Corvette C6 Convertible (2005-2010) running costs and reliability

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Running costs rating: 1 out of 51.0

Written by Simon Harris Published: 6 June 2019

Miles per pound (mpp)

Reliable fuel consumption data for comparison purposes is not available for this model.

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Fuel economy

A more stringent standard for fuel economy (WLTP) was introduced from September 2017, and this model was not required to undergo that test. Its fuel economy measured under the previous test system was 21 - 22 mpg. However these figures are less likely to be achievable in real world driving and so should never be compared to another car's mpg which was measured under the newer, more realistic WLTP system.

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The Corvette is something of a bargain compared to similar performance cars, but this only offsets the depreciation it will suffer. Expect to lose around a third of the car’s new price in two years. Keeping that V8 engine fuelled will be expensive too – the Corvette averages just 22mpg. Service intervals are 10,000 miles, but finding a qualified garage could prove tricky.

Insurance will also be expensive as the Corvette Roadster is a real rarity on UK roads and could be problematic to repair if damaged.

As a high performance sports convertible the Corvette Roadster is a high-emission car. It emits 317g/km of CO2 and returns just 21mpg.

The Corvette’s V8 engine is very strong and unstressed, while the gearboxes are trouble-free too. Build quality appears much higher than previous Corvette’s, but some of the interior plastics look and feel cheap compared to rivals.