Porsche 911 997 GT3
Porsche 911 GT3 997 offers insights on UK market values, critical inspection points, and running costs for prospective buyers. Discover off-market options and find yours.
The 997 GT3 arrived in 2006 as the road-going expression of Porsche’s GT3 Cup racer. Developed by the GT department under Andreas Preuninger and powered by the Hans Mezger-designed dry-sump flat-six, it kept the formula simple: naturally aspirated power, six-speed manual, rear-wheel drive and hydraulic steering. Two phases define the model. The 997.1 (2006–2009) used a 3.6-litre engine rated at 415 PS (409 bhp). The 997.2 (2009–2012) adopted a 3.8-litre at 435 PS (430 bhp), brought revised aero, broader cooling, centre-lock wheels and optional dynamic engine mounts with Sport Chrono. Both cars were manual-only; neither used rear-axle steering. Porsche Active Suspension Management (PASM) was standard, with steel brakes as standard and PCCB ceramics optional. Stability control calibration evolved with the facelift but remained fully defeatable. Performance is still contemporary. Porsche quoted 0–62 mph at 4.3 seconds (997.1) and 4.1 seconds (997.2), with top speed just under 195 mph. The engines are notable for their reach as much as their numbers: 8,400 rpm in the 3.6 and 8,500 rpm in the 3.8, on titanium con-rods and with genuine motorsport-grade lubrication. Variants matter. The GT3 RS sharpened the package with reduced mass, shorter gearing and broader tracks; the 997.2 RS gained a lift to 450 PS (444 bhp). The RS 4.0 closed the chapter in 2011 with 3,996 cc and 500 PS (493 bhp); 600 were built worldwide. These cars trace a straight line to the Cup and RSR programmes of the period, which shared the same engine architecture and much of the chassis thinking. In context, the 997 GT3 sits at a crossroads. It is the last GT3 with the Mezger engine and the last offered only with a manual gearbox, and it retains hydraulic steering. Later cars are objectively quicker and more complex; earlier ones are rawer but less usable. Our view is that the 997 combines genuine motorsport hardware with day-to-day robustness and size that still suits British roads. Original UK list pricing sat in the £80,000–£90,000 band for the GT3 depending on year and options; RS models were six-figure cars when new, with the RS 4.0 over £120,000. Today, specifications (Clubsport pack, PCCB, buckets), provenance and mileage drive the spread as much as model year. Hub summary: What it is — the Mezger-engined, manual-only GT3 (2006–2012). Why it matters — last hydraulic-steer GT3 with direct links to Porsche’s Cup car, in two distinct 3.6 and 3.8 phases plus RS derivatives up to the 4.0.