Why This BMW 4 Series Wins? This 2016 BMW 4 Series 420i M Sport is a standout example, boasting exceptionally low mileage for its age — just 54,966 miles. Featuring a refined 2.0 litre petrol engine that meets Euro 6 emissions standards, it delivers a perfect blend of performance and efficiency. The M Sport trim enhances both appearance and handling, showcasing 19" M Double Spoke Style 442M alloy wheels, a Nappa leather M gear selector, and rear Park Distance Control with parking sensors for effortless manoeuvring. Inside, the cabin is equally impressive with automatic two-zone climate control and bright Xenon headlights ensuring comfort and visibility in all conditions. Your Peace of Mind? - Clear vehicle history check - Optional 3–36-month extendable warranties - Free 12-month AA roadside assistance - Last Serviced, November 2025 | MOT until November 2026 - 5 Day Drive-Away Insurance - No hidden or extra costs, like admin fees Autotrader's 2024 Insights: Top 3 4 Series Buyer Priorities: - Sporty performance with refined comfort - Premium styling and build quality - Excellent fuel efficiency for its class - The 2016 420i M Sport delivers on all fronts — achieving 46 mpg fuel economy, low CO? emissions, and belonging to a low insurance group, making it both enjoyable to drive and economical to own. Stress-Free Next Steps: - Free Part Exchange Valuation - £0 Deposit Car Finance – Includes free credit checker - Reserve for £99 – Fully refundable - 7-Day Test Drives – Book any day of the week