Citroen SM

vs

Citroen CX

France vs France — 1970 vs 1974

Citroen SM (1970)
Citroen CX (1974)
Specifications
SM InjectionCX GTi Turbo
Horsepower170 hp168 hp
Torque167 lb-ft203 lb-ft
Engine Size2,670 cc2,500 cc
0-60 mph8.5 sec7.9 sec
Top Speed137 mph137 mph
¼ Mile16.3 sec16.0 sec
Weight3,197 lbs3,042 lbs
Wheelbase2,900 mm2,900 mm
Length4,890 mm4,770 mm
Units Produced12,920
Original MSRP$11,500
Value (Excellent)$150,000$45,000
Collectibility9/107/10
Rarity8/107/10
The Verdict

This matchup is remarkably close. The 1970 Citroen SM Injection offers stronger collectibility, while the 1974 Citroen CX GTi Turbo counters with quicker acceleration, better value. Neither holds a decisive advantage, making this a true enthusiast's dilemma. Your choice ultimately depends on which driving philosophy resonates more with you.

Overview

Within the Citroen stable, the 1970 Citroen SM Injection and 1974 Citroen CX GTi Turbo represent different approaches to performance and purpose. Both carry the Citroen badge, yet each carves out its own distinct identity. On paper, the two are remarkably close in power output, with the 1970 Citroen SM Injection producing 170 hp and the 1974 Citroen CX GTi Turbo delivering 168 hp. Under the hood, the contrast is notable: the Citroen SM uses a V6 DOHC Maserati displacing 2,670 cc, while the Citroen CX relies on a Inline-4 SOHC Turbo with 2,500 cc. In the sprint to 60 mph, the 1974 Citroen CX GTi Turbo edges ahead at 7.9 seconds versus 8.5 seconds. On the collector market, the 1970 Citroen SM Injection commands a significant premium over the 1974 Citroen CX GTi Turbo, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1970 Citroen SM Injection rates higher among enthusiasts and auction houses.