C32 AMG, C55 AMG (W203) 2001 - 2007

MPG war! Who's got the best HWY MPG?

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Old Aug 19, 2017 | 07:27 PM
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austinholloman's Avatar
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W203 C55 and SAAB 9-3 2.0T
Talking MPG war! Who's got the best HWY MPG?

This picture was taken today when I arrived at Eurocharged for my ECU/TCU Tune (The tires light up all the way through first gear now). I'm going to see if it does any better or worse on the way back to Dallas.



Last edited by austinholloman; Aug 19, 2017 at 07:37 PM.
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Old Aug 19, 2017 | 08:06 PM
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2013 c63 Magnuson SCed
25.3mpg driving from Dayton, Oh to Outer Banks. A/C blasting and a full trunk doing 75-80mph.

My work commute is only 10 miles of half city, half backroads and average 19-ish. Hard not to blow out the cobwebs on the backroads, so mileage suffers for my sanity.
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Old Aug 19, 2017 | 09:45 PM
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From: Dallas, Texas
W203 C55 and SAAB 9-3 2.0T
I can't seem to break 24.5mpg... I hit that one time from Fort Worth to Dallas and can't do it again. My daily commute in traffic is a 30 miles round trip and I average 19.8/20mpg. I'm pretty happy with that.
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Old Aug 19, 2017 | 11:40 PM
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From: West Palm Beach, FL
'99 C43, '88 560SL
For what its worth, I get between 17-18 mpg on the highways
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Old Aug 19, 2017 | 11:49 PM
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W203 C55 and SAAB 9-3 2.0T
You must be enjoying several spirited passes per trip! Lol
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Old Aug 19, 2017 | 11:52 PM
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From: West Palm Beach, FL
'99 C43, '88 560SL
Originally Posted by austinholloman
You must be enjoying several spirited passes per trip! Lol
Driving with a lead foot almost seems like an understatement but the car is so much fun to drive!

If I get 15mpg in the city driving its a good day for me
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Old Aug 20, 2017 | 07:28 PM
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This was the best I could do post tune.


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Old Aug 20, 2017 | 08:43 PM
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2014 C63
The best I got with the C32 was 26.0 mpg. That was with the cruise control at 55 mph on the highway!

Best I can get with the C63 is 20.2 with cruise control at 65 mph on highway
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Old Aug 21, 2017 | 08:27 AM
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Mine was set to cruise at 80mph but I hit some serious traffic at one point and it dropped my average speed. I think I would have broke into 25 with out the traffic.
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Old Aug 21, 2017 | 09:11 AM
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'20 X5 M50i; '17 Ram 3500; Golf Cart; Bikes; Scooters
My C32 gets 25 mpg in daily commuting. It gets about 23 once I hit 65-75.
My SL55 does 21 mpg on highway cruise, and 15 around town. Not bad for a heavy 500 HP monster that I can't keep my foot out of.
The E350 Bluetec does 40 mpg on cruise, and about 32 with me wife going shopping.

Last edited by kbob999; Aug 21, 2017 at 09:12 AM. Reason: Added more cars
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Old Aug 21, 2017 | 05:53 PM
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W203 C55 and SAAB 9-3 2.0T
Originally Posted by kbob999
My C32 gets 25 mpg in daily commuting. It gets about 23 once I hit 65-75.
My SL55 does 21 mpg on highway cruise, and 15 around town. Not bad for a heavy 500 HP monster that I can't keep my foot out of.
The E350 Bluetec does 40 mpg on cruise, and about 32 with me wife going shopping.
I'd love to have a w123 or w124 diesel for my daily driver. Might pick up a w123 240D for sitting in traffic next year. They have no power but how much do you need for traveling 15mph on the highway at 5pm?
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Old Aug 23, 2017 | 07:02 PM
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From: ohio
C32 AMG
Originally Posted by skullbox15
The best I got with the C32 was 26.0 mpg. That was with the cruise control at 55 mph on the highway!

Best I can get with the C63 is 20.2 with cruise control at 65 mph on highway
Curious how many you get in city with C32?
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Old Aug 28, 2017 | 03:07 AM
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2014 C63
Originally Posted by amgrobaspach
Curious how many you get in city with C32?
C32, I think the best I got was 17.5 mpg.
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Old Aug 28, 2017 | 07:08 PM
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C32 amg
C32 8.7 litres per hundred with family in car going to cottage
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Old Aug 28, 2017 | 07:15 PM
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W203 C55 and SAAB 9-3 2.0T
Originally Posted by skullbox15
C32, I think the best I got was 17.5 mpg.
I didn't realize that the C55 and C36 got such similar mileage. Mine does 18mpg in the city. If it's heavy dead stop downtown city traffic, it does closer to 16mpg.
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Old Aug 30, 2017 | 06:13 PM
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C32 AMG
Im getting around 15.4mpg right now for city driving for my C32, Not the greatest, I may have to replace my Fuel Injectors, not certain yet.

Last edited by amgrobaspach; Sep 2, 2017 at 02:40 PM.
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Old Aug 31, 2017 | 07:49 PM
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From: Sunny CA
2005 S55 AMG Designo, (sold)2001 ML55 Designo, (sold)2004 C32 AMG, RIP 2005 Volvo s40 2.4i
It was 28 not too long before the picture was taken. I couldn't get a pic of when it said 28 because I was driving
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Old Aug 31, 2017 | 09:41 PM
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From: Dallas, Texas
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My parents recently took a trip from Texas to Florida in my mom's 2016 Camry 4 cylinder and they averaged 29mpg. Lol! You almost matched them is a SC'd V6! Awesome.
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Old Sep 10, 2017 | 11:07 PM
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2006 C55 RENNtech


This was my first drive after the supercharger install
27.3505 per gallon

Last edited by winks911; Sep 10, 2017 at 11:09 PM. Reason: info to be added
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