Smart Forfour II (W453) 1.0 (61 Hp)

The Smart Forfour II (W453) 1.0, produced from 2015 to 2017, represents the second generation of Smart’s foray into the subcompact hatchback segment. Unlike its predecessor, which was co-developed with Mitsubishi, the W453 Forfour was engineered in collaboration with Renault, sharing its platform and powertrain components with the Renault Twingo. This collaboration marked a significant shift for Smart, aiming to improve economies of scale and offer a more refined and capable city car. While not officially sold in the United States, the Forfour was a popular choice in European markets, particularly for urban commuters seeking a small, fuel-efficient, and maneuverable vehicle. The 1.0-liter engine variant, producing 61 horsepower, was positioned as the entry-level option, prioritizing economy over outright performance.

Smart Forfour II (W453) 1.0: A Detailed Overview

The Forfour II aimed to address criticisms leveled at the first-generation model, offering improved practicality, a more conventional layout, and enhanced driving dynamics. The W453’s rear-wheel-drive configuration, inherited from the Renault Twingo, contributed to its nimble handling and surprisingly spacious interior for its diminutive size. The 1.0-liter engine, while modest in output, proved adequate for city driving, and the Forfour’s compact dimensions made parking and navigating congested streets a breeze. The vehicle’s focus was firmly on providing an affordable and efficient transportation solution for urban environments.

Engine & Performance

The Smart Forfour II 1.0 is powered by a 999 cc inline three-cylinder petrol engine, designated M 281.920. This naturally aspirated engine produces 61 horsepower at 6000 rpm and 91 Nm (67.12 lb-ft) of torque at 2850 rpm. While not a powerhouse, the engine’s power-to-liter ratio of 61.1 hp/l demonstrates a reasonable level of efficiency. The engine utilizes multi-port manifold fuel injection and a compression ratio of 10.5:1. Power is delivered to the rear wheels via a five-speed manual transmission. Performance figures reflect the engine’s modest output: acceleration from 0 to 100 km/h (0-62 mph) takes 16.7 seconds, while 0 to 60 mph is achieved in 15.9 seconds. The maximum speed is rated at 151 km/h (93.83 mph). The weight-to-power ratio of 14.7 kg/Hp and weight-to-torque ratio of 9.8 kg/Nm further illustrate the vehicle’s focus on efficiency rather than outright speed.

Design & Features

The Smart Forfour II (W453) is a five-door hatchback, offering seating for four passengers. Its compact dimensions – 3395 mm (133.66 in) in length and 1665 mm (65.55 in) in width – make it exceptionally maneuverable in urban settings. The vehicle’s design is characterized by its short overhangs and relatively tall stature (1554 mm / 61.18 in). The interior prioritizes practicality, with a focus on maximizing space within the limited footprint. The rear seats can be folded down to expand trunk capacity from a minimum of 185 liters (6.53 cu ft) to a maximum of 975 liters (34.43 cu ft). Safety features include ABS (Anti-lock Braking System), and the vehicle meets Euro 6 emission standards. The Forfour’s styling, while functional, was generally considered more mature and less overtly quirky than the first-generation model. The electric steering system provides light and easy maneuverability, further enhancing the car’s suitability for city driving.

Technical Specifications

BrandSmart
ModelForfour
GenerationForfour II (W453)
Type (Engine)1.0 (61 Hp)
Start of productionJanuary, 2015
End of productionJuly, 2017
Powertrain ArchitectureInternal Combustion engine
Body typeHatchback
Seats4
Doors5
Fuel consumption (urban)5.8 l/100 km (40.6 US mpg / 48.7 UK mpg / 17.2 km/l)
Fuel consumption (extra urban)4 l/100 km (58.8 US mpg / 70.6 UK mpg / 25 km/l)
Fuel consumption (combined)4.7 l/100 km (50 US mpg / 60.1 UK mpg / 21.3 km/l)
CO2 emissions108 g/km
Fuel TypePetrol (Gasoline)
Acceleration 0 – 100 km/h16.7 sec
Acceleration 0 – 62 mph16.7 sec
Acceleration 0 – 60 mph15.9 sec
Maximum speed151 km/h (93.83 mph)
Emission standardEuro 6
Weight-to-power ratio14.7 kg/Hp
Weight-to-torque ratio9.8 kg/Nm
Power61 Hp @ 6000 rpm
Torque91 Nm @ 2850 rpm (67.12 lb.-ft. @ 2850 rpm)
Engine layoutRear, Transverse
Engine Model/CodeM 281.920
Engine displacement999 cm3 (60.96 cu. in.)
Number of cylinders3
Engine configurationInline
Cylinder Bore72.2 mm (2.84 in.)
Piston Stroke81.3 mm (3.2 in.)
Compression ratio10.5:1
Fuel injection systemMulti-port manifold injection
Engine aspirationNaturally aspirated engine
Engine oil capacity3.5 l (3.7 US qt | 3.08 UK qt)
Coolant7.2 l (7.61 US qt | 6.34 UK qt)
Kerb Weight895 kg (1973.14 lbs.)
Max. weight1390 kg (3064.43 lbs.)
Max load495 kg (1091.29 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)
Length3395 mm (133.66 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 ArchitectureRear wheel drive
Number of gears5 gears, manual 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
Wheel rims size5.0J x 15; 5.5J x 15

In conclusion, the Smart Forfour II 1.0 (W453) offered a compelling package for urban drivers seeking a compact, fuel-efficient, and maneuverable vehicle. While its performance was modest, its practicality, rear-wheel-drive dynamics, and collaborative engineering with Renault made it a significant improvement over its predecessor and a popular choice in European city centers.

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