Fuel consumption: 11 of 11 variants rated.
Hummer H3 3.5 Comfort tops the Hummer H3 ranking by Fuel consumption, at 15.4 l/100km (18.3 mpg UK · 15.3 mpg US).
Across 11 ranked variants, Fuel consumption spans from 13.8 l/100km (20.5 mpg UK · 17.0 mpg US) to 15.4 l/100km (18.3 mpg UK · 15.3 mpg US).
| # | Variant | Year | Body | Fuel | Fuel consumption |
|---|---|---|---|---|---|
| 1 | Hummer H3 3.5 Comfort | 2006 | SUV | Petrol | 15.4 l/100km (18.3 mpg UK · 15.3 mpg US) |
| 2 | Hummer H3 3.5 Comfort | 2005 | SUV | Petrol | 15.4 l/100km (18.3 mpg UK · 15.3 mpg US) |
| 3 | Hummer H3 3.5 Advantage+1 | 2005 | SUV | Petrol | 15.4 l/100km (18.3 mpg UK · 15.3 mpg US) |
| 4 | Hummer H3 3.5 Executive+1 | 2005 | SUV | Petrol | 15.4 l/100km (18.3 mpg UK · 15.3 mpg US) |
| 5 | Hummer H3 3.7 | 2007 | SUV | Petrol | 14.6 l/100km (19.3 mpg UK · 16.1 mpg US) |
| 6 | Hummer H3 3.7 Adventure | 2007 | SUV | Petrol | 14.6 l/100km (19.3 mpg UK · 16.1 mpg US) |
| 7 | Hummer H3 3.7 Luxury | 2007 | SUV | Petrol | 14.6 l/100km (19.3 mpg UK · 16.1 mpg US) |
| 8 | Hummer H3 5.3 V8 Luxury | 2008 | SUV | Petrol | 14.5 l/100km (19.5 mpg UK · 16.2 mpg US) |
| 9 | Hummer H3 3.7 | 2007 | SUV | Petrol | 13.8 l/100km (20.5 mpg UK · 17.0 mpg US) |
| 10 | Hummer H3 3.7 Adventure | 2007 | SUV | Petrol | 13.8 l/100km (20.5 mpg UK · 17.0 mpg US) |
| 11 | Hummer H3 3.7 Luxury | 2007 | SUV | Petrol | 13.8 l/100km (20.5 mpg UK · 17.0 mpg US) |