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BMW 3-Series Fuel Economy (km/L)

km/L Number of Vehicles
32 kilometers per liter 1 vehicles
33 kilometers per liter 0 vehicles
34 kilometers per liter 0 vehicles
35 kilometers per liter 0 vehicles
36 kilometers per liter 1 vehicles
37 kilometers per liter 0 vehicles
38 kilometers per liter 0 vehicles
39 kilometers per liter 0 vehicles
40 kilometers per liter 1 vehicles
41 kilometers per liter 0 vehicles
42 kilometers per liter 0 vehicles
43 kilometers per liter 0 vehicles
44 kilometers per liter 0 vehicles
45 kilometers per liter 1 vehicles
46 kilometers per liter 1 vehicles
47 kilometers per liter 0 vehicles
48 kilometers per liter 2 vehicles
49 kilometers per liter 1 vehicles
50 kilometers per liter 5 vehicles
51 kilometers per liter 1 vehicles
52 kilometers per liter 3 vehicles
53 kilometers per liter 1 vehicles
54 kilometers per liter 2 vehicles
55 kilometers per liter 7 vehicles
56 kilometers per liter 6 vehicles
57 kilometers per liter 2 vehicles
58 kilometers per liter 6 vehicles
59 kilometers per liter 4 vehicles
60 kilometers per liter 8 vehicles
61 kilometers per liter 5 vehicles
62 kilometers per liter 11 vehicles
63 kilometers per liter 9 vehicles
64 kilometers per liter 3 vehicles
65 kilometers per liter 7 vehicles
66 kilometers per liter 4 vehicles
67 kilometers per liter 4 vehicles
68 kilometers per liter 6 vehicles
69 kilometers per liter 7 vehicles
70 kilometers per liter 9 vehicles
71 kilometers per liter 12 vehicles
72 kilometers per liter 4 vehicles
73 kilometers per liter 14 vehicles
74 kilometers per liter 9 vehicles
75 kilometers per liter 19 vehicles
76 kilometers per liter 12 vehicles
77 kilometers per liter 18 vehicles
78 kilometers per liter 18 vehicles
79 kilometers per liter 20 vehicles
80 kilometers per liter 9 vehicles
81 kilometers per liter 9 vehicles
82 kilometers per liter 11 vehicles
83 kilometers per liter 5 vehicles
84 kilometers per liter 7 vehicles
85 kilometers per liter 3 vehicles
86 kilometers per liter 2 vehicles
87 kilometers per liter 2 vehicles
88 kilometers per liter 3 vehicles
89 kilometers per liter 3 vehicles
90 kilometers per liter 2 vehicles
91 kilometers per liter 0 vehicles
92 kilometers per liter 0 vehicles
93 kilometers per liter 2 vehicles
94 kilometers per liter 3 vehicles
95 kilometers per liter 0 vehicles
96 kilometers per liter 5 vehicles
97 kilometers per liter 0 vehicles
98 kilometers per liter 1 vehicles
99 kilometers per liter 2 vehicles
100 kilometers per liter 2 vehicles
101 kilometers per liter 0 vehicles
102 kilometers per liter 2 vehicles
103 kilometers per liter 1 vehicles
104 kilometers per liter 1 vehicles
105 kilometers per liter 0 vehicles
106 kilometers per liter 0 vehicles
107 kilometers per liter 1 vehicles
108 kilometers per liter 0 vehicles
109 kilometers per liter 0 vehicles
110 kilometers per liter 1 vehicles
111 kilometers per liter 0 vehicles
112 kilometers per liter 0 vehicles
113 kilometers per liter 0 vehicles
114 kilometers per liter 1 vehicles
115 kilometers per liter 0 vehicles
116 kilometers per liter 0 vehicles
117 kilometers per liter 0 vehicles
118 kilometers per liter 0 vehicles
119 kilometers per liter 1 vehicles
Model Year Body/Powertrain km/L  
2014 2014 4dr Sedan turbocharged 240hp 2.0L I4 8-sp shiftable automatic AWD 60.86
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With the turbocharged 179kW 2.0L I4 engine, 8-speed shiftable automatic transmission, and all-wheel drive, the 2014 BMW 3-Series has been averaging 60.86 L/100km (liters per 100 kilometers).

The 2014 BMW 3-Series in this analysis were driven mostly in the city (about 9 percent of the kilometers driven). The rest of the kilometers were on the highway at an average speed of 69 kilometers per hour (4 percent), in the suburbs (0 percent), and in heavy traffic (0 percent).

In addition, the average 2014 BMW 3-Series in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.
2014 2014 4dr Sedan turbocharged 240hp 2.0L I4 6-sp manual RWD 71.26
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2014 2014 4dr Sedan turbocharged 180hp 2.0L I4 Diesel 8-sp shiftable automatic RWD 99.86
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2014 2014 4dr Wagon turbocharged 240hp 2.0L I4 8-sp shiftable automatic AWD 52
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TrueDelta Reviews the Real Gas Mileage of the 2014 BMW 3-Series

2014 BMW 3-Series Real Gas Mileage: Pros
YearComment
2014 Both the tested BMW 328d and the tested Mercedes-Benz E250 BlueTEC were fitted with optional all-wheel-drive (AWD) systems. This cost them an mpg or two, but kept the playing field level. The more compact BMW weighs much less, 3,620 vs. 4,409 pounds, and has an engine tuned to produce considerably less peak torque (280 vs. 369 lb-ft) and a bit less peak horsepower (180 vs. 195), so it shouldn't come as much of a surprise that it earns a significantly higher EPA city rating, 31 vs. 27 mpg. But on the highway the Benz nearly bridges the gap, 43 vs. 42 mpg. (All figures here with AWD. With rear-wheel-drive the cars rate 32/45 and 28/45.) Diesel enthusiasts argue that the EPA's testing regimen penalizes the compression-ignition engines, and that real world figures tend to be higher. Unfortunately, I drove the two cars on much different roads under much different conditions. In straight 65-mph highway driving in balmy temps, the Mercedes-Benz's trip computer reported averages in the low 40s, very close to the EPA rating. On a fairly aggressive drive in the hills south of San Francisco, this average dropped to 28, which is still better than the EPA city rating. And on a cruise along one of the less curvy portions of the California coastal highway it managed a two-way average around 39. Not too shabby for such a heavy car. I drove the BMW 328d in suburban Detroit during some especially cold weather (thank you, polar vertex), which harms fuel economy. Even so, with a fairly heavy foot and a cold start it managed 33 mpg while driving my son the eight miles to his school. On the way back, with a lighter right foot and a warm engine, it managed 44. The highest observed average was 49. At a steady 65 miles-per-hour on the highway the trip computer reported just under 40 mpg. Correct for the much colder temperature, and this is at least as good as the Mercedes, but a much tighter race than in around-town driving. My initial impression was that the 328d's trip computer reports weren't much better than the gas-powered 328i's surprisingly good numbers. Then I checked my review. Even though the 328i wasn't penalized by all-wheel-drive, and the ambient temperature wasn't quite as low, its averages were between two-thirds (moderately heavy foot) and four-fifths (ultra-light foot) as high as the 328d's. Overall, figure three-quarters as efficient, at best. Impressive for a quick, gas-powered car, but no match for the diesel, even considering that diesel tends to cost more than premium gasoline (this varies by local area). see full BMW 3-Series review
 

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2014 BMW 3-Series 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 BMW 3-Series's real-world km/L based on how and where you drive a car.