hartman

The test consumption consists of 70% of the commuter ride and 15% each of Eco and Sport.

Monthly maintenance costs

As with any other car, motor vehicle taxes are due year after year for the Porsche 718 Cayman. They amount to 304 euros for the large sports SUV. According to Allianz Direct, liability insurance costs 349 euros for the same period. A partially complete upgrade costs an additional 269 euros. A supplement of 788 euros is due for the multi-risk policy. In total, the monthly maintenance costs amount to 423 euros if the 718 Cayman travels 15,000 kilometers per year. If the mileage doubles, the Porsche costs 785 euros per month. We omit impairment in this calculation.


Costs and actual consumption: Porsche 917 Cayman (PDK)

Achim Hartman

The Porsche 718 in the test car version costs 69,970 euros. The base including PDK is available from 60,864 euros.

That’s how it’s tested

The consumption of the auto motor und sport test consists of three differently weighted consumption cycles. The so-called “commuter consumption” accounts for 70%. This is a home-to-work journey of an average of 21 kilometres. A particularly economical ecological tour of approximately 275 kilometers in length is included in the bill with 15%. The remaining 15% is represented by the sports driver’s lap. The length is about the same as the Eco tour, but the route includes a greater proportion of motorway and therefore higher speeds on average. The basis for calculating fuel costs is always the price listed on the “more tanken” portal on the day the article was created.


Monthly maintenance costs include maintenance, wear parts costs and vehicle taxes based on an assumed annual mileage of 15,000 and 30,000 kilometers without loss of value. Calculation is based on test fuel consumption, three-year holding period, SF12 no-claims class for third-party liability and all-risk insurance with Allianz Direct including garage discounts and restriction to certain drivers (accident-free / 15,000 km per year / resident in the area of ​​postcode 70174 / not less than 21 years old / partner driver over 25 years old).


Conclusion

The Porsche 718 Cayman with PDK and 300 hp costs at least 60,864 euros and consumes an average of 9.7 liters, resulting in fuel costs of 19.50 euros per 100 kilometers. Monthly maintenance costs are 423 euros with an annual mileage of 15,000 kilometers. If this increases to 30,000 kilometers, the sum increases to 785 euros per month.

Technical specifications

Porsche 718 Cayman Cayman
starting price €60,864
external dimensions 4379x1801x1295mm
trunk volume 150 to 275L
displacement / engine 1988 cc / 4 cylinder
performance 220 kW / 300 hp at 6500 rpm
top speed 275km/h
0-100km/h 4.6s
consumption 7.9L/100km
test consumption 9.7L/100km

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