1963 ATS 2500 GT 3.0 Litre Coupé Sold for $503,611 at 2009 RM Auctions Pre-Auction Estimate: $600,000 - $1,000,000 No Reserve. 300 bhp, 3,000 cc mid-mounted light alloy V8 engine with single overhead camshaft per cylinder bank and four twin-choke 38 IDM Weber carburettors, five-speed manual gearbox in rear transaxle, independent front suspension with double wishbones, coil springs and tubular shock absorbers, independent rear suspension with double wishbones, leading radius arms, coil springs and tubular shock absorbers, and four-wheel Dunlop hydraulic disc brakes, mounted in-board at the rear. Wheelbase: 98.5'