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2008 Scion xB: The Best Laid Plans ...

For our last day of our spring break trip to Arizona in the 2008 Scion xB, I thought we'd cruise back in search the elusive 30 mpg mark. That would be an accomplishment, as the EPA rating for the 2008 xB with an automatic transmission is 22 city / 28 highway. We'd equalled the highway rating while cruising to Arizona at 75 mph along the interstate. Could we beat it by staying closer to 65 mph on the way back to SoCal?

Things were going very well for the first hundred miles or so, as the instant readout hovered between 36 and 40 mpg while cruising the two-lane Highway 60 from Wickenburg at 60 mph. And then we crossed into California and ran into a brick wall.

Well, not an actual brick wall, but the next best thing when you're going for mileage: a 30 to 40 mph headwind. It persisted for the next 150 miles--half the entire distance. At 65 to 70 mph on Interstate 10, it wasn't unusual to see the instant readout below 20 mpg.

The boxy xB got tossed around mercilessly, as did semis, motorhomes, Expeditions and the like. Don't get me wrong, I had no trouble controlling it, but a relaxed driving posture was not in the cards, and my wife was munching Fritos--her personal carsickness cure--despite the arrow-straight roads.

At the end of the day, the xB used an even 11.0 gallons over the 305.2 mile return trip--a 27.7 mpg performance. Despite the wind, that's still about equal to our xB's 28 mph highway rating.

The entire 5-day trip covered 961 miles and consumed 35.84 gallons of fuel. Our overall fuel economy, including lots of stops, some steep grades, highish speeds (at times) and high winds (at times) works out to 26.8 mpg.

Some of you have expressed concern over this alleged lackluster performance. I'm not sure I see it. Here are two reasons why:

1)  The old 2006 xB automatic was originally rated at 31 city / 35 highway. But in 2008 a new EPA rating formula was put into place to make window stickers more accurate. The EPA has applied the new formula to the 2006 xB automatic, downrating it to 26 city / 31 highway. Our 2008 xB was originally tested using the new method, so it's 22 city / 28 highway rating, while lower than the old car, isn't off by a ton. And we were able to match the highway rating twice in less than economical conditions: once while going more or less 75 mph for a whole tank, and again while maintaining a roughly 65 mph average into a stout headwind. I'd say the new EPA rating system has it about right. 

2)  The 2008 Scion xB's 2.4-liter engine is much larger than the 1.5-liter engine found in the old box. Merging and passing are no longer something that requires strategic timing. It goes up grades with authority--even when loaded with 4 people and their luggage--and it doesn't dither between gears in the process. And it stayed resolutely in top gear when faced with a 30 mph headwind at 65 mph on the freeway. In short, it's quite suitable for interstate travel in the mountainous west.

But I can see why fans of the old xB might not like it: it is a different car. Only the name and basic vibe remain the same. But I think the Scion xB will win new fans who thought the old wasn't substantial enough. Besides, if maximum mpg were the goal, why buy something shaped like a refrigerator?

And I still say we would have broken 30 mpg if that monster headwind hadn't been smacking us in the face for two hours.

Dan Edmunds, Director of Vehicle Testing @ 16,462 miles

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22 Comments

irba says:

10:38 AM, 03/31/08

Headwind is of no excuse! I can't understand why you keep on speaking for such a GAS-GUZZLING compact BOX. Such kind of pathetic MPG could have gotten you into a much more powerful 3.6 V6 sedan or a much more fun to drive awd RAV4.... even a Sienna minivan that hauls 7 people would have given you similar MPG :(

opfreak says:

10:56 AM, 03/31/08

^your nuts. The 4 cylinder rav4 I rented couldnt get past 23~24mpg on the highway.
 
our mini scion xa road trip. did slightly better doing ~75mpg covered 256miles using 8 gallons. ~32mpg. I actually drove it some this time. And ya the thing needs some heads up its passing, my sunfire is similar but the bigger 2.2 engine has a bit more troque. I needed to plan a 65mph pass with the xa.

greenpony says:

11:25 AM, 03/31/08

I'd say that's about what you'd expect from a vehicle in this class: 28 mpg on the highway. If it was meant as an economy car, Toyota would have left the anemic 1.5L in there. Instead they opted to make it more driveable. What about other small hatches with similar power? HHR (22/30), PT Cruiser (19/24), Caliber (23/27), Element (20/25), Mazda3 (22/29), '09 Matrix (21/29), Rabbit (21/29). So its mileage is pretty normal considering its competition.
  
For irba:
Now, maybe I'm not looking hard enough, but I can't find a single 3.6L V6 engine that yields anywhere close to 22/28. 18/26, maybe, but not 22/28. The awd RAV4 gets 20/25 in 4-cyl trim; again, not even close. And the Sienna? 17/23.

bemanix88 says:

12:04 PM, 03/31/08

Problem here is, the old xB got 30+ mpg CONSISTENTLY with no conscious effort and also had more interior room! So what if it needed to downshift more often? That was part of its character.
 
Then again, there are always the people who will sacrifice everything else in order to have better performance in 30mph headwinds, or tow a boat once a year, or, well, you get the idea.

cx7lover says:

12:42 PM, 03/31/08

The Sonata gets better MPG.

djsyndrome says:

01:04 PM, 03/31/08

We rented a new xB for a week while the Matrix was in the body shop. I couldn't wait to hand it back. Poor mileage, poor visibility, poor handling - other than the flat backseat floor there was nothing redeeming about the car at all. Scion took everything that was great about the original xB and neutered it to satisfy Americans. No wonder sales are down.
 
In comparison, my Matrix gets 30mpg combined regularly, outruns and outhandles the xB, and doesn't look like a UPS truck that was left in the drier too long.

texases says:

01:11 PM, 03/31/08

You'd think this was an H2 or Dodge Ram Hemi, judging by some of the comments. Somehow, getting 27+ mpg while hauling four people and a load of luggage is related to "the people who will sacrifice everthing else..." Gimme a break!
 
p.s. Yes, there are sedans that might get similar mpgs, but are not nearly as versatile.

chevy598 says:

01:22 PM, 03/31/08

I have a 3.9L Impala and at 65mpg I'll get about 33mpg. It doesn't matter what direction the wind is blowing.
I don't think you can expect to get great highway mileage in a vehicle that's shaped like a brick. Look at how much mileage was effected when edmunds put the luggage on top of the enclave.

djsyndrome says:

01:26 PM, 03/31/08

@texases: some of the outrage may come from how far the second xB has strayed from the original: it's no longer light, zippy, or efficient, all qualities that caused the xB to be such a success for Scion.
 
Toyota could have solved this by putting in a four-cylinder engine somewhere between 1.5 and 2.4 litres to compromise between performance (which the aging 2.4 lacks anyway) and economy (which the 1.5 offers). Problem: Toyota only offers once such engine in the US, the 1.8 used in the Scion xD, Corolla and Matrix.
 
Toyota hasn't offered a 2.0 or 2.2L engine here in years (the last one was the 2.0 in the RAV4, which was killed four years ago). And given their thinking of late - share as many components as possible and offer no truly unique engines - it will probably stay that way for the indefinite future.

texases says:

01:44 PM, 03/31/08

dj - I understand the disappointment of the gen1 xB crowd, and it is causing Scion problems in the market, as described in this NY Times article: http://www.nytimes.com/2008/03/30/automobiles/autoreviews/30scion.html?ref=automobiles
 
I just step back, and, for what it is, it does its work OK. If you don't need the room, yes, other cars will be a better choice.

desmolicious says:

01:50 PM, 03/31/08

Worst vehicle to drive in those I-10 headwinds? My 6 cylinder Wrangler. There the sail like areodynamics really really really hurt it. I had to be in 3rd gear to maintain 60mph on the freeway! Did that trip too many times...

m_thrizzle says:

02:57 PM, 03/31/08

You say the headwind is like hitting a brick wall, but the wind is probably saying the same thing about the xB!!

irba says:

03:09 PM, 03/31/08

for greenpony,
 
(I was meaning 3.5 & 3.6 V6, their engine displacement are so close..)
 
try the 3.5 V6 camry which gives you a handsome 28mpg on the highways, and I was surprised to find that the 2008 mpg for the V6 4WD RAV4 is even better than the 4 cylinder version... 26mpg highway!
 
I know 26=\=28, but I would sacrifice the 2 mpg for the look, interior space, and awd.
 
They should really have offered an 1.8 or 2.0 base model for the new XB...

texases says:

04:01 PM, 03/31/08

Sure, a Rav4 is better in many ways, but also much more $$, especially the V6. I'm curious - is there a better option than the xB for the same $$? Would need to have same amount of room, remember.

aspade says:

04:57 PM, 03/31/08

dj -
 
The mileage drop isn't coming from the bigger engine. It's coming from the 700 pound weight gain, and the larger frontal area, and the wider tires.
 
Putting a minicar engine in a regular sized vehicle doesn't give you minicar mileage. It just gives you a slow car which makes a lot of noise and gets 28 mpg instead of 27.

misterfusion says:

05:11 PM, 03/31/08

Texases: I'm interested in this segment, and if I were looking today, I'd cross-shop the xB against the Versa and the 2009 Matrix/Vibe with the 1.8l engine.
 
The Versa is the least "sporty" of the group, but thanks to the deteriorating L.A. streets, I wouldn't mind a softer-sprung ride. Plus, I like the available hi-tech features.
 
The Matrix/Vibe have the decent 1.8l engine and a flat load floor, and the Vibe has the longer warranty and standard OnStar. So for me, it's a wash between the Versa and Vibe right now.
 
I've ruled out the HHR due to the poor mileage of the Ecotec engines. (Plus, that car is way overpriced.)

firstwagon says:

05:12 PM, 03/31/08

aspade
 
I agree completely. Whether you put a 1.8, 2.4 or even a 3.5 V6 in this thing, it will get about the same mileage.
 
Weight and drag kill mileage, at least the original was light.

altimadude00 says:

06:24 PM, 03/31/08

misterfusion -- you must be living the same life as me.
 
I am also cross-shopping the Versa/Vibe/xD and have come up with similar opinions.
 
Versa-Gas sipper, comfortable, has quirks but can live with them.
 
xD-Funky, more style, equally as economical
 
Vibe(GT)-Wild Child styling, better performance(w/2.4), better versatility, worth the hit in the pocketbook and at the pump?
 
I'm waiting for GM to slap some incentives on the Vibe so that the prices will equal out somewhat. Frankly, I'd probably be happy with either one of them.

misterfusion says:

07:11 PM, 03/31/08

LOL Altimadude, small world (or should I say "compact"?) Forgot to mention that the Versa has damned impressive IIHS crash ratings -- but no available stability control (d'oh!). But what I like about it is that a loaded Versa costs about the same as some entry-level competitors.
 
I figured the 2.4 Vibe would get the same mileage as the xB, so I wasn't sure if it was worth it. :P
 
I like the xD, but any idea what the crash ratings are?

firstwagon says:

07:29 PM, 03/31/08

"but no available stability control (d'oh!). "
 
Does anyone actually care about stability control?
 
Always struck me as a gadget carmakers stick on a car to give the illusion of safety.

altimadude00 says:

08:36 PM, 03/31/08

Misterfusion -- According to a quick flip through Edmunds' pages (of course not the end-all, say-all source), the xD actually out performs the Versa in side impacts, earning five stars by the NHTSA. Other scores are the same. The xD received an "Acceptable" from the IIHS in comparison of a "good" rating for the Versa.
 
Mileage for a manual xD is 27/33.
Pontiac Vibe w/1.8L: 26/32
Pontiac Vibe GT (2.4L): 21/29 (pontiac.com)
Nissan Versa CVT: 27/33
 
So, at least with the 1.8L engine, the Vibe is competative in MPGs. But as you said, a loaded Versa gives you lots of goodies at a base Vibe price. And the Scion is even cheaper yet.
 
Grr! Why can't these choices be simple!

altimadude00 says:

08:45 PM, 03/31/08

If I were to choose today, I would choose glutany and style over economy and blandness and go for the Vibe GT. At least then I would know I would have a smile on my face while driving.
 
Since my current Altima has...well...had when it was new, 155hp and now gets on average 24mpg, the Vibe would be like getting the same car...only cooler...and more versatile...and safer.
 
I don't know how I would feel like with only 120-ish hp from the Versa and the xD.

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