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 |