Smart Forfour II (W453) 0.9 (90 Hp) Automatic

The Smart Forfour II (W453) 0.9 (90 Hp) Automatic is a city car produced by Smart, a microcar manufacturer owned by Mercedes-Benz. Introduced in 2014 and continuing through 2019, the W453 generation represented a significant departure from its predecessor, offering a five-door hatchback configuration and, crucially, a rear-wheel-drive layout. While Smart vehicles have a limited official presence in the United States, the Forfour is a popular choice in European markets, particularly for urban commuters seeking a compact and fuel-efficient vehicle. This model, powered by a turbocharged 0.9-liter three-cylinder engine, aimed to balance practicality with Smart’s signature focus on maneuverability and low running costs.

Smart Forfour II (W453) 0.9: Overview and Market Position

The Forfour II was developed in collaboration with Renault, sharing its platform and some components with the Renault Twingo. This partnership allowed Smart to offer a more conventional and spacious vehicle than previous Forfour models. The W453 targeted buyers in densely populated urban areas who prioritize ease of parking, fuel economy, and a small footprint. The 0.9-liter engine variant, producing 90 horsepower, was a common offering, providing a balance between performance and efficiency. The Forfour’s rear-wheel-drive configuration, unusual for this class of vehicle, contributed to its nimble handling and surprisingly spacious interior for its size.

Engine & Performance

The heart of the Smart Forfour II 0.9 Automatic is a 898 cc (54.8 cubic inches) inline three-cylinder gasoline engine, designated M 281.910. This engine is turbocharged and intercooled, allowing it to produce 90 horsepower at 5500 rpm and 135 Nm (99.57 lb-ft) of torque at 2500 rpm. The power-to-liter ratio is a respectable 100.2 hp/l. Power is delivered to the rear wheels via a six-speed automatic transmission. Acceleration from 0 to 100 km/h (0-62 mph) takes 11.9 seconds, while 0 to 60 mph is achieved in approximately 11.3 seconds. The vehicle has a maximum speed of 165 km/h (102.53 mph). Fuel economy is a key strength, with combined cycle consumption rated at 4.2 l/100 km (56 US mpg or 67.3 UK mpg), and CO2 emissions of 98 g/km, meeting Euro 6 emission standards.

Design & Features

The Smart Forfour II is a five-door hatchback, offering seating for five passengers. Its compact dimensions – 3495 mm (137.6 in) in length and 1665 mm (65.55 in) in width – make it exceptionally easy to maneuver and park in tight urban spaces. The design is characterized by its short overhangs and relatively tall body. Inside, the Forfour offers a surprisingly spacious cabin for its size, thanks in part to the rear-wheel-drive layout which frees up interior space. Standard features typically included ABS (Anti-lock Braking System), electric power steering, and a range of safety equipment designed to meet European safety standards. Trunk space ranges from a minimum of 185 liters (6.53 cu ft) to a maximum of 975 liters (34.43 cu ft) with the rear seats folded down. The vehicle’s kerb weight is 950 kg (2094.39 lbs), with a maximum permissible weight of 1450 kg (3196.7 lbs).

Technical Specifications

General Information
BrandSmart
ModelForfour
GenerationForfour II (W453)
Type (Engine)0.9 (90 Hp) Automatic
Start of production2014
End of production2019
Powertrain ArchitectureInternal Combustion engine
Body typeHatchback
Seats5
Doors5
Performance Specs
Fuel consumption (urban)5.2 l/100 km (45.2 US mpg, 54.3 UK mpg, 19.2 km/l)
Fuel consumption (extra urban)3.6 l/100 km (65.3 US mpg, 78.5 UK mpg, 27.8 km/l)
Fuel consumption (combined)4.2 l/100 km (56 US mpg, 67.3 UK mpg, 23.8 km/l)
CO2 emissions98 g/km
Fuel TypePetrol (Gasoline)
Acceleration 0 – 100 km/h11.9 sec
Acceleration 0 – 62 mph11.9 sec
Acceleration 0 – 60 mph11.3 sec
Maximum speed165 km/h (102.53 mph)
Emission standardEuro 6
Weight-to-power ratio10.6 kg/Hp
Weight-to-torque ratio7 kg/Nm
Engine Specs
Power90 Hp @ 5500 rpm
Torque135 Nm @ 2500 rpm (99.57 lb.-ft. @ 2500 rpm)
Engine layoutRear, Transverse
Engine Model/CodeM 281.910
Engine displacement898 cm3 (54.8 cu. in.)
Number of cylinders3
Engine configurationInline
Cylinder Bore72.2 mm (2.84 in.)
Piston Stroke73.1 mm (2.88 in.)
Compression ratio9.5:1
Fuel injection systemMulti-port manifold injection
Engine aspirationTurbocharger, Intercooler
Engine oil capacity4.3 l (4.54 US qt | 3.78 UK qt)
Coolant10.9 l (11.52 US qt | 9.59 UK qt)
Space, Volume and Weights
Kerb Weight950 kg (2094.39 lbs.)
Max. weight1450 kg (3196.7 lbs.)
Max load500 kg (1102.31 lbs.)
Trunk (boot) space – minimum185 l (6.53 cu. ft.)
Trunk (boot) space – maximum975 l (34.43 cu. ft.)
Fuel tank capacity28 l (7.4 US gal | 6.16 UK gal)
Dimensions
Length3495 mm (137.6 in.)
Width1665 mm (65.55 in.)
Height1554 mm (61.18 in.)
Wheelbase2494 mm (98.19 in.)
Front track1467 mm (57.76 in.)
Rear (Back) track1429 mm (56.26 in.)
Minimum turning circle8.65 m (28.38 ft.)
Drivetrain, Brakes and Suspension
Drivetrain ArchitectureRear wheel drive
Number of gears and type of gearbox6 gears, automatic transmission
Front suspensionIndependent, type McPherson with coil spring and anti-roll bar
Rear suspensionIndependent coil spring
Front brakesVentilated discs
Rear brakesDrum
Steering typeSteering rack and pinion
Power steeringElectric Steering
Tires size165/65 R 15; 185/60 R 15; 185/45 R 16; 205/50 R 16
Wheel rims size5.0J x 15; 5.5J x 15; 6.0J x 16; 6.5J x 16

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