Skip to content

Cars with the lowest real-world fuel consumption: diesel cars

Engines that use the least fuel on the road, measured by on-board meters.

#Model and enginecarsOfficial (WLTP)Real worldGap
1Peugeot 208 Diesel · 75 kW (102 hp)15,0434.14.8+16%
2Opel Corsa Diesel · 75 kW (102 hp)3,0484.14.9+19%
3Citroën C3 Diesel · 75 kW (102 hp)12,5694.34.9+14%
4Renault Clio Diesel · 74 kW (101 hp)61,1714.14.9+20%
5Ford Puma Diesel · 88 kW (120 hp)7,9044.25.0+19%
6Ford Focus Diesel · 70 kW (95 hp)8984.35.0+19%
7Citroën C4 Diesel · 81 kW (110 hp)2,1774.45.1+17%
8Citroën C3 Aircross Diesel · 81 kW (110 hp)4,0904.85.1+8%
9Opel Crossland Diesel · 81 kW (110 hp)1,5784.75.1+10%
10Peugeot 2008 Diesel · 81 kW (110 hp)7,5074.45.2+16%
11Hyundai Tucson Diesel · 100 kW (136 hp)6175.65.2−8%
12Opel Mokka Diesel · 81 kW (110 hp)2,0864.55.2+16%
13Volkswagen Golf Diesel · 85 kW (116 hp)45,6234.45.2+18%
14Skoda Octavia Diesel · 85 kW (116 hp)4,9934.35.2+22%
15Fiat Tipo Diesel · 70 kW (95 hp)4,0044.45.3+20%
16Peugeot 308 Diesel · 96 kW (131 hp)16,5264.75.3+12%
17Ford Focus Diesel · 88 kW (120 hp)21,6424.35.3+23%
18Kia Sportage Diesel · 85 kW (116 hp)7105.55.3−2%
19Opel Astra Diesel · 77 kW (105 hp)8314.35.4+23%
20SEAT Leon Diesel · 85 kW (116 hp)3,7604.25.4+28%
21Hyundai i30 Diesel · 85 kW (116 hp)8124.65.4+18%
22Fiat 500X Diesel · 70 kW (95 hp)15,4804.75.4+16%
23Audi A3 Diesel · 85 kW (116 hp)10,7124.45.4+22%
24Citroën C3 Aircross Diesel · 88 kW (120 hp)1,0535.15.4+7%
25Renault Megane Diesel · 85 kW (116 hp)42,9044.65.4+17%
26Peugeot 2008 Diesel · 96 kW (131 hp)8,8914.95.5+12%
27Opel Astra Diesel · 96 kW (131 hp)3,0954.95.5+12%
28Peugeot 508 Diesel · 96 kW (131 hp)2,6774.85.5+15%
29Citroën C4 Diesel · 96 kW (131 hp)6,6594.85.5+14%
30Dacia Duster Diesel · 85 kW (116 hp)47,5064.85.5+15%
31BMW 1 Series Diesel · 85 kW (116 hp)15,1974.75.5+19%
32Volkswagen Golf Diesel · 110 kW (150 hp)37,0454.65.5+20%
33Fiat 500X Diesel · 96 kW (131 hp)5,8655.15.6+9%
34Mercedes-Benz CLA-Class Diesel · 85 kW (116 hp)6,9425.25.6+8%
35Volkswagen Passat Diesel · 90 kW (122 hp)8,0164.85.6+16%
36DS 3 Crossback Diesel · 96 kW (131 hp)5534.95.6+16%
37Mercedes-Benz A-Class Diesel · 85 kW (116 hp)31,7675.15.6+10%
38Skoda Octavia Diesel · 110 kW (150 hp)5,9784.65.6+23%
39Volkswagen T-Roc Diesel · 85 kW (116 hp)16,9254.75.6+20%
40Fiat Tipo Diesel · 96 kW (131 hp)7,5124.65.7+23%
41Opel Astra Diesel · 90 kW (122 hp)1,9224.85.7+19%
42Dacia Duster Diesel · 70 kW (95 hp)7154.95.7+17%
43Dacia Lodgy Diesel · 70 kW (95 hp)7834.85.7+19%
44Mercedes-Benz C-Class Diesel · 90 kW (122 hp)6615.15.7+12%
45SEAT Leon Diesel · 110 kW (150 hp)8,1424.55.7+27%
46Audi A3 Diesel · 110 kW (150 hp)10,7964.65.7+24%
47BMW 2 Series Diesel · 85 kW (116 hp)3,7264.85.7+19%
48Mercedes-Benz B-Class Diesel · 85 kW (116 hp)8,7535.25.8+10%
49Mercedes-Benz B-Class Diesel · 110 kW (150 hp)7,5465.25.8+12%
50DS 4 Diesel · 96 kW (131 hp)9965.15.8+14%

Engines with at least 500 cars in the data. Plug-in hybrids have their own page. Hybrid includes mild hybrids (48 V) as registered by the manufacturer.