GM has applied a light facelift to their Chevrolet Spark, as their mini car which rivals the Fiat 500, the Smart Fortwo and the Scion iQ is ready to enter the US and the Canadian markets as a 2013 MY.
The styling changes have mainly been oriented towards the grille which features a bigger opening in the lower section, the front bumper, the exterior mirrors and the design of the taillights. The 2013 Chevrolet Spark has also received newly designed alloys plus a number of new exterior and interior colour choices, with the car continuing to be offered under the 1LT and 2LT trim levels.
Sales across the US and Canada will begin in mid 2012, and under the bonnet this "sporty four-passenger, five-door hatch" will be equipped with a 1.2-litre 4-cylinder engine in connection with a 5-speed manual transmission. This engine produces 63 kW and 85 HP, and will also be available with a 4-speed automatic gearbox.
Apart from featuring an improved MyLink infotainment system due to the addition of a 7-inch colour touch screen, the 2013 Spark comes with 10 airbags as standard, the OnStar safety and security system, and the SiriusXM Satellite Radio on uplevel models. 
Pricing for the 2013 Chevrolet Spark was not announced yet, so untill that happenes, you can check out the preliminary list of speciffications for this model by going further down this page. 
2013 CHEVROLET SPARK: PRELIMINARY SPECIFICATIONS
 
Overview

Model: Chevrolet Spark
Body style / driveline: five-door, four-passenger, front-engine; front-wheel drive
Construction: body-frame integral
EPA vehicle class: mini car
Manufacturing location: South Korea
Key competitors: Fiat 500, Smartfortwo, Scion iQ

Engine

  Ecotec 1.2L I4 DOHC VVT
Type: transverse-mounted, four-cylinder dual overhead cam gasoline engine with variable valve timing
Displacement (cc): 1249
Bore & stroke (in / mm): 70.50 x 80.00
Block material: cast iron
Cylinder head material: aluminum
Valvetrain: overhead camshafts, four valves per cylinder, variable intake manifold
Fuel delivery: multi-port fuel injection
Ignition system: coil-on-plug with long-life (100,000-mile) spark plugs
Compression ratio: 10.5:1
Horsepower (hp / kW): 85.2 / 63.5 @ 6400 (est)*
Torque (lb-ft / Nm): 81.7 / 110.8 @ 4200 (est)*
Recommended fuel: regular unleaded
Max. engine speed (rpm): 6500 (man)
6850 (auto)
Emissions controls: close-coupled catalytic converter

Transmissions

  5-speed manual (std) 4-speed automatic (opt)
Gear ratios (:1) Front-wheel-drive five-speed with integrated differential four-speed front-wheel-drive,
electronically controlled, automatic overdrive transaxle with an
electronically controlled torque converter clutch

Chassis / Suspension

Front: MacPherson strut-type
Rear: Compound crank rear suspension
Steering type: electronic power steering
Steering ratio: TBD
Steer wheel turns, lock-to-lock: TBD
Turning circle, curb-to-curb
(ft / m):
32.5 / 9.9

Brakes

Type: front: vented disc
rear: drum
Rotor diameter (in / mm): front: 9.3 / 256
rear: 7.9 / 200
Anti-lock braking system (ABS): four-channel w/ brake assist

Wheels / Tires

Wheel size and type: 15-inch aluminum alloy (std)
15-inch aluminum machined gray painted (opt)
Tire size and type: 185/55R15 all-season

Dimensions
Exterior

Wheelbase (in / mm): 93.5 / 2375
Overall length (in / mm): 144.7 / 3673
Overall width (in / mm): 62.9 / 1597
Overall height (in / mm): 61/ 1522
Track  
Front (in / mm): 55.7 / 1405
Rear (in / mm): 55.5 / 1405

Interior

Seating capacity: 4
Headroom  
Front (in /mm): 39.4 / 1010
Rear (in / mm): 37.3 / 947
Legroom  
Front (in / mm): 42 / 1067
Rear (in / mm): 35.2 / 893
Shoulder room  
Front (in / mm): 50.7 / 1295/
Rear (in / mm): 49.7 / 1255
Hip room  
Front (in / mm): 48 / 1198
Rear (in / mm): 47.5 / 1207
Cargo volume  
Behind rear seat (cu ft / L): 11.4 / 323
Behind front seat, rear seat (cu ft / L): 31.2 / 883

Capacities

EPA passenger volume (cu ft / L): 86.3 / 2444
Fuel tank (gal / L): 9.25 / 35
Engine oil (qt / L): TBD
Transmission fluid (qt / L): 2.11 / 2.0 (man)
4.97 / 4.7 (auto)
Cooling system (qt / L): TBD
Curb weight base (lb / kg): 2269 / 1029 (man)
2337 / 1060 (auto)

*Pending SAE certification.

Source: GM