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Go Back   TDIClub Forums > TDI Model Specific Discussions Areas > VW Passat Family (NMS and B7) TDIs (2012+)

VW Passat Family (NMS and B7) TDIs (2012+) Discussion area for the 2012+ Passat TDI (North American and rest of world versions versions). The North American model was previously codenamed NMS (New Midsize Sedan) and the version the rest of the world gets is sometimes referred to as B7.

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Old June 8th, 2017, 13:04   #1231
ezshift5
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Join Date: Sep 2003
Location: West Coast
Fuel Economy: Please note Fuelly...........
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I was recalling - - IIRC - - the DSG versus 6M highway fuel economy differential was linked to final drive ratio,.......................

Where has this sailor gone awry?

ez
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Old June 22nd, 2017, 01:18   #1232
New Mickey
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Join Date: Jun 2017
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TDI(s): 2015 Passat
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I have a favorite late night road trip loop that I like to do. I've done it with ALL my vehicles, multiple times. Cars, trucks and motorcycles. It's exactly 100 miles. It involves some 60 to 65 mph two-lane, several miles through a small town with some stoplights, a fun blast up a mountain two-lane and then descending the winding road down the other side, a 35 mile up-and-down but largely straight two-land, and finally a 20 mile blast on 80 mph interstate.

Sometimes I do it for fun. Other times for fuel economy. So I can compare and contrast.

My Evil Beetle never did better than 47 mpg on the loop. My 2015 Passat (DSG + Phase One reprogramming) did an astounding 55 mpg.

At 80 mph, dead level and zero wind, the instantaneous fuel economy reading hovers around 45 mpg.

I consider that more than adequate. Zero complaints here.

-mickey

p.s. When I hit a jackrabbit with the Evil Beetle on that loop the result was $800 in damage. I hit TWO of the little buggers with the Passat and didn't hurt the car a bit. Killed the bunnies deader then hell, though. So....WINNING.
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Old June 25th, 2017, 20:56   #1233
mikew85120
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Location: Arizona
Fuel Economy: 34-37 City 44 highway
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Our 2014 Passat SE TDI DSG had the fix a few weeks ago. First long trip, south east of Phoenix AZ to Reno NV. Filled up at home and than in Tonapah NV. 546 miles on odomiter, fill was 12.399 gallons at $2.33. calculated 44.035 miles per gallon. Quite a bit of the drive is hilly up 6200'.
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Old July 1st, 2017, 11:36   #1234
mikew85120
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Fuel Economy: 34-37 City 44 highway
Default Road trip to Reno

Just got back home.
Quote:
Originally Posted by mikew85120 View Post
Our 2014 Passat SE TDI DSG had the fix a few weeks ago. First long trip, south east of Phoenix AZ to Reno NV. Filled up at home and than in Tonapah NV. 546 miles on odomiter, fill was 12.399 gallons at $2.399. calculated 44.035 miles per gallon. Quite a bit of the drive is hilly up 6200'.
From the fill up in Tonapah to Reno and running around in Reno and back to Tonapah. Fill up in Tonapah 552.7 miles, 13.043 gallons@$2.399 42.375 miles per gallon. Tonapah to home 539.3 miles, 11.977 gallons@$2.399 = 45.028 miles per gallon. TOTALS 1638.0 miles, 37.419 gallons diesel for an average of 43.77 miles per gallon.
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Old July 11th, 2018, 18:10   #1235
mejpassat
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Default Fuel mileage 2015 Passat SEL TDi NOS

2015 SEL TDI NOS w/ Phase one, 21,494 miles on car currently.
(Car was purchased new)
Trip:
From Los Osos, CA to Petaluma, CA:
Also includes trip to Bodega Bay and town driving.
Tank avg was 49.4
Speeds were 65-70.
Headwind on trip up, tailwind on trip back.(5-7 mph)
Trip Avg. (return trip)52.5
Total miles was 634.4 and used 14.516 gal. still had 3/16 of a tank left of fuel.
Actual tank mileage was 44.2(fuelly) By my calcs, this would have been an 800 mile tank. WOW
Time to get VCDS out!
In a few weeks I am scheduled for phase 2. Going to be interesting to see what it does to fuel mileage.
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Last edited by mejpassat; July 11th, 2018 at 18:14. Reason: Add information.
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Old October 6th, 2018, 01:34   #1236
Dan C.
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been averaging 42-44 mpg per tank on my normal commute.

Did a road trip to CA this week. Came home today. 831.7 miles from filling up outside of Monterey. Refilled near home with 16.675 gallons.

Tried to keep it between 65-75, the car seems most happy around there.

knock on wood...pretty stoked.
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Old December 16th, 2018, 11:00   #1237
Tom in PT
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Fuel Economy: 41 mpg in '05 ; up to 57 in '13
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With my 2013 Passat TDI SE, after the Gen 2 fix, over the last year and a half I have seen 1-3 MPG decrease as compared to the pre-fix MPG. Now (December 2018) with winter fuel, seeing another 2-3 MPG decrease. Average highway economy at speeds 50-65, driving with a light foot is 47-50 MPG, before it was in the low to mid 50's with a top of 57 on summer fuel, 99 percent highway at 60 mph. It's rare that I break the 50 MPG barrier on a given trip of less than 50 miles. It used to happen routinely.

Tank to tank with a mix of city and highway I'm averaging ~ 43 mpg.
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Old February 23rd, 2019, 20:25   #1238
Dan C.
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The last 6,880 miles I've been averaging 41.64 based on tank fills, which I'll take being that is assorted driving, traffic jams to wide open spaces, gravel to nice new paved.
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Old May 27th, 2019, 14:58   #1239
Jetta_Pilot
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Quote:
Originally Posted by Dan C. View Post
The last 6,880 miles I've been averaging 41.64 based on tank fills, which I'll take being that is assorted driving, traffic jams to wide open spaces, gravel to nice new paved.

That's about my average too since I bought the car. Mileage calculated manually and no 80 Mph + as many claim they do and get 70 Mpg.
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Old June 3rd, 2019, 13:08   #1240
2OO2TDI
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Fuel Economy: 45.36723163841808
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Hello all!
Had the 2015 Passat DSG for about a year, gf drive it for work, gave it back to me last weekend and for the first time on my long commute from Disneyland to Fresno I got 49.8681808963699 average hand calculated. Super stoked, up the grapevine pulling at 73 cruise, never fell out of gear. Mostly 75MPH average.
I was thinking of going with the Kerma tune, not sure what you all suggest, I’d love to rip out anything that’s killing more potential mpgs.
Please chime in
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Old June 4th, 2019, 06:12   #1241
740GLE
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A tune won't help MPG unless DPF deleted, and really that only help on shorter commutes. If thats the case, Kerma doesn't sell what you want, look at Malone, they offer Eco tunes.

As you noted on your long highway run once the emissions system is up to operating temp (IM thats anything more than 30 miles) and you're cruising on the highway, stock emissions is not really that restrictive or MPG robbing. A few pints of fuel is consumed with active regens, but while running on the highway the emissions does passive regens.

If you were commuting less than 10 miles each trip the DPF and control systems dumps fuel way more to keep those emissions in check.
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Old June 4th, 2019, 15:56   #1242
2OO2TDI
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Quote:
Originally Posted by 740GLE View Post
A tune won't help MPG unless DPF deleted, and really that only help on shorter commutes. If thats the case, Kerma doesn't sell what you want, look at Malone, they offer Eco tunes.

As you noted on your long highway run once the emissions system is up to operating temp (IM thats anything more than 30 miles) and you're cruising on the highway, stock emissions is not really that restrictive or MPG robbing. A few pints of fuel is consumed with active regens, but while running on the highway the emissions does passive regens.

If you were commuting less than 10 miles each trip the DPF and control systems dumps fuel way more to keep those emissions in check.

I would DPF DEL if she wasn’t under extended warranty. So I imagine Malone would be my best bet?

Thanks.

Joe.
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Old June 5th, 2019, 08:12   #1243
740GLE
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It'll be the best future proof tune (same reason we went with malone over kerma), if a DPF delete is in the future of the car.

Big thing to be aware of is VW can tell if you tuned the car and can void that extended warranty, even if you tune it back to stock. Better go in with your eyes open that be surprised and angry after the fact.
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Old June 6th, 2019, 06:52   #1244
03 shaker
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I have a general question about DSG vs manual MPG. Does the manual consistently get that much better mileage? Or maybe a better question for this thread is, what's lifetime mileage for your car?

I've read through some of this thread (but there's so much to read and sort through) and the 6 speed thread but it still seems like answers vary. Some say the DSG can easily get 48-50, while others consistently get 40-42.

I know this question has too many variables. I wish you could sort by transmission on fuelly.

I love a manual, but my current commute has a good bit of stop and go. And with the prices on Passats right now, it's hard not to think about upgrading.
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Old June 6th, 2019, 08:35   #1245
jck66
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My understanding is that (at least with the 12+13 MY cars) the final drive for the 6M was a little taller, resulting in fewer rpm at a given speed than with the DSG. This may account for some of the difference in mpg's people are reporting.

I know I struggle to achieve 40 in my 2012 DSG but I have a 25-mile round trip commute so the car doesn't get to stretch its legs much. On long trips I see higher numbers but never in the 48-50 range like some folks report. I think the terrain must have an effect (hills vs. dead flat).
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