Smart Forfour

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Smart Forfour
2015 Smart Forfour Prime Premium T 900cc.jpg
ManufacturerDaimlerChrysler (2004-2006)
Daimler AG (2014-present)
Production2004–2006 (Mk I)
2014–present (Mk II)
Body and chassis
ClassCity car (A)
Body style5-door hatchback

The Smart Forfour (stylized as "smart forfour") is a city car (A-segment in Europe) presented and produced by Smart over two generations. The first generation was marketed in Europe from 2004 to 2006 (5 door, front engine) and the second generation was marketed in Europe from 2014 onwards (5 door, rear engine).

The first generation Forfour was marketed only in Europe from 2004 to 2006 and in Australia as a 4-door, 5-seat hatchback, sharing its platform with the Mitsubishi Colt. After an eight-year hiatus, the second generation Forfour debuted in July 2014, sharing its platform with the forthcoming third generation Renault Twingo (four door, rear engine) and mechanicals with the third generation Smart Fortwo (two door, rear engine).

First generation (W454, 2004–2006)[edit]

First generation car
2005 Smart Forfour Pulse 1.1.jpg
AssemblyBorn, Netherlands (NedCar)
Body and chassis
Body style5-door hatchback
LayoutFront-engine, front-wheel-drive
RelatedMitsubishi Colt
Engine1.1 L I3 12-valve (petrol)[1]
1.3 L I4 16-valve (petrol)
1.5 L I4 16-valve (petrol)
1.5 L OM639 I3 Cdi (diesel)
Transmission5-speed manual
6-speed semi-automatic (Softouch)[2]
Wheelbase2,500 mm (98.4 in)
Length3,752 mm (147.7 in)
Width1,684 mm (66.3 in)
Height1,450 mm (57.1 in)


Petrol engines[3]
Model Years Type/code Power, torque@rpm
smart forfour 47 kW 2005– M 134 E 11 red.) 64 PS (47 kW; 63 hp)@5500, 92 N⋅m (68 lbf⋅ft)@2500
smart forfour 1.1l (55 kW) 2004– M 134 E 11) 75 PS (55 kW; 74 hp)@6000, 100 N⋅m (74 lbf⋅ft)@3500
smart forfour 1.3l (70 kW) 2004– M 135 E 13) 95 PS (70 kW; 94 hp)@6000, 125 N⋅m (92 lbf⋅ft)@4000
smart forfour 1.5l (80 kW) 2004– M 135 E 15) 109 PS (80 kW; 108 hp)@6000, 145 N⋅m (107 lbf⋅ft)@4000
smart forfour BRABUS 2005– M 122 E 15 AL) 177 PS (130 kW; 175 hp)@6000, 230 N⋅m (170 lbf⋅ft)@3500
Diesel engines[3]
Model Years Type/code Power, torque@rpm
smart forfour 1.5l cdi (50 kW) 2004- 1,493 cc (91.1 cu in) I3 (OM 639 DE 15 LA red.) 68 PS (50 kW; 67 hp)@4000, 160 N⋅m (118 lbf⋅ft)@1600
smart forfour 1.5l cdi (70 kW) 2004- 1,493 cc (91.1 cu in) I3 (OM 639 DE 15 LA) 95 PS (70 kW; 94 hp)@4000, 210 N⋅m (155 lbf⋅ft)@1800

The 1.5 L (92 in3) common direct injection (cdi) diesel engine, is a three-cylinder Mercedes-Benz engine derived from the four-cylinder used in the Mercedes-Benz A-Class, and is available with either 68 PS (50 kW; 67 hp) or 95 PS (70 kW; 94 hp).


Petrol engines
Model Years Types
smart forfour 47 kW 2005- 5-speed manual
smart forfour 1.1l (55 kW) 2004- 5-speed manual, 6-speed automatic (softouch plus)
smart forfour 1.3l (70 kW) 2004- 5-speed manual, 6-speed automatic (softouch plus)
smart forfour 1.5l (80 kW) 2004- 5-speed manual, 6-speed automatic (softouch plus)
smart forfour BRABUS 2005- 5-speed manual
Diesel engines
Model Years Types
smart forfour 1.5l cdi (50 kW) 2004- 5-speed manual, 6-speed automatic (softouch plus)
smart forfour 1.5l cdi (70 kW) 2004- 5-speed manual, 6-speed automatic (softouch plus)
Smart Forfour rear


The car was produced at the NedCar factory in the Netherlands in conjunction with Mitsubishi Motors. This is the same factory that produced Volvo 300s in the 1970s and 1980s and the Volvo V40s in the 1990s. To save production costs, the Smart Forfour shared almost all of its components with the 2003 Mitsubishi Colt. This includes the chassis, suspension and a new generation of MIVEC petrol engines, ranging from the three cylinder 1.1 L (67 in3) to the four cylinder with power up to 80 kW (109 PS; 107 hp).

The Smart Forfour was phased out from production due to slow sales.[4]


The sales brochures state that the interior "is designed around the concept of a lounge"; to test this, Top Gear presenters spent 24 hours inside the Forfour. They said they would not buy the car due to its high price and poor driving dynamics compared to its rivals.

Following Smart's initial success for the fortwo in the US, and due to a surprisingly high popularity in the Forfour, former Mercedes-Benz exec Rainer Schmückle revealed that officials were considering relaunching the car.[5]

Smart Forfour Brabus

Forfour Brabus (2005)[edit]

Forfour Brabus is a version of Smart Forfour with a turbocharged Mitsubishi 4G15 engine rated 130 kW (177 PS; 174 hp), 27 PS (20 kW; 27 hp) more than the Mitsubishi Colt CZT. The Brabus Forfour requires higher than standard octane fuel to develop full power. It can reach a maximum speed of 221 km/h (137 mph) and accelerate from zero to 100 km/h (62 mph) in 6.9 seconds.

Second generation (W453, 2014–present)[edit]

Second generation
2018 Smart Forfour Brabus Sport Premium 900cc Front.jpg
AssemblyNovo Mesto, Slovenia (Revoz)
Body and chassis
Body style5-door hatchback
LayoutRR layout
RelatedSmart Fortwo
Renault Twingo
Engine0.9 L M281 I3 turbocharged (petrol)
1.0 L M281 I3 (petrol)
Transmission5-speed manual
6-speed dual-clutch
Wheelbase2,490 mm (98.0 in)
Length3,495 mm (137.6 in)
Width1,640 mm (64.6 in)
Height1,550 mm (61.0 in)

The second generation Forfour is jointly developed with Renault. Motor Trend reported the second generation Forfour shares approximately 70% of its parts with the third generation Renault Twingo. Smart CEO Annette Winkler has reported that the W453 will retain the second Generation Fortwo trademark hemispherical steel safety cell, marketed as the Tridion cell.[6] The Fortwo will continue to be assembled at Smartville, and the Forfour will be manufactured alongside the Renault Twingo 3 in Novo Mesto, Slovenia.[7] Smartville, where the W450 and W451 build series have been manufactured, underwent a 200 million euro upgrade beginning in mid-2013, in preparation for the C453 Fortwo. The new Forfour, along with the new Fortwo went on sale in October, shortly after their public reveals at the Paris Motor Show.


According to chief development engineer for the C453/W453, Markus Rieder (who had previously worked on development of the Mercedes ML and GL SUV's),[8] the Smart Fortwo and ForFour will be offered with a choice of manual transmission or double-clutch automatic[9] — and nolonger with the Getrag automated manual. According to Rieder, both models will feature a wider track, overall width increased by 10 cm (over the 2nd generation Fortwo), improved ride and improved noise isolation.[10]

For the forthcoming third generation, Autoweek reported that Daimler consulted with Ford to learn about Ford's 1.0 Litre turbo-charged inline 3-cylinder engine, in turn sharing information about its own Euro6 stratified lean-burn gasoline engines.[11]

The launch model "edition #1" is a limited period version, unveiled in Tempodrom, Berlin.[12][13] Delivery is scheduled to commence in November 2014 with the Forfour 52 kW and 66 kW models to follow in December 2014, and twinamic dual clutch transmission models in the spring of 2015.[14]

Smart Fourjoy concept (2013)[edit]

Smart Fourjoy concept

Smart Fourjoy concept includes Smart's signature tridion cell in polished full-aluminium, tail lights integrated in the tridion cell, spherical instrument cluster, raised smart lettering milled from aluminium on the side skirts, pearlescent white on the bumpers, front bonnet and tailgate; headlamps without a glass cover, U-shaped daytime running lights, LED front and tail lights, transparent petroleum-coloured moulded wind deflector at the top of the front windscreen, on the A-pillars on the sides and on the rear roof spoiler; rear dark chrome seats, a piping-like line with the same petroleum colour as the plexiglass accents on the exterior, instrument panel with convex surface and touch-sensitive operating functions, spherical instrument cluster, single-spoke steering wheel, two smartphones mounted on the dashboard and on the centre tunnel, 55 kW magneto-electric motor, 17.6kWh lithium-ion battery, 22 kW on-board charger, two electrically driven skateboards on the roof, helmets under the rear seats, a high-definition camera.

The vehicle was unveiled at the 2013 Frankfurt Auto Show (without doors and roof).[15][16]


Petrol engines
Model Years Type/code Power, torque@rpm
Forfour 45 kW 2015– 999 cc (61.0 cu in) I3 60 PS (44 kW; 59 hp)@?, ?@?
Forfour 52 kW 2014– 999 cc (61.0 cu in) I3 71 PS (52 kW; 70 hp)@?, 91 N⋅m (67 lbf⋅ft)@2850
Forfour 66 kW 2014– 898 cc (54.8 cu in) I3 turbo 90 PS (66 kW; 89 hp)@?, 135 N⋅m (100 lbf⋅ft)@2500
Forfour Brabus 2016- 898 cc (54.8 cu in) I3 turbo 108 PS (79 kW; 107 hp)@?, 175 N⋅m (129 lbf⋅ft)@2500

All models are available with a 5-speed manual or 6-speed twinamic dual clutch transmission.

Electric version[edit]

EQ forfour
Smart EQ forfour at IAA 2019 IMG 0653.jpg

A Smart Forfour has been converted into a plug-in hybrid by Lithium Technology Corporation[17] and Zytek Systems. The lithium-ion battery can propel the vehicle up to 84 mph (135 km/h) and last on its own for up to 20 miles (32 km). The engine is a combination of a 68 hp (51 kW; 69 PS), 1.5 L (92 in3), three-cylinder turbocharged diesel engine and two high-efficiency permanent-magnet electric motors. It received an award from the Energy Saving Trust for the "Ultra Low Carbon Car Challenge" project.[18]

Daimler has confirmed it will produce an electric version of the Smart Forfour during the second generation of production. Production is expected in 2014, as a 2015 model year.[19]

As of 2018 an only electric Smart Forfour is available (aka smart forfour electric drive). It is using a 60 kW electric motor with 13.1 kWh/100 km power consumption (combined) and 160 kilometre range.[20]


  1. ^
  2. ^
  3. ^ a b smart forfour: Technical data Archived 2010-03-26 at the Wayback Machine
  4. ^ John Neff RSS feed. "SMART forfour production ends - Mitsubishi and DaimlerChrysler part ways". Retrieved 2012-05-17.
  5. ^ "Comeback planned for Smart ForFour". Motor Authority. 2008-01-31. Retrieved 2012-05-17.
  6. ^ "Das ist keine Geheimniskrämerei (in German)". Manager Magazine Online, Wilfried Eckl-Dorna, Nov 18, 2013.
  7. ^
  8. ^ "AUTO UND TECHNIK: Das Kuckucksei (in German)". Focus Magazine, March 17, 2014.
  9. ^ "The Smart rehearsing the Snow Waltz (in German)". Autobild, 3/17/2014.
  10. ^ "Baptism by Fire in the Snow (in German)". Automobil Revue, 21 March 2014, Thomas Geiger. Archived from the original on 26 March 2014.
  11. ^ "Daimler consults Ford on turbo three-cylinder engine development". Nick Gibbs, Automotive News, 5/24/2013.
  12. ^ World premiere of the new Smart Fortwo and Forfour on 16 July in Berlin - In the thick of the action: experience the new smart generation celebrating its debut via live stream from the Tempodrom
  13. ^ Next Smart Fortwo, Forfour to debut July 16, previewed in design sketches
  14. ^ Prices start at less than €11,000: At the starting line: the new smart generation
  15. ^ FourJoy reveals stats of Smart ForFour
  16. ^ Smart jumps Fourjoy in Germany
  17. ^ "Gaia: Gaia". Retrieved 2012-05-17.
  18. ^ "A plug-in Hybrid that can go 84". 2006-12-12. Retrieved 2009-10-14.
  19. ^ Mike Szostech. "Smart ForFour Electric Drive confirmed for 2015". My Electric Car Forums. Retrieved 18 April 2013.
  20. ^

External links[edit]

Press kit: