Early Owner Feedback

[V1s1on1]

I'm not sure how/why, but the BMWs (and possibly other German cars) seem to have an edge over the competition in terms of mpg (for similar size/weight/power vehicle), even before they started adding the mild hybrid feature. (The 335i/340i EPA ratings were about 5mpg higher than the 3.3T G70.)
I will say that the exhaust on my G70 is significantly more restrictive (smaller diameter, with flattened sections over the rear axles) than the exhaust on my previous 3 series sedans. Maybe this is a factor (which would also drive up their cost a bit).

Agreed noticed that think this is true of Hyundai, Toyota and American cars. When compared to the Germans. But they also are known to be off on their numbers too. How BMW undercounts horsepower. Would have to find a video that shows the pre hybrid beat a G70 in MPG. But also need it to be apple to apples bc their lower version M340 will have 1/2 the tech. If we look at EVs many of them go barebones when electric power is low. Might be that’s how they do it on older models no additional tech blind side mirrors. Sensors front and back running, driver assist.

 

[Husky]

Lack of some Tech features aren't buying BMW 5 mpg!

 

[Chad86tsi]

Lack of some Tech features aren't buying BMW 5 mpg!

One thing the BMW's are likely doing is running them leaner. You can do that if you use good internals, and are careful with your design and tolerances.

If you want a longer warranty period and loose/cheap standards inside, you will run a little more rich, which greatly reduces pre-ignition and heat and reduces overall risk. Rich = lower fuel economy.

Example of this principle, the M340i requires premium, the G70 does not. This is requirement predicated by tuning.

I'm sure there are many factors, but this is likely one of them.

 

[Slip_Angle]

I'm a big electric car fan and likely will have one in the next few years but something I hadn't considered was that though EVs are much cheaper to charge up and run, the governments have yet to implement taxes that are equivalent to what they have on gasoline. In Canada I think we pay .25c per liter in taxes to cover roads and such. That is not yet factored into the costs for charging EVs but I'm sure that will be coming. So it's another thing that needs to be considered.

 

[V1s1on1]

what is 10% high? My 5.0 was officially rated for 23 highway. I got 24 to 25 on my daily commute which was 99% highway speed. I' started to see 26's and even 27 when covid hit and there was no traffic so I never got below 50 in 8th gear on that route.

28 years ago my work truck was a 2.3L 4 cylinder 1994 ford ranger. It also got low fuel mileage, usually right around 20 MPG. Why? It had to work hard to do the job that was asked of it. My current daily driver engine is almost 3 times the size and 6 times the power output with nearly the same fuel consumption. Why? The engine isn't ever working very hard, it will cruise at highway speed at 1300 RPM. The tech improves efficiency a lot, but the most efficient small engine will still produce low mileage when pushed hard or carrying around a lot of weight, unless the engine is large enough to absorb that load.

The 2018 G80 came with the 3.3TT and the 5.0, the 3.3 gets one more MPG : 4% better, but produces 14% less HP. They have a lot of the same tech besides the obvious turbo aspect. A smaller motor has to work harder to do the same work, which reduces it's efficiency. The G80 a heavy car, so it's always working that 3.3.

Same weight factors apply to the GV70 and GV80 that produce a lot of fuel consumption complaints. Those are heavy SUV's with engines that are not very large, expect poor mileage.

Back to the 2.3l ford motor, that same motor was in the Mustang, it got 10% fuel mileage in the mustang, and the Mustang was 10% (300#'s) lighter. Regardless of tech or engine tune, weight is a big factor. The AWD G70 is 900 pounds heavier than the 1993 2.3L Mustang. Cars are heavy these days.

The gas mpg on the G70 being 10-15 percent lower than say the M340 2019 that isn’t hybrid. My fault not higher.

 

[V1s1on1]

what is 10% high? My 5.0 was officially rated for 23 highway. I got 24 to 25 on my daily commute which was 99% highway speed. I' started to see 26's and even 27 when covid hit and there was no traffic so I never got below 50 in 8th gear on that route.

28 years ago my work truck was a 2.3L 4 cylinder 1994 ford ranger. It also got low fuel mileage, usually right around 20 MPG. Why? It had to work hard to do the job that was asked of it. My current daily driver engine is almost 3 times the size and 6 times the power output with nearly the same fuel consumption. Why? The engine isn't ever working very hard, it will cruise at highway speed at 1300 RPM. The tech improves efficiency a lot, but the most efficient small engine will still produce low mileage when pushed hard or carrying around a lot of weight, unless the engine is large enough to absorb that load.

The 2018 G80 came with the 3.3TT and the 5.0, the 3.3 gets one more MPG : 4% better, but produces 14% less HP. They have a lot of the same tech besides the obvious turbo aspect. A smaller motor has to work harder to do the same work, which reduces it's efficiency. The G80 a heavy car, so it's always working that 3.3.

Same weight factors apply to the GV70 and GV80 that produce a lot of fuel consumption complaints. Those are heavy SUV's with engines that are not very large, expect poor mileage.

Back to the 2.3l ford motor, that same motor was in the Mustang, it got 10% fuel mileage in the mustang, and the Mustang was 10% (300#'s) lighter. Regardless of tech or engine tune, weight is a big factor. The AWD G70 is 900 pounds heavier than the 1993 2.3L Mustang. Cars are heavy these days.

Again the point I think those cars your describing don’t have nearly the tech. And unlike EVS you can’t go barebones to conserve fuel. I have watched videos and many EVs have a mode where you can turn everything off but the essentials to get to a charger. It’s not apple to apples. Closest we have is eco mode. Point I made is often to get say ventilated seats in a BMW. You have to add multiple packages. And someone could be having their air off and their ventilated seats on or lane assist we have no idea how that affect fuel consumption.

 

[V1s1on1]

One thing the BMW's are likely doing is running them leaner. You can do that if you use good internals, and are careful with your design and tolerances.

If you want a longer warranty period and loose/cheap standards inside, you will run a little more rich, which greatly reduces pre-ignition and heat and reduces overall risk. Rich = lower fuel economy.

Example of this principle, the M340i requires premium, the G70 does not. This is requirement predicated by tuning.

I'm sure there are many factors, but this is likely one of them.

Also unless you made the car you don’t know what it buys them. It’s just not apple to apples particularly with the new hybrids. Or even with the old cars that may not even have heated seats let alone ventilated seats and that’s not even moving to lane keep
Assist.

Whole thread is overstating things here’s a guy and he tested a M3 it’s got 29.4 mpg

Video I posted above 2 guys got about the same for the G70. It drinks heavy in city but V6 drink heavy in city it is not a 5 mpg gap might be a mile or two without the hybrid.

Repost

 

[pulsar]

Been lots of talk on and off here about MPG. I’m guessing most 3.3 owners did not buy our cars for gas mileage. I like the fun factor and quick power on demand when I need it. When gas hit $3.99 I started using eco mode to and from work vs normally I used comfort with occasional sport mode. City driving 35mph to 50mph areas about 12 miles each way. Average 20.5mpg mostly so can’t really complain. My G37 with V6 was similar. Highway I can get 28mpg. There are V6 engines out that do better than ours on MPG, but not sure when comparing price I paid, amenities I have, fun factor of my G70 that there are very many other cars comparable? My Miata 4 banger gets about 24MPG around town and it has less than half the power of my G70. Never understood that either?

 

[Husky]

@V1s1on1: You're looking at an M3! Not the same animal. Google the EPA ratings for a 2019 G70 3.3T AWD and a 2019 BMW M340i Xdrive. It's 17/20/25 mpg for the G70 and 22/25/30 for the BMW. That's a difference of 5 across the board. They weren't using the hybrid assist on that model in 2019, which is why I'm not comparing 2022 numbers.
How much gas do you think Lane Assist uses?? We're talking about tens of watts for a feature like this. There's 765 watts in one HP. So the tech you keep referring to is only using a small fraction of one horsepower. It's NEVER going to eat up and extra 5 mpg.
Also, they're not likely to measure/quote EPA figures with the seat heaters on, and if they did, they wouldn't do it on one car and not the other.
Don't get me wrong, the G70 is a great car, which is why I own one, and it's cheaper than the German competition. But let's be honest about it's gas mileage. (And give BMW credit for making more HP with a 10% smaller engine while delivering better mileage!)

 

[Husky]

Been lots of talk on and off here about MPG. I’m guessing most 3.3 owners did not buy our cars for gas mileage. I like the fun factor and quick power on demand when I need it. When gas hit $3.99 I started using eco mode to and from work vs normally I used comfort with occasional sport mode. City driving 35mph to 50mph areas about 12 miles each way. Average 20.5mpg mostly so can’t really complain. My G37 with V6 was similar. Highway I can get 28mpg. There are V6 engines out that do better than ours on MPG, but not sure when comparing price I paid, amenities I have, fun factor of my G70 that there are very many other cars comparable? My Miata 4 banger gets about 24MPG around town and it has less than half the power of my G70. Never understood that either?

Agreed. I was just trying to set the record straight.

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[Chad86tsi]

Also unless you made the car you don’t know what it buys them. It’s just not apple to apples particularly with the new hybrids. Or even with the old cars that may not even have heated seats let alone ventilated seats and that’s not even moving to lane keep
Assist.

All my comments are based on my tuning of turbo engines in the late 1990's and early 2000's with full stand alone programmable fuel computers when wide band O2 sensors were not common, and you had to tune very carefully to find the edge of detonation, then enrich the mixture to ensure you never encountered it. Lean engines produce the most HP per cycle, but are also ready to blow with a slight varrience in fuel mix. Wide band O2 sensors, direct injection, and better (faster) processing allows engines to be pushed harder (leaner). Some makes choose to run rich to avoid this liability. It's a wise approach from an economics view, engines warranties are expensive to underwrite.

The 4.4L V8 BMW (s63) engine makes the same HP as the 6.6L V12 (N74), but the V12 is far more reliable. The V8 is pushed a lot harder to make that HP, and is known to suffer on long term reliability, it runs nearly twice the stock boost pressure to make that power. They have similar fuel mileage BTW.

Based on anecdotal evidence and known ratings, it seems Hyundai/genesis have taken a conservative fuel mixture approach : the engines are reliable and can run on low octavin fuel. Running them rich is one of the easiest ways to accomodate/accomplish this. And why not? they don't have to pay for the gas I used the same approach on the engines I tuned, and I've not blown one up yet. Ric mixtures cost more in fuel, but it's cheap insurance.

 

[V1s1on1]

@V1s1on1: You're looking at an M3! Not the same animal. Google the EPA ratings for a 2019 G70 3.3T AWD and a 2019 BMW M340i Xdrive. It's 17/20/25 mpg for the G70 and 22/25/30 for the BMW. That's a difference of 5 across the board. They weren't using the hybrid assist on that model in 2019, which is why I'm not comparing 2022 numbers.
How much gas do you think Lane Assist uses?? We're talking about tens of watts for a feature like this. There's 765 watts in one HP. So the tech you keep referring to is only using a small fraction of one horsepower. It's NEVER going to eat up and extra 5 mpg.
Also, they're not likely to measure/quote EPA figures with the seat heaters on, and if they did, they wouldn't do it on one car and not the other.
Don't get me wrong, the G70 is a great car, which is why I own one, and it's cheaper than the German competition. But let's be honest about it's gas mileage. (And give BMW credit for making more HP with a 10% smaller engine while delivering better mileage!)

Find me a video I used that because it was a real highway mpg video. If you have a M340 video not possibly inaccurate epa marooney sticker numbers that is fine to share. For M340 in video he avg 23.5 mixed highway city without specifics of the mix. That’s 2.5 mpg difference from the G70. The 5mpg you keep saying isn’t factual for the non hybrids old m340. And I’ll disagree that ventilated seats that use the same at as ac eat that little until I hear from Hyundai themself. i just can say what we can all can say that it eats power to have that extra tech.

 

[V1s1on1]

One additional BASIC the G70 3.3t does not have auto start stop which affect city mpg. And I didn’t want that in the car anyway. They put that on the old M340 and have it on G70 2.0.

 

[Husky]

Find me a video I used that because it was a real highway mpg video. If you have a M340 video not possibly inaccurate epa marooney sticker numbers that is fine to share. For M340 in video he avg 23.5 mixed highway city without specifics of the mix. That’s 2.5 mpg difference from the G70. The 5mpg you keep saying isn’t factual for the non hybrids old m340. And I’ll disagree that ventilated seats that use the same at as ac eat that little until I hear from Hyundai themself. i just can say what we can all can say that it eats power to have that extra tech.

You are apparently immune to facts. Whatever. Believe what you want to believe. This is a waste of time.

 

[Beefer]

 

[Husky]

I need that emoji.

 

[Angela054]

No thank you for admitting your first post made no sense and wasn’t about the G70. That’s all that matters. Your driving is what you posted about the car performs normally. Just say my first post didn’t fit this thread.

I'm sensing a bit of a control issue with you- these forums are to discuss things related to Genesis and to ask questions of other owners, no? Are you saying no one has the right to ask questions about any topic unless it's favorable to Genesis? My driving has not changed from my previous car and I wanted to ask people (less sensitive than you, because you seem to be taking it as a personal attack on the G70 to post my gas mileage). It was not a question about whether you think my driving conditions are good or bad. I asked if this was normal, the answer is no. A lot of other people gave valid viewpoints without trying to ban the topic and saying posts don't make sense. I actually think your post doesn't make sense, because you're acting as if I am giving an opinion about the G70 instead of asking a question- also you're making it a hostile environment where people shouldn't ask questions because the fanboy will get offended.

 

[JSKS76]

I'm getting 14 mpg on a 2022 G70 3.3. car has about 1k miles on it. Mostly in sport mode and city driving. Is this about right?

 

[gatorG70]

Based on being in sport I would say yes. Depends on the weight and frequency of aggressive use of your right foot.

When I do errands around town in eco I’m lucky to get 18-20 mpg, but car does great when able to just cruise or on highway

 

[JCtx]

My 2022 3.3T SP should arrive next week, and I plan to drive it in sport mode all the time, like it's always the case on all my vehicles. The reason is not to drive like a maniac, but because I don't want to lug the engine. In other modes, modern cars run at almost idle, and I feel bad lugging the engine that. I don't think turbo engines are any different than NA ones, but maybe due to their lower compression, they're less prone to lugging? But on the other hand, they run with much higher pressure, due to the turbos. At any rate, I understand sport mode drinks more fuel even sedately driven (like I do most of the time), but you don't lug the engine for sure, and car responds quickly when needed, which is the main reason to use sport mode. It feels lethargic in other modes. At any rate 14 mph sounds really bad, but if you're aggressive with the throttle a little, it's probably normal. But I've read on many reviews that Genesis is at the bottom of the efficiency pile compared to its European competition, so I'm not getting high expectations for great gas mileage. Ha ha. I'm bummed that our 3.3T engine doesn't have dual injection, like the 3.5, which is newer, and more efficient. But it has been proven, so hopefully less likely to have issues. We'll see .