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Performance
Key Points:
Weak engine has some trouble lugging 4,700 lbs.
Visibility compromised, especially to the rear
Real-world fuel economy registers well below 20 mpg
For such a tough guy, the 2006 Hummer H3 sure lacks punch, and for an otherwise excellent SUV, that’s its biggest flaw. The H3’s 4,700-lb. curb weight is pulled by a 3.5-liter, inline five-cylinder engine that makes 220 horsepower at 5,600 rpm, and 220 lb.-ft. of torque at 2,800 rpm. Power is managed by either a standard five-speed manual or an optional four-speed automatic transmission. Such a powertrain package means that the H3 really gets a sweat up during anything beyond normal driving situations. Uphill or during hard acceleration, it squeals like a pig with a hot foot, and you can almost hear the fuel slushing out of the tank. After a combination of freeway, off-road and city driving, we logged just over 14 miles per gallon, thanks at least partially to an overworked engine. At $3 or more per gallon, you should figure that into your purchase of this vehicle, especially if you plan to use it as a daily driver. Once you get the H3 up to speed, however, it’s a nice cruiser and an excellent freeway vehicle, gobbling up miles with an easy pace and nicely handling traffic. Better still is a cabin that, despite the steep angle of the windshield, stays quiet under most driving conditions. Stopping also comes with some compromises, though the H3’s four-wheel-disc brakes come standard with ABS. It’s a good thing, for the vehicle more meanders to a close than just flat out stops, its weight settling in and shifting as it loses energy. The pedal is sloppy underfoot, and, as a result, fails to give the driver much confidence in its braking ability. It is what it is, though, so it’s hard to expect stop-on-a-dime reaction from a vehicle as heavy as the H3. Other critical aspects of safe driving are better: the Stabilitrak stability control system works well to keep the car on the road, and the rack-and-pinion steering communicates road irregularities and responds well to commands, even though the H3 is outfitted with big 32-inch wheels and 285/75R16 tires. You’d think that such big tires would make the asphalt sing like a bumble bee choir, but the H3 was actually quite quiet. We’re not sure if we were overcompensating, but the feel and noise that came from the tires sure sounded muted, and the ride was quite compliant for a truck. Aside from going and stopping, then, the H3 performs admirably, with excellent maneuverability, the kind one would expect from a smaller SUV. In that way, the Hummer H3 drives small, and it’s good. Unfortunately, the H3 also drives small in other areas, such as power, and drives bigger than it is when it comes to fuel economy, braking and cornering.
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