Truck Trend is the source for official specifications, payload, towing capacity, and other information that matters to real truck users. Check out the latest info for the 2010 Chevrolet HHR, HHR SS & HHR Panel. The Chevy HHR is powered by three optional powertrains; 155-horsepower Ecotec 2.2L FlexFuel, 172-horsepower Ecotec 2.4L FlexFuel, and 260-horsepower Vortec Ecotec 2.0L DI Turbo VVT. The engines are paired up with either 5-speed manual or Hydra-Matic 4T45 4-speed automatic transmission.


2010 Chevrolet HHR, HHR SS & HHR Panel Technical Specifications
Overview
Models: Chevrolet HHR LS and LT (1LT and 2LT); HHR Panel LS and LT (1LT and 2LT); HHR SS
Body style / driveline: 5-passenger, 5-door / front-engine, front -wheel drive (HHR LS, LT and SS); 2-passenger, 5-door / front-engine, front -wheel drive (HHR Panel LS, LT and SS)
Construction: welded steel monocoque; galvanized except for roof
EPA vehicle class: sport utility vehicle - 2WD
Manufacturing location: Ramos Arizpe, Mexico
Engines
  Ecotec 2.2L FlexFuel (LE8) Ecotec 2.4L FlexFuel (LE9) Ecotec 2.0L DI Turbo VVT (LNF)
Application std. on LS and 1LT; std. on Panel LS and 1LT std. on 2LT; opt on 1LT; std. on Panel 2LT and opt. on 1LT std. on HHR SS and HHR Panel SS
Type: 2.2L DOHC I-4 2.4L DOHC I-4 2.0L DOHC I-4
Displacement (cu in / cc): 134 / 2189 145 / 2384 122 / 1998
Bore & stroke (in / mm): 3.39 x 3.72 / 86 x 94.6 3.46 x 3.85 / 88 x 98 3.39 x 3.39 / 86 x 86
Block material: cast aluminum cast aluminum cast aluminum
Cylinder head material: cast aluminum cast aluminum cast aluminum
Valvetrain: DOHC, four valves per cylinder; continuously variable valve timing DOHC, four valves per cylinder; continuously variable valve timing DOHC, four valves per cylinder; dual continuously variable valve timing
Ignition system: electronic direct electronic direct individual coil-on-plug
Fuel delivery: sequential fuel injection with electronic throttle control sequential fuel injection with electronic throttle control direct-injection with a variable high-pressure rail and electronic throttle control
Compression ratio: 10.0:1 10.4:1 9.2:1
Horsepower (hp / kW @ rpm): 155 / 116 @ 6100 (gas) 172 / 128 @ 5800 (gas) 260 / 194 @ 5300* (manual trans)
Horsepower (hp / kW @ rpm): 161 / 120 @ 6000 (E85) 176 / 131 @ 5800 (E85) 250 / 186 @ 5900* (automatic trans)
Torque (lb-ft / Nm @ rpm): 150 / 203 @ 4800 (gas) 167 / 226 @ 4500 (gas) 260 / 353 @ 2000 (manual)
Torque (lb-ft / Nm @ rpm): 158 / 214 @ 4600 (E85) 170 / 230 @ 5000 (E85) 222 / 301 @ 1650 (automatic)
Recommended fuel: regular unleaded or E85 premium recommended not required or E85 premium recommended not required
Maximum engine speed (rpm): 6750 6750 6350
Emissions controls: close-coupled catalytic converters; Quick-Sync 24x ignition system; returnless fuel rail; fast-response O2 sensor close-coupled catalytic converters; Quick-Sync 24x ignition system; returnless fuel rail; fast-response O2 sensor close-coupled catalytic converters, Quick-Sync 58x ignition system; returnless fuel rail; wide-range O2 sensor
EPA-estimated fuel economy (city / hwy): HHR / HHR Panel HHR / HHR Panel HHR SS
  22 / 32 (man. w/ gas) 22 / 32 (man. w/ gas) 21 / 29 (manual)
  22 / 30 (auto. w/ gas) 22 / 30 (auto. w/ gas) 19 / 29 (automatic)
  16 / 23 (man. w/ E85)
16 / 23 (man. w/ E85)
  16 / 22 (auto. w/ E85) 16 / 22 (auto. w/ E85)
Transmissions
  F35 5-speed manual (SS models) F23 5-speed manual (LS and LT models) Hydra-Matic 4T45 4-speed automatic
Gear ratios: (:1):
First: 3.38 3.58 2.95
Second: 1.76 2.02 1.62
Third: 1.18 1.35 1
Fourth: 0.89 0.98 0.68
Fifth: 0.7 0.69 -
Reverse: 3.17 3.31 2.14
Final drive ratio: 4.05:1 4.17:1 3.91:1 (LS & LT)
3.29:1 (SS)
Chassis / Suspension
Front: independent strut-type suspension with direct-acting stabilizer bar; 23mm solid stabilizer bar on SS
Rear: semi-independent torsion beam with stabilizer bar; monotube gas shocks, 24mm solid stabilizer bar on SS
Steering type: electric, power-assisted variable-speed rack-and-pinion
Steering ratio: 18.5:1 (LS & LT)
14.8:1 (SS)
Steering wheel turns, lock-to-lock: 3.5 (LS & LT w/ FE1)
3.25 (LS & LT w/ FE3)
TBD (SS)
Turning circle, curb-to-curb (ft / m): 36 / 11 (LS & LT w/ FE1)
37.7 / 11.5 (LS & LT w/ FE3)
39.4 / 12 (SS)
Brakes
Type: LS & LT: power front disc/rear drum with standard ABS
SS: power 4-wheel disc with standard ABS; 54mm single-piston front calipers and 38mm single-piston rear calipers
Front rotor diameter x thickness (in / mm): LS, LT & SS: 11.65 x 1.02 / 296 x 26 (vented disc)
Rear drum / disc diameter x width (in / mm): LS & LT:9.84 x 1.7 / 250 x 45 (drum)
SS: 9.84 x 0.55 / 270 x 14 (solid disc)
Wheels / Tires
Wheel size and type: LS: 16-inch steel w/ covers
1LT: 16-inch fascia-spoke w/ Sterling Silver finish (std.); 16-inch chrome aluminum (opt.)
2LT: 17-inch ChromeTech aluminum
SS: 18 x 7.5-inch split-spoke forged aluminum
Tires: P215/55R16 all-season steel-belted radial blackwall
P215/50R17 all-season steel-belted radial blackwall
P225/45R18 Michelin Pilot MXM4


2010 Chevrolet HHR, HHR SS & HHR PANEL Dimensions
Exterior
Wheelbase (in / mm): 103.6 / 2631
Overall length (in / mm): 176.2 / 4475 (LS & LT)
176.5 / 4483 (SS)
Overall width (in / mm): 69.1 / 1755
Overall height (in / mm): 62.5 / 1588
Track (in / mm): front: 58.7 / 1491
rear: 58.7 / 1491
Minimum ground clearance (in / mm): 6.3 / 159
Curb weight, base (lb / kg): LS & LT w/ 2.2L: 3155 / 1431
LS & LT w/ 2.4L: 3208 / 1455
SS: 3280 / 1488 (manual)
SS: 3353 / 1524 (automatic)
Weight distribution (front / rear): 57 / 43 (LS & LT)
59 / 41 (SS)
Interior
  HHR HHR Panel
Seating capacity: 5 2
Headroom (in / mm):
Front: 39.6 / 1006 39.6 / 1006
Rear: 39 / 991 -
Legroom (in / mm):
Front: 40.6 / 1031 40.6 / 1031
Rear: 39.5 / 1004 -
Shoulder room (in / mm):
Front: 53.5 / 1358 53.5 / 1358
Rear: 52.7 / 1339 -
Hip room (in / mm):
Front: 50.1 / 1273 50.1 / 1273
Rear: 50.6 / 1266 -
Capacities
Passenger volume (cu ft / L) 97.4 / 2758
Cargo volume (cu ft / L): 63.1 / 1787 (HHR w/ rear seats removed & HHR Panel incl. under-floor storage)
  57.7 / 1634 (HHR w/ rear seats folded & HHR Panel above load floor)
  25.2 / 638 (HHR w/ rear seats up)
GVWR, standard (lb / kg): 4173 / 1893 (LS & LT)
4244 / 1925 (SS)
Payload, base (lb / kg): 900 / 408
Trailer towing maximum (lb / kg): 1000 / 453 (LS & LT), not recommended (SS)
Fuel tank (gal / L): 16.2 / 49
Engine oil (qt / L): 5 / 4.7 (all engines)
Cooling system (qt / L): 2.2L: 7.4 / 7
2.4L w/ manual trans: 8.7 / 8.2
2.4L w/ auto trans: 8.5 / 8
2.0L: TBD
*SAE certified.

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