The truth about the fuel consumption of cars

The truth about the fuel consumption of cars

Highway measures actual consumption of all cars test and this time the intersects with data approved by manufacturers to draw the conclusion that there is a gap of 25.3 percent between advertised and actual consumption taken by our Technical Center after combining use of a 60 percent highway and 40 percent city. This difference between actual and approved consumption rises to 29.2 percent in the case of diesel cars, while gasoline the gap between actual and approved consumption is 21 percent. These overall results are fed to the database of actual consumption Technical Center Highway and collecting until September 30, 2015, 540 cars currently in production and sales in our market.

Recent events via Volkswagen scandal, they have questioned the divergence of emission approval cycles, that all manufacturers comply, with the reality of everyday life, It has led us to cross the official data with actual consumption data obtained by our Technical Center. Some brands, like PSA, They have already announced that from next year will announce to advertise their products a audited actual consumption by an independent body

real consumption versus approved: the best and worst cars Diesel

Car Diesel with its real consumption the closer it is to achieve the consumption approved announced by the manufacturer is monovolumen Tata Aria 150 4x2 2.2 -7.7 l / 100 km actual consumption versus 7.2 l / 100 km Tata announced by a 6.5 percent-. If we look for Diesel cars are below 10 percent lag between actual and approved consumption also find another minivan, the SsangYong Rodius 2.0 eXDI 155 an increase of 8.1 percent between advertising and reality; he Jeep Renegade 2.0 Mjet 170 4x4 with an increase between real and homologated consumption of 8.5 percent; and the Kia Sportage 2.0 CRDi with a lag of 9.5 percent between advertised and the reality of our Technical Center.

On the opposite side, the Diesel cars with worst result our data crossing between average consumption by the manufacturer and actual average consumption measured by the Technical Center Highway are the Peugeot 508 SW 2.0 BlueHDi with a difference of 50.3 percent, Audi Q7 3.0 TDi 272 an increase of 51.4 percent, Jaguar XE 2.0 180 an increase of 53 percent and Volvo V40 2.0 D4 190 with a gap between actual and 57.7 percent approved of consumption.

real consumption versus approved: the best and worst cars petrol

There has been no diesel models lower consumption by our Technical Center against consumption approved, but itself has taken this case in gasoline cars. Eight cars have been tested by the Technical Center Highway that have obtained a better result in actual consumption achieved by our testers that the average consumption declared by the brand. All cars with this result are sporty models and leads the ranking of cars that best meet their promises to the consumer level Toyota 86 with 10.5 percent improvement by our Technical Center against declaring Toyota consumption. Rounding out the podium better results if we cross actual consumption versus approved, the Mazda MX-5 with a result 7 percent lower in our real consumption compared to the approved, and Hyundai i30 1.6 TGDi 186 Turbo an improvement of 4.8 percent in our real consumption versus declaring Hyundai. They have also obtained outstanding result If we cross real consumption versus approved the Subaru WRX STI (-4.5 percent) Audi A1 2.0 TFSI (-3.2 percent) BMW 435i (-2.5 percent) Nissan 370Z (-1.8 percent) and Kia pro_cee'd 1.6T (-0.5 percent).

As to Unlike gasoline cars more between your approved consumption and actual consumption obtained by highway, we find the Citroën C4 1.2 Puretech 130 with a difference of 48.2 percent between 4.8 and 7.1 l approved obtained in our tests, the Fiat Panda 0.9 Twinair 85 (+50,23 percent) and the 1.2G Micra Nissan DIG-S 98 which standardises 4.3 l / 100 compared with actual consumption of our Technical Center 6.6 l / 100 (+52,8 percent).

real consumption versus approved: the best and worst brands

Makers Asian cars They are those who closer They are among what they declared as approved consumption and actual consumption obtained by our Technical Center. Subaru is the mark of all who pass by the Technical Center motorway best result It has in terms of closeness between the results of consumption approved versus actual consumption certified by our Technical Center. Subaru four tested by our Technical Center and for sale right now achieve a average 10.5 percent higher Autopista real consumption versus consumption approved the overall result He takes advantage of Subaru much of a gasoline model sporty, Subaru WRX STi, which consumes 4.5 percent less according to our technical center approved by Subaru- consumption.

In second position it's found Hyundai with 13.9 percent difference between consumption approved by the brand and the actual consumption obtained by the Technical Center Highway. Six tested nine petrol and three cars and Diesel- three Hyundai in our ranking of 25 cars with best result approved crossing consumption data versus actual consumption even one, the i30 1.6 TGDi with a result 4.8 percent better between what accredits Hyundai and results as actual consumption by freeway.

The Third place is for Kia -comparten mechanical with Hyundai and it shows in obtaining results as a parejos- 14.7 percent mismatch between consumption and actual consumption approved by our Technical Center. The Kia models sold right now we tested nine cars Five petrol and three Diesel- and found the Kia pro_cee'd 1.6 how T-GDi even announces an approved consumption has been lowered slightly by our Technical Center. They also help much to this good final position the good results obtained by Diesel SUV Kia models tested Kia Sportage CRDi -the 2.0 Diesel is the best quarter of our total sample while the Kia Sorento is the twelfth Diesel consumption comparing with approved best result against real-

On the opposite side, the brand with greater gap between actual and approved consumption is Mini a disparity in numbers between the numbers stating the brand and our Technical Center you get a 36.1 percent. This outcome is the result of combining the results of data consumption approved nine variants of the Mini and Mini Countryman also been measured in terms of actual consumption by our Technical Center. He Mini with best result in our tests of actual consumption has been the Mini Cooper S with a lag of 25.76 percent from the 5.2 l / 100 accredits and 6.54 l / 100 Autopista you get their actual consumption tests. He Mini worst result in our tests, and marketed today, is the Mini Countryman One announcing 4.4 l / 100 km and according to our Technical Center achieves 6.54 l / 100 km average actual consumption (+48,63 percent).

What cars are actually consuming less

35 cars sold today move in a one liter difference according to actual consumption certified by our Technical Center. The car with lower real average consumption is 1.6 Citroën C4 Cactus BlueHDi 100 with 4.08 l / 100 km, the result of combining a real consumption Road 3.96 l / 100 km and 4.25 l / 100 km Real consumption urban. Behind the Citroën, Diesel two French models, both with real consumption through 4.3 l / 100km: Clio 1.5 dCi 90 and Peugeot 208 1.6 100 BlueHDi. Significantly, among the top ten cars average consumption with lower real find two saloons, the Skoda Octavia Combi 1.6 TDi Greenline 110 and Lexus is300h, both with 4.7 l / 100 km.

Homologated consumption versus actual consumption: car brands

Brand (alphabetical)

mean difference versus actual consumption approved consumption (%)

Alfa Romeo

+ 28.4












+3. 4













Land Rover






































* Testing conducted by Motorway to 20/10/2015. Data most representative brands in our market and real consumption test (Euro6 engines) by our Technical Center with models sold today.

actual consumption of cars by brand

real consumption Alfa Romeo

Audi actual consumption

BMW real consumption

actual consumption Citroën

actual consumption DS

real consumption Fiat

Ford actual consumption

Honda actual consumption

Hyundai actual consumption

Infiniti real consumption

actual consumption Jaguar

actual consumption Jeep

Kia real consumption

Land Rover real consumption

Lexus real consumptions

Mazda real consumption

Mercedes Benz real consumption

actual consumption Mini

actual consumption Mitsubishi

Nissan actual consumption

real consumption Opel

actual consumption Peugeot

Porsche actual consumption

real consumption Renault

real consumption SeatSkoda real consumptionSmart real consumptionSsangyong real consumption
real consumption Subarureal consumption SuzukiToyota actual consumptionreal consumption Volkswagen
Volvo real consumption

10 cars with better consumption approved versus actual consumption MOTORWAY

Brand and model

average fuel consumption homologated l / 100 km

Real consumption Highway l / 100 km

Difference% real consumption compared to approved

Toyota GT 86 2.0 200 Sport




Mazda MX5 Soft Top 1.5 SKYACTIV-G 131




Hyundai i30 186 1.6 TGDI Turbo 5p




Subaru WRX STi 300 Rally Edition 2.5




Audi A1 2.0 TFSI Quattro 256




BMW 435i xDrive 306 2p




Nissan 370Z Coupe 3.7 V6 344 Nismo




Kiapro_cee'd 1.6 T-GDi 204 GT




Hyundai Genesis 3.8 GDi 315 AWD




Nissan GT-R Black Edition 3.8G 4WD V6 550 GR6