Used car buying guide: Lexus SC430

Prices start at around £3000 for a 2002 car with 110,000 miles. If it’s a late 2002 model, there’s a chance it has the tweaked suspension that brought improvements to the ride, handling and refinement. Still not satisfied, Lexus added new dampers and tuned the chassis in late 2004. The result was a more absorbent ride, allied to sharper handling. These mid-life cars start at around £7500. In 2005, the SC was mildly facelifted with revised bumpers and redesigned 18in alloy wheels.

SC owners are loyal and fastidious so you’ll find a lot of cherished cars with just one or two former keepers, full Lexus histories and reasonably low mileages. Even the youngest cars are now nine years old, so expect some wear-and-tear-related issues. However, the first are as old as 17. On these, check for underbody rust, clonky suspension, evidence of timing belt and water pump replacement, healthy fluid levels and a smooth gearbox. At all ages, oxygen sensors and the tyre pressure monitoring system are weak points. Still want one? Good – Marmite’s quite nice, once you get used to it. 

Click here to see used Lexus SC for sale on PistonHeads

An expert’s view

Lee Massey, owner: “I’m a former Lexus technician and have owned two SC430s, including my current car, a 2004/04 with 80,000 miles. I remember the SC430 from my Lexus days as being reliable and well built and my used ones haven’t given me any trouble. If you like wafting about in something powerful and different that isn’t going to give you sleepless nights worrying about repair bills, it’s hard to beat.”

Buyer beware…

ENGINE - Some head gasket failures have been recorded due to very low coolant levels. Check the condition of the lower radiator, which can leak into the gearbox oil cooler. Likewise, fluid from the gearbox can leak into the coolant. The oxygen sensor in the exhaust system can fail. Check the starter motor works okay since it’s located inconveniently beneath the inlet manifold, which has to be removed to replace it. The vapour canister is there, too, and these can fail, expensively. Timing belt change is every 100,000 miles. Water pump should be changed at the same time since it’s a weak spot, as is the centre belt tensioner.

GEARBOX - It should be very smooth. If juddery, suspect coolant contamination. Transmission fluid should be changed every 45,000 miles.

WHEELS, BRAKES AND SUSPENSION - Check for worn top suspension arms at the rear and worn front wheel bearings. If the ride on early cars is rough, suspect the front control arm bushes. Listen for clunks from here too. Steel parts in the aluminium suspension can rot. Check the brake pipes’ condition. Ensure the tyre pressure monitoring system works. Some owners disable it as the valves fail but it’s an MOT issue. Steering wheel noise when turning could be the spiral cable (an expensive repair).

BODY - Check for underbody corrosion, especially at the rear around the back axle and subframe. 

FOLDING HARD-TOP - Position sensors can fail with lack of use. Check for leaks caused by perished seals and for roof corrosion.

INTERIOR - Ensure the music system is fault-free: subwoofer and door speakers can fail.

Also worth knowing

Amazingly, you can still buy an approved used SC430 from Lexus. At time of writing, there were seven, ranging from £10,990 to £16,995.

How much to spend

£2750-£3500 - A cluster of high-mileage (120k) 2002- reg cars with partial service histories.

£4995-£6995 - Mix of 2002-2003 cars with 100k miles in good condition, most with full service histories and few previous owners.

£7000-£8995 - Mainly 2004-2005 cars with around 75k miles. £9000-£10,995 Mostly 2005-2007 cars, circa 70k miles.

£11,000-£13,995 - More 2007 cars with around 50k miles. £14,000-£16,995 The best late-plate cars.