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Lexus IS Fuel Economy (km/L)

km/L Number of Vehicles
8 kilometers per liter 4 vehicles
9 kilometers per liter 0 vehicles
10 kilometers per liter 0 vehicles
11 kilometers per liter 0 vehicles
12 kilometers per liter 0 vehicles
13 kilometers per liter 0 vehicles
14 kilometers per liter 0 vehicles
15 kilometers per liter 0 vehicles
16 kilometers per liter 0 vehicles
17 kilometers per liter 0 vehicles
18 kilometers per liter 0 vehicles
19 kilometers per liter 0 vehicles
20 kilometers per liter 0 vehicles
21 kilometers per liter 0 vehicles
22 kilometers per liter 0 vehicles
23 kilometers per liter 0 vehicles
24 kilometers per liter 0 vehicles
25 kilometers per liter 0 vehicles
26 kilometers per liter 0 vehicles
27 kilometers per liter 0 vehicles
28 kilometers per liter 0 vehicles
29 kilometers per liter 0 vehicles
30 kilometers per liter 0 vehicles
31 kilometers per liter 0 vehicles
32 kilometers per liter 0 vehicles
33 kilometers per liter 0 vehicles
34 kilometers per liter 0 vehicles
35 kilometers per liter 0 vehicles
36 kilometers per liter 0 vehicles
37 kilometers per liter 0 vehicles
38 kilometers per liter 0 vehicles
39 kilometers per liter 1 vehicles
40 kilometers per liter 0 vehicles
41 kilometers per liter 0 vehicles
42 kilometers per liter 0 vehicles
43 kilometers per liter 1 vehicles
44 kilometers per liter 0 vehicles
45 kilometers per liter 2 vehicles
46 kilometers per liter 1 vehicles
47 kilometers per liter 2 vehicles
48 kilometers per liter 0 vehicles
49 kilometers per liter 0 vehicles
50 kilometers per liter 0 vehicles
51 kilometers per liter 1 vehicles
52 kilometers per liter 0 vehicles
53 kilometers per liter 0 vehicles
54 kilometers per liter 0 vehicles
55 kilometers per liter 0 vehicles
56 kilometers per liter 0 vehicles
57 kilometers per liter 0 vehicles
58 kilometers per liter 0 vehicles
59 kilometers per liter 0 vehicles
60 kilometers per liter 1 vehicles
Model Year Body/Powertrain km/L  
2010 2010 4dr Sedan 204-hp 2.5L V6 6-sp shiftable automatic AWD 29
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With the 194 kilowatts 3.5L V6 engine, 6-speed shiftable automatic transmission, and all-wheel drive, the 2010 Lexus IS has been averaging 29 L/100km (liters per 100 kilometers).

The 2010 Lexus ISs in this analysis were driven mostly on the highway at an average speed of 83 kilometers per hour (about 44.4 percent of the kilometers driven). The rest of the kilometers were in the city (16.1 percent), in heavy traffic (6.7 percent), and in the suburbs (0 percent).

In addition, the average 2010 Lexus IS in this analysis was driven on hilly terrain with a medium foot and the AC not used at all.
2010 2010 4dr Sedan 204-hp 2.5L V6 6-sp shiftable automatic RWD 51.3
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2010 2010 4dr Sedan 416-hp 5.0L V8 8-sp shiftable automatic RWD 47.83
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What Our Members Are Saying about the Real Gas Mileage of the 2010 Lexus IS

2010 Lexus IS Real Gas Mileage: Pros
YearBody/PowertrainComment
2010 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic RWD		 Almost as good as Prius, this is the hybrid 250h see full Lexus IS review
2010 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic AWD		 Our 2010 IS 250 has given us 30 mph highway mileage. I consider it very very good. see full Lexus IS review
2009 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic AWD		 Good highway fuel economy, can average 30+ mpg see full Lexus IS review
2009 4dr Sedan 306-horsepower 3.5L V6
6-speed shiftable automatic RWD		 Excellent fuel economy... overall 24 mpg city and highway combined. As high as 32 mpg highway driving in Arizona mountains. see full Lexus IS review
2010 Lexus IS Real Gas Mileage: Cons
YearBody/PowertrainComment
2009 4dr Sedan 204-horsepower 2.5L V6
6-speed shiftable automatic RWD		 Wish it got better fuel economy for such a small car and engine... Sticker is 21/29, I'm averaging 27MPG (computer read); avg on hwy is about 33-34 mpg while city is about 19-23mpg. Engine variety would help, a 4 cyl + turbo or something, but toyota/lexus isn't exactly known for that. see full Lexus IS review
 

2010 Lexus IS Gas Mileage (km/L)

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Lexus IS's real-world km/L based on how and where you drive a car.