CITROËN SM

Sold/no built 1970-’75/12,920

Construction steel unitary with aluminium bonnet

Engine all-alloy, dohc-per-bank 2670/2965cc V6, with three Weber carburettors or Bosch D-jetronic fuel injection

Max power 170-180bhp @ 5500rpm

Max torque 164-181Ib ft @ 4000rpm

Transmission five-speed manual, FWD

Suspension independent, by trailing arms interconnected hydropneumatic self-levelling struts f/r

Steering speed-sensitive rack and pinion

Brakes discs

Length 16ft 4/5in (4897mm)

Width 6ft 1/4in (1835mm)

Height 4ft 41/2in (1333mm)

Wheelbase 9ft 81/4in (2959mm)

Weight 3298Ib (1496kg) Mpg 16

0-60mph 9 secs Top speed 135mph

Price new £5500

Price now £40,000+