Vauxhall Sting Ecoflex - 50,500 Miles Low Mileage Well-maintained, Full Service History. Vauxhall Sting Ecoflex with 50,500 miles. Dependable for everyday driving, whether on the motorway or around town in city mode. Economical and practical with low road tax, low insurance group, and excellent fuel efficiency. Perfect for an affordable, worry-free ride. ***Open to reasonable offers.*** Key features include: # Low road tax # Lower insurance group # Cruise control for relaxed motorway driving # City mode for easy manoeuvring in traffic # Heated front and rear windscreen for winter mornings # Full service history (FSH) for peace of mind # Cruise control