REAL MPG:
Lexus GS (2005 - 2012)
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000098
21–38
Real MPG
32.0
Average
Very refined and quiet. Effortless performance from all engines. Hybrid GS450h is superbly refined. Stuffed with technology and equipment. Excellent crash test rating.
Not the smoothest motorway cruiser. Some reports of below-par cabin assembly. Alloy wheels can oxidise. No diesel in the range.
Select engine for more Real MPG information:
| Engine | Official MPG | Real MPG Avg. | Real MPG % | |
| 300 | 28.8 mpg | 31.7 mpg | 110% |  |
| 4.3 V8 | 27.8 mpg | 25.3 mpg | 91% | |
| 450h | 36.7 mpg | 32.9 mpg | 90% | |
| 460 | 25.7 mpg | - | - | |
Our Fuel Cost Calculator shows you which will be the best choice for you.
Compare the running costs of petrol, diesel and electric cars to make the right choice for you.
Read the Honest John review...
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Lexus GS (2005 - 2012)
Very refined and quiet. Effortless performance from all engines. Hybrid GS450h is superbly refined. Stuffed with technology and equipment. Excellent crash test rating.
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Rivals
| Lexus GS (2005 - 2012) | 32.0 | avg mpg |
| Audi A6 (2011 - 2018) | 42.5 | avg mpg |
| BMW 5 Series (2010 - 2017) | 41.5 | avg mpg |
| Mercedes-Benz E-Class (2009 - 2016) | 41.1 | avg mpg |
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