Does anyone know where we can find information on the weight of a 1LT vs a 2LT vs a 3LT, as well as Z51 etc.? I have a deposit on my C8, but would really like to know some specifics on the weight of the various packages before I decide. Any help you can supply is appreciated!

Thanks
Al

 

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Car & Driver estimated C8 curb weight of 3600 lbs (they estimate 150 lbs over the C7.) Based on what GM has mentioned for "dry weight" 3366 lbs, that sounds like it might be close, we'll see what GM publishes. Don't belive they have yet.

For comparison, GM quotes curb weight for my Grand Sport at 3444 lbs but that is lighter than some mags mention "as tested!"

The difference in the C7 Z51 versus base was ~97 lbs. BUT that included a separate dry sump tank. Both base and Z51 have a dry sump integrated into the engine, fabricated from plastic and holding ~2 less quarts of oil than the C7.

Don't think the extra speakers and the different materials in a 2LT or 3LT would be more than ~50 lbs, if that. Can't believe that would make a purchase decision. Nor do I expect GM will publish those numbers!

GM faux "Mulan leather" is made similar to vinyl with ~40% chopped fine leather scarps for filler. Probably weighs about the same. In fact GM has never said which materials are used for what parts in the C7 1LT, 2LT or 3LT. The only thing defined is the 3LT "seating surface," is "real" Napa Leather. That does not include the bolsters only where you sit. The others are formally called "soft touch materials." By inference, because of shrinkage problems with the 3LT dash it's probably made of faux "Mulan Leather." From forum reports the 1LT and 2LT dash, also covered in a "soft touch material" don't - and by inference are probably vinyl!

 

Brake rotor weight may be different.

 

Yep they would be. Front 13.3 OD Z51 versus 12.6 Base Rear 13.8 OD Z51 vs 13.6.Base

 

I would like to know the weight of each option and trim package as well.

And that's specifically why I'm leaning towards 1LT and no lift option (I could buy 5 to 10 front splitters and replace them as needed as compared to the price of the lift option anyway). The lighter the car, the better.

 

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You can get Base, Z51, Grand Sport, Z06, ZR1 for the C7 BUT not the different "trim packages!" Won't get that from GM or car mags!

So at some point you'll get the official Base & Z51, probably with LT1 and no options as GM wants to put the best face possible! Current "reasonable guess" is Base "curb weight" 3550 to 3600 lbs and Z51, 75 to 90 lbs heavier. We'll see.

 

Info is not yet published. Like Jerry said above, I doubt we'll see GM give us different numbers for each of the trims.

However in the videos/articles after the unveil, Corvette reps have stated that the 1LT is the lightest spec.

Z51 obviously adds weight. Jerry's guess of 75 to 90lbs sounds high but is probably fairly accurate... additional radiator is a big weight add, splitter/spoiler add weight, NPP valves add a few pounds of weight and the other items likely all weigh more than the base items they replace: ELSD likely weighs more than standard LSD, adjustable coilovers are usually heavier, larger brakes definitely weigh more (unsprung weight, too). Plus mag ride system if you spec that.

Besides colors, almost every option will add weight to the car. 2LT and 3LT are mostly electronics but I wouldn't be surprised if they added 80-100lbs. HUD, heated & vented memory seats, additional cameras, PDR, power-fold mirrors, 4 more bose speakers, more leather. Even seemingly insignificant stuff like heated wheel adds weight-- not just the heating element, but an additional switch, additional wiring. Might be 6, 8oz. Add up all the pounds, ounces and grams and it adds up.

The lifter option includes two screw jacks and electric motors. They are not exactly the screw jack you have in your garage, but they will still be heavy.

I believe the competition sport buckets have been quoted as being lighter weight than GT1 and GT2 seats, but we don't yet know how much. Presumably carbon roof option would drop the weight by 5-10lbs. Carbon trim, microfiber wheel might shave a few grams.

 

C8 Curb weight coupe- 3535 lbs, z51- 3577 lbs, convert- 3637 lbs, weight dist- 40/60, dry coupe-3366 lbs, dry convert 3467 lbs, engine 466 lbs, dct trans 341lbs

 

On the C7 the weight difference from 1LT to 3LT was around 32 lbs. Not worry worrying about in my book.

 

Thanks everyone!

 

vert adds 77 lbs not 100, DCT adds 100lbs over C7 weight.

 

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To avoid and apples and orange comparison, the DCT includes lots of "things" the M7 did not! Similar the extra weight versus the C7 A8 trans/dif with torque converter fluid that makes it work, two chassis mounted air/fluid heat exchangers, eLSD electric motor/pump and hoses mounted on the chassis and not part of the C7 trans weight.

We don't know how much the C8 chassis weighs versus the C7. All those large high pressure aluminum castings (called Bedford in pic as that is where GM produces them) may be technologically great BUT to get the added rigidity and needed strength may add extra weight!

 

To avoid the apples to oranges - I wouldn't compare the manual C7 to the C8 it must be compared to the auto C7 where the DCT adds 100lbs and the Vert adds 77 minus the weight of the C7 vert. what maybe half, also there is a lot more to the interior vs the C7 most of the plastic is gone and replaced by aluminum and leather. I think it is safe to say at least 150lbs of weight gain is in the Trans, Vert and interior like 4 more speakers and a phone charger.

 

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Don't think there is even close to a 150 pound difference in an A8 with dif and all the other "stuff" that makes a viable C7 transaxle system!

I did mentioned the A8 "slushbox," which no doubt weights more than the M7 and you have to include:

1. The weight of the C7 dif, that is part of the DCT 341 lb weight.
2. All the fluid in the torque converter required to make it operate.
3. The two ~30/35 lbs each air/fluid heat exchangers (for A8 trans and dif coolers) with case and electric fan motors behind each C7 rear fender and the ducts directing air to them versus the liquid/liquid cooler integrated as part of the DCT
4. The electric motor driven high pressure pump with hoses for the eLSD in the C7 that is mounted on the chassis where that function is included the DCT.

Would not be surprised in the C7 A8 "slushbox" with all that is needed to make a viable transaxle weighs somewhat more!

Would also not discount the chassis being a significant part of the weight increase!

 

Yeah that chassis is WAY beefier... maybe there is some truth to those "frame twist" rumors with the high po models. Very interesting to look at the two side by side. Hadn't done that yet.