Honda GX engine specs, side by side

Every number on this site is copied from Honda’s own spec pages, with the date we checked it.

EngineccPowerTorqueOilDry weight
GX1201223.2 hp5.5 lb-ft0.59 qt28.9 lb
GX1601634.8 hp7.6 lb-ft0.61 qt33 lb
GX2001965.8 hp9.1 lb-ft0.63 qt35 lb
GX2702708.4 hp14.1 lb-ft1.16 qt55 lb
GX39038911.7 hp19.5 lb-ft1.16 qt69 lb

Source: Honda Engines official specification pages (engines.honda.com/models/model-detail/mid-gx, engines.honda.com/models/model-detail/large-gx, engines.honda.com/models/model-detail/x-large-gx), checked 2 Nov 2026. Power is SAE J1349 net output measured by Honda; engines installed in equipment may vary. This site is independent and not affiliated with Honda.

Comparisons

GX160 vs GX2004.8 hp vs 5.8 hp, 33 lb vs 35 lbCompare →GX120 vs GX1603.2 hp vs 4.8 hp, 28.9 lb vs 33 lbCompare →GX200 vs GX2705.8 hp vs 8.4 hp, 35 lb vs 55 lbCompare →GX270 vs GX3908.4 hp vs 11.7 hp, 55 lb vs 69 lbCompare →

Specs by engine

GX120 specs122 cc · 3.2 hp · oil 0.59 qtSpecs →GX160 specs163 cc · 4.8 hp · oil 0.61 qtSpecs →GX200 specs196 cc · 5.8 hp · oil 0.63 qtSpecs →GX270 specs270 cc · 8.4 hp · oil 1.16 qtSpecs →GX390 specs389 cc · 11.7 hp · oil 1.16 qtSpecs →

Frequently asked questions

What is the difference between the GX160 and GX200?
Same bore (68 mm) but a longer stroke on the GX200 (54 vs 45 mm): 196 cc and 5.8 hp versus 163 cc and 4.8 hp. They share the same engine family and similar outside size.
How much oil does a Honda GX390 take?
1.16 US quarts (1.1 L), according to Honda – the same as the GX270.

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