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Mercedes-Benz SLK Class holds its value better — 44% five-year retention against 42% for the Bentley Continental GT.
On five-year value retention the Mercedes-Benz SLK Class comes out ahead, holding about 44% of its value versus 42% for the Bentley Continental GT. Over the first five years the Mercedes-Benz SLK Class loses roughly $16,638 while the Bentley Continental GT loses about $153,382 — a gap near $136,744.
First-year drop is the biggest factor: the Mercedes-Benz SLK Class sheds about 13% in year one versus 16% for the Bentley Continental GT. If you buy used, the steeper early drop is what the original owner absorbs.