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Update on the New Yaris for the US: 36 MPG

2007yaris
2007 Toyota Yaris

Toyota has provided more performance detail for the 1.5-liter engine powering the new 2007 Toyota Yaris (earlier post) for the US in four-door Sedan and three-door Liftback configurations.

The initial US 2007 Yaris models which go onsale this spring are using a larger engine than their global counterparts. A 1.5-liter gasoline engine was a standard option on the older Yaris, but Toyota removed it from its initial global lineup for the new Yaris.

The first version of the Yaris, launched in 1999, has been an extremely successful car for Toyota—with the sole exception of in the US market, where it was sold as the Echo and flopped. By contrast, the Yaris today represents 25% of all Toyota sales in Europe.

Now, however, with the US market apparently focusing more on fuel economy, the results here may likely change.

Yaris fuel efficiency will be among the highest in the subcompact segment. A preliminary EPA fuel economy mpg rating for the Liftback is estimated at 34 city/40 highway for the five-speed manual and 34 city/39 highway for models equipped with the four-speed automatic. The EPA pegs the Yaris Sedan with preliminary estimates of 34 city/40 highway for the five-speed manual and 34 city/39 highway for the automatic.

Both the Liftback and Sedan use either a five-speed manual or available four-speed automatic transmission. All Yaris models with an automatic transmission will be equipped with uphill/downhill shift logic to help reduce the frequency of gear shifting caused by the operation of the accelerator pedal during winding uphill and downhill driving.

Yaris will be EPA-certified as an Ultra-Low Emission vehicle (ULEV II).

Engines in the New Yaris
1.0 VVT-i1.3 VVT-i1.5 VVT-i (US)1.4 D-4D
Fuel Gasoline Gasoline Gasoline Diesel
Cylinders 3 4 4 4
Max power (kW/hp) 51/69 64/87 79/106 66/90
Max torque Nm) 93 121 140 190
0–100km/h (s) 15.7 11.5 NA 10.7
Fuel consumption (l/100km) 5.4 6.0 6.4 4.5
Fuel economy (mpg US) 43.6 39.2 36.5 52.3
Emissions Euro 4 Euro 4 ULEV II Euro 4
CO2 g/km 127 141 NA 119

Comments

eric

34/40? A Corolla with a manual is rated at 32/41. Doesn't seem like an improvement given it's smaller engine, less horsepower and it's in a smaller car???

rexis

But the 1.4 D-4D surely not bad with its torque and MPG. But very unlikely i will see this car roaming on street near my home any sooner.

lensovet

interesting note about the corolla.
what they should really do is bring the diesel over here. it's more lean on gas, spews out less emissions (apparently), and is still sufficiently powerful.

Justin

Just put things a little bit into perspective for the people that want the diesel version. The base 1.4 diesel Yaris goes for the equivalent of $18000 in the UK. The car we getin US is a stripped down bargain.

lensovet

but european cars are more expensive as a general rule, even when they are equally packaged. check out the prius prices - that car is the same (if you price it fully upgraded) with the only difference being the suspension. it sells in europe, depending on the country, as much as $10K above the US price!

also the us yaris is stripped down as it is, no need to put a lame engine into it as well. just compare the interior photos on the european and us sites. the european model looks like a recent camry or avalon inside ;), with an LCD RPM meter (how damn cool is that??)
i think toyota seriously underestimates the US market. it's still beyond me why we don't have ANY of the european verso models.

John W.

Amen to that last post by lensovet. There isn't as much markup or profit on econocars here, that's why they don't want to import them here: they can make more profits on big/luxury vehicles. A shame isn't it?

Mike GR

"34/40? A Corolla with a manual is rated at 32/41. Doesn't seem like an improvement given it's smaller engine, less horsepower and it's in a smaller car???"

Probably because the Corolla has a 1.8 that is somewhat downtuned (ie. it can make more power in the XRS or Celica) for fuel efficiency, while the 1.5 in the Yaris is tuned to get the most torque and power out of it, so fuel efficiency suffers a bit.

But we also have to take into account that most people report that it is pretty easy in a Yaris/Echo/Echo Hatchback to get very close to EPA mileage, while it might be a bit harder in a corolla.

Justin

The yaris is a city car and therefore totally inappropriate for highway travel. The high roof and upright windshield kill highway fuel economy. By contrast the much heavier and more powerful Civic gets 40mpg highway with a much lower roof line and a windshield tilted to 22 degrees from horizontal. On the other hand the small engine and light weight of the Yaris are an asset in the city.

Bill T

I'm really surprised that the highway MPG is only 40? I'll be purchasing a new car next year and I was going to consider the yaris, but the corolla gets better MPG. This is very disappointing.

I currently drive a 95 Escort Wagon (with little HP). Even a Yaris with a 1.3L would be more powerful than my car. I was hoping for the Yaris to have at least 45MPG highway.

I like good acceleration like anyone else, but why would I get a smaller car that gets worse gas mileage than the corolla?

NismoTuned

Please note curb weight of base corolla: 1145kg and base weight of yaris: 1043kg

This includes a 90% tank of fuel and yourself 80kg, plus all the aircon, airbags and electrics motors etc.

My point is that you are reaching the lowest edges of weight for a modern vehicle with all the comforts we expect. So give credit where it's due in that to shave MPG down to 40 US is pretty credible. You still have to accelerate and stop a mass of metal you know.

I agree with mike that it is more achievable in the Yaris.

As to Justin's comment about highway travel, that is a bit unintelligent given that the drag coefficient of the Yaris is in line with what a sports car was just 5 years ago (go ahead check it out!!)

I too wish we got the LCD interior of the UK Yaris or the touch screen of the Jap version in N.America but alas, cars are cheaper here so i guess we gotta make do.

It will be interesting to see if the D4-D ever makes it to US given ULSD acceptance and murmurs from Daimler-Chrysler over a diesel minivan. 190Nm of Torque!! that's V6 tyre shredding stuff...

eric

I hadn't thought about the taller roof in the Yaris, that makes sense if it's more of a city car that the hwy milage rating is less than the Corolla's. I doubt the 1.5L engine is much smaller/lighter than the 1.8L in the Corolla, it really ought to be getting better mpg figures than stated in this article when larger vehicles with larger engines get similar gas milage.

Justin

A CD of .30 is pathetic and it proves my point. The high roof kills highway fuel economy. There are plenty of cars out there with CD in the .27 and .26 range. VW passat and new civic come to mind. My 10 year old 2350lb Neon with a CD of .33 still manages 40mpg on the highway. And it has tons more interior room than the yaris but with a much lower roof line. If the yaris was 4 or 5 inches lower and longer to accommodate passengers it would easily manage 45mpg with the 1.5 litre. Lowering the roof reduces CD and frontal area. Both are equally important. The yaris is a city car only. If you are concerned about highway fuel economy don't buy this car.

eric

I don't think a CD of .30 is "pathetic", I don't think it's good but it's not pathetic. I think it's poor for such a small econo car though thats for sure, even if it's more of a "city" car.

I also bet the list is pretty short of cars with a .27 or lower CD. The 2006 Civic Hybrid has a CD of .28 (according to a recent blog on hybridcars.com) and the 2006 Passat also has a CD of .28 (according to cars.com, they're usually good on their specs). The Honda Insight is at .25 and I think it's the most aerodynamic car out there. What was the CD of the EV1 electric car? I'm thinking it might have been below .20, ofcourse having no grill helped I'm sure. The 2nd gen Prius is at .26. The large Lexus LS430 has a CD of .26, I think thats really good for a sedan of that size and they did that in their last redesign back in 2001 or 2002 I think? Some of the Mercedes C-class sedans have a CD of .27.

Sure the Prius and Insight look funky to get their CD down but the LS430 and MB C-class look like regular sedans to me. So I'm sure theres a good deal of tweaks that can be made to make a car more aerodynamic without making it look like an EV1/Insight/Prius.

Bill T

There are some very good points given about CD and small weight differences. I just think that there should be given a choice between a 1.3L and 1.5L on the Yaris. I believe people interested in this market are concerned about MPG. Maybe if the Yaris sold too many vehicles then it would take away from other more profitable cars (Corolla and Prius).

Justin

"Maybe if the Yaris sold too many vehicles then it would take away from other more profitable cars (Corolla and Prius)."
Exactly what toyota was thinking.

NismoTuned

0.30 CD is not not 'pathetic' it is highly creditable whatever way you look at it. If interested, the following article talks about the measures the engineers took in wind tunnel testing. http://www.japanesecarfans.com/news.cfm/newsid/2051130.003/page/5

To say the Yaris is a city car ONLY makes no sense? Yes, this is where you will ultimately make significant gains in MPG, but it will equally feel very much at home at the legal highway speed limit (and as with most new vehicles, probably well beyond it).

Since most people don't live and work right next to a highway slip road/off ramp, I think the slightly higher roofline is well justified given the shear amount of space inside. You won't get much in the boot/trunk, but then as mentioned before, that's corolla teritory.

Interestingly the Yaris got 100% side-impact and 94% frontal-impact in official EuroNCAP testing (you can read about that on that same website).

hans gustaf

the yaris (2200 LB) in u.s. will use scion xa (32/38 mpg) drivetrain with 4.31 final drive ratio. engine will be turning about 3239 when it should be turning about 2300rpm with a lower ratio. even the echo(.29Cd, 2035 LB,35/42mpg) had a 3.53 final drive ratio. u.s. must want acceleration in lieu of outrageous mileage. this new yaris should/could get 50mpg easy. it would with a 6th gear. but then it wouldnt be 12500 either.

corolla turns 2574rpm top gear with Cd of .30 and weighs 2500 LB. 32/41mpg

honda insight turns 2212rpm in top gear with Cd of .25
at 1850 LB. 60/66 mpg

even the new corvette 1436rpm in 6 gear, 3179Lb, 400HP, .28 Cd, got 31mpg hwy according to consumerreports test.

seems to be all about final drive ratio.

lensovet

there's no way a yaris will take away from a prius in sales. there's a $10k difference in price; those are completely different consumer market segments.
as for corolla, maybe. but then again, with these specs, it seems like no one would want to buy a yaris. why bother?

eric

I read somewhere that it only cost $150-$200 for some automakers to "upgrade" to a 6spd transmission from a 4 or 5 speed. Can't remember what article it was or what vehicle they were talking about, but it was some new/refreshed vehicle that has a new 6spd. I know the automakers pinch pennies to increase profit margins on the vehicles but that doesn't sound like too much. Instead of a Yaris cost $12,500 it cost $12,700, but could get mid-upper 40s hwy mpg instead of "just" 38-39mpg on the highway.

Justin

A 6th gear won't help this car. There is simply too much drag to overcome at highway speed to utilize an even taller gear. Otherwise Toyota would have simply used the taller final drive ratio from the old Echo. This car is handicapped by 2 main problems. Too much weight and too much frontal area from the tall roof. A 6th gear would not help highway fuel economy. I'm sure this car will make an excelent city car. But its no highway cruiser.

eric

A 6th gear or taller gear ratio (more or less the same thing) would help this car, and a CD of .30 isn't too bad. It's not like this car doesn't make enough power & has too much drag to utilize a taller gear. A great majority of new cars have CD of .30 or higher.

I also don't get this whole "city" car thing, I mean I get the idea on paper but everyone I know who lives in a city doesn't have a car or rarely drives it and when they do it's only to get out of the city. All the Suburbia I've seen it seems like it's mostly 45mph roads with people driving 50mph mixed in with a good chunk of highway driving.

I bet far more people use this car for commuting around Suburbia and on the highway than "in the city".

Justin

Frontal area and CD are two totaly different things. For a rough estimate of frontal area, multiply the width of the car by the height. Then multiply this by CD to get the total drag produced by the car.
The yaris is 1.695m wide x 1.530m x .30 = .778 m squared.
The passat is 1.820m wide x 1.472m x .28 = .749 m squared.

A 6th gear simply wouldn't help highway fuel economy. Most small european cars that have 6 speed transmissions use the exact same ratio in 6th as you would otherwise have in a 5 speed. The 6 gears are more closely spaced to improve acceleration, not reduce RPM at highway speeds. There is a minimum rpm where for a given load where fuel consumption will increase.

I spent a month driving a rented VW touran 1.6 FSI with 6 speed manual. This is a 1.5 ton 7 seat minivan similar to Mazda5. In 6th gear at 120 kph the engine was turning at 4500rpm. With 3 people in the car we still managed the equivalent of 37mpg.

eric

Re-read hans gustaf's post about the gearing of the Yaris compared to the echo.

eric

According to that post the Yaris is 165lbs heavier, which is basically nothing. Same with the CD, .01 isn't going to make the Echo super slippery in the wind and the Yaris a sail.

Jerry

I can't imagine why there are so many posts concerning the 2007 Yaris. I tried the Echo and Scion last year before buying my Corolla. While the Echo and Scion were nice cars, the Corolla was a much better package for the price. My mpg is consistently in the low to mid 30s with an automatic and I have room for four adults and lots of luggage.

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