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Citroën SM
Citroën SM | |
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Citroën | |
aka | 'Project S' |
Production | From 1970 to 1975 |
Class | Grand tourer |
Body Style | 2 door Coupe |
Length | 489.3 cm (192.6 in) |
Width | 183.6 cm (72.3 in) |
Height | 132.4 cm (52.1 in) |
Wheelbase | 290 cm (114.2 in) |
Weight | 1460 kg (3219 lb)
(carburetted version) 1520 kg (3351 lb) (fuel-injection version) |
Transmission | Manual 6 speed and Automatic |
Engine | 2.7 L V6 with Weber 42 DCNF carburettors, "C114-1" (170 bhp) (1970-1972)
2.7 L V6 with Bosch D-Jetronic injection, "C114-03" (178 bhp) (1973-1976 - Not available in the US) 3.0 L V6 with Weber 42 DCNF carburettors, "C114-11" (180 bhp) (1971-1975 - US only in 1971, rest of the world, automatic only in 1974 & 1975) |
Power | {{{Power}}} |
Similar | Citroën DS
Maserati Merak Maserati Quattroporte II Citroën CX |
Designer | Robert Opron |
The Citroën SM was a high performance coupé produced by the French manufacturer Citroën between 1970 and 1975. The SM placed third in the 1971 European Car of the Year contest, trailing its stablemate Citroën GS, and won the 1972 Motor Trend Car of the Year award in the US in 1972.
Styles and Major Options
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Pricing
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Gas Mileage
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As seen on the FuelEconomy.gov website, the City/Highway MPG averages are as follows:
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Engine and Transmission
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Performance
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If using information gathered from Road Test articles from a reputable automotive source, then please make sure to cite the quote.
Reliability
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Safety
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Photos
Colors
Color 1971 1972 1973 1974 AC 525 - Vert des Tropiques M 16% 9% - - AC 318 - Sable métallisé M 20% 18% - - AC 319 - Feuille dorée M 21% - - - AC 424 - Rouge de Rio (1) 4% - - - AC 088 - Blanc meije 13% 14% 12% 7% AC 632 - Bleu platine M 11% - - - AC 095 - Gris nacré (2) 14% 15% 13% - AC 200 - Noir 1% 1% 1% 1% AC 427 - Brun scarabée M - 16% 19% 16 AC 527 - Vert argenté M - 18% 8% 7% AC 426 - Rouge de Grenade - 4% - - AC 616 - Bleu d'Orient - 4% 3% - AC 637 - Bleu de Bregancon - - 10% - AC 326 - Or de Simiane M - - 16% 13% AC 085 - Beige Tholonet M - - 20% 10% AC 082 - Gris Largentière M - - - 19% AC 640 - Blue Delta M - - - 12% AC 430 - Brun Roquebrune M - - - 15%
Main Competitors
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Unique Attributes
The SM combines many unusual and innovative features, some of which are only just becoming commonplace on cars of today. It borrows heavily from the innovations introduced on the DS, by including hydro-pneumatic (oleopneumatic) self-leveling suspension, and self-leveling lights that swiveled with the steering (except in the USA where these were illegal at the time).
The steering is self-centering and fully-powered (as opposed to hydraulically assisted). This feature allows the front wheels to run near-zero caster, and means that there is no camber change as lock is applied, and also ensures that the maximum amount of tyre area is in contact with the road at all times. The system also adjusts the hydraulic pressure on the steering centering cam according to vehicle speed so that the amount of steering feel remained almost constant at any speed, counteracting the tendency of manual and ordinary power assisted steering to feel light at high speed. Thus the car turns easily at low speed, emphasized by high gearing given two turns lock-lock, and relatively more effort is required at higher speed. Many contemporary reviewers remarked that this system would take at least 50 miles (80 km) of driving to become familiar, but once the driver is accustomed to the system traditional steering feels old-fashioned[3].
The wiper mechanism is 'sensitive' to rain, while the steering column is adjustable in both height and reach.
The braking system, adapted from the DS, employs disk brakes at all four corners (the DS has drums at the rear), with the front brakes being inboard, and cooled via large ducts on the front underside of the car. The hydraulic braking pressure front to rear balance is self-adjusting according to the weight in the rear of the car.
Standard wheels are steel with stainless trims, but a factory option was available for lightweight wheels made of composites. These wheels weigh less than half the standard weight and are possibly a unique application of composites on a production vehicle.
Interior
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Resale Values
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Criticisms
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Worldwide
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Design quirks and oddities
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Awards
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See also