BMW 1 Series v A-Class v Audi A3 v Golf: The Ultimate Quality Test

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Should you spend £35,000 on a brand-new 2026 hatchback, or is the "Smart Money" choice a 3-year-old bargain from this legendary group test? In 2026, these four titans—the BMW 1 Series, Mercedes A-Class, Audi A3, and VW Golf—are flooding the used market for under £20,000. But which one is a used mast