Porsche 911 Carrera S as a motorway cruiser

raptor2004

Herzlos said:

raptor2004 said:

Goudy said:

raptor2004 said:

On my way home I filled up but only getting 25 mpg doing 60 mph?! Is this normal?

Yes, that's about right.
Think high teens for town and mid 20's for the motorway and if you really nurse it on the cruise you might see 30+ mpg (if you can nurse it long enough to get the average up).

I'll echo some other posters and wish you good luck with it.
By the sounds of the flaky service history, it's been out of specialist or dealer hands for a while but you could with some investment get it back on track.

Doing this should help protect it's value but I have no doubt that sending it to a specialist to do this is going to cost.

I also wouldn't chance those tyres, it's Michelin Pilot Super Sports or nothing on one of these.
Most owners from new couldn't get rid of the OEM Pirelli's fast enough, god knows what it'd be like on mid range tyres, let alone budget ones.
Good chance they won't last long anyway, what with all the weight and power over the back axle, chances are it's false economy.

I am a bit disappointed because the official MPG figures are:
Urban 25.20 mpg
Extra Urban 43.50 mpg

Combined 34.40 mpg

I understand its a 11 year old car so may not achieve 43.5 mpg on a motorway but I would expect mid-high 30s at the very least, especially doing 60 mph.

I have used budget tires for a while now and found they last longer than premium tires.

Yeah, there's no chance you're getting that unless you drive to the test cycle, and you won't. It's "getting overtaken by tractors" slow. You might get your 43.5mpg doing a constant 40-50mph on a good day.

I couldn't get 30mpg out of a 2.5l so I don't imagine you'll do much better with a 3.8l.

But what made you think you'd actually get 40mpg? Have you heard of any owners getting close to that? Did any of your previous cars get close to the manufacturers figures? Did you do any research?

A good rule of thumb I've  had is to just stick to the urban figure, 25mpg, which is pretty much what you get. The extra-urban is fantasy.

The reason your cheap tyres lasted longer is because they have a harder compound, which means less grip.

It's not a big deal in, say, a 60bhp front wheel drive Yaris, because even if you manage to lose grip you'll understeer. It's a big deal in a 400bhp rear wheel drive Porsche, because giving it a blip too much power on a greasy roundabout on cheap tyres will make it spin.

You said you spent £40k on this car, so why risk cheaping out on tyres? Why are you so obsessed with fuel economy? Are you doing a lot of miles?

I do about 8-10k miles in a year. Want to minimise costs as much as possible, just did an oil change this morning that only cost £160, the service schedule says once every 20,000 miles or 2 years so should be good for another 2 years.

Goudy

raptor2004 said:

I am a bit disappointed because the official MPG figures are:
Urban 25.20 mpg
Extra Urban 43.50 mpg

Combined 34.40 mpg

You know, I couldn't get those figures from a 1400cc!

My Abarth did around 18 mpg in the city and around 40mpg (and I really had to try hard for that) on a motorway cruise, all on super unleaded.

At least you have the convenience of a 64 litre tank.
The Abarth only has 35 litres, enough to get you to the shops (but not back again).  

Tucosalamanca

raptor2004 said:

Herzlos said:

raptor2004 said:

Goudy said:

raptor2004 said:

On my way home I filled up but only getting 25 mpg doing 60 mph?! Is this normal?

Yes, that's about right.
Think high teens for town and mid 20's for the motorway and if you really nurse it on the cruise you might see 30+ mpg (if you can nurse it long enough to get the average up).

I'll echo some other posters and wish you good luck with it.
By the sounds of the flaky service history, it's been out of specialist or dealer hands for a while but you could with some investment get it back on track.

Doing this should help protect it's value but I have no doubt that sending it to a specialist to do this is going to cost.

I also wouldn't chance those tyres, it's Michelin Pilot Super Sports or nothing on one of these.
Most owners from new couldn't get rid of the OEM Pirelli's fast enough, god knows what it'd be like on mid range tyres, let alone budget ones.
Good chance they won't last long anyway, what with all the weight and power over the back axle, chances are it's false economy.

I am a bit disappointed because the official MPG figures are:
Urban 25.20 mpg
Extra Urban 43.50 mpg

Combined 34.40 mpg

I understand its a 11 year old car so may not achieve 43.5 mpg on a motorway but I would expect mid-high 30s at the very least, especially doing 60 mph.

I have used budget tires for a while now and found they last longer than premium tires.

Yeah, there's no chance you're getting that unless you drive to the test cycle, and you won't. It's "getting overtaken by tractors" slow. You might get your 43.5mpg doing a constant 40-50mph on a good day.

I couldn't get 30mpg out of a 2.5l so I don't imagine you'll do much better with a 3.8l.

But what made you think you'd actually get 40mpg? Have you heard of any owners getting close to that? Did any of your previous cars get close to the manufacturers figures? Did you do any research?

A good rule of thumb I've  had is to just stick to the urban figure, 25mpg, which is pretty much what you get. The extra-urban is fantasy.

The reason your cheap tyres lasted longer is because they have a harder compound, which means less grip.

It's not a big deal in, say, a 60bhp front wheel drive Yaris, because even if you manage to lose grip you'll understeer. It's a big deal in a 400bhp rear wheel drive Porsche, because giving it a blip too much power on a greasy roundabout on cheap tyres will make it spin.

You said you spent £40k on this car, so why risk cheaping out on tyres? Why are you so obsessed with fuel economy? Are you doing a lot of miles?

I do about 8-10k miles in a year. Want to minimise costs as much as possible, just did an oil change this morning that only cost £160, the service schedule says once every 20,000 miles or 2 years so should be good for another 2 years.

That's handy. It'll leave funds for the PDK service that's due next year (every six years, so a 2012 model would be due for its second change in 2024)

raptor2004

How much is the PDK service? I won't be keeping the car long maybe 2 years tops so I can leave that one out

Herzlos

Did it get the PDK service done before or is it now 5 years overdue?

Wonka_2

raptor2004 said:

How much is the PDK service? I won't be keeping the car long maybe 2 years tops so I can leave that one out

No you can’t - because if you don’t have it done then any buyer will reduce their price by the (significant) cost of the PDK service. That’s assuming it’s been done recently and, if not, the box doesn’t blow in your ownership, in which case you’re in for somewhere close to the £10k you were looking to spend on a car depending on what else it damages as it implodes 

Wonka_2

raptor2004 said:

Herzlos said:

raptor2004 said:

Goudy said:

raptor2004 said:

On my way home I filled up but only getting 25 mpg doing 60 mph?! Is this normal?

Yes, that's about right.
Think high teens for town and mid 20's for the motorway and if you really nurse it on the cruise you might see 30+ mpg (if you can nurse it long enough to get the average up).

I'll echo some other posters and wish you good luck with it.
By the sounds of the flaky service history, it's been out of specialist or dealer hands for a while but you could with some investment get it back on track.

Doing this should help protect it's value but I have no doubt that sending it to a specialist to do this is going to cost.

I also wouldn't chance those tyres, it's Michelin Pilot Super Sports or nothing on one of these.
Most owners from new couldn't get rid of the OEM Pirelli's fast enough, god knows what it'd be like on mid range tyres, let alone budget ones.
Good chance they won't last long anyway, what with all the weight and power over the back axle, chances are it's false economy.

I am a bit disappointed because the official MPG figures are:
Urban 25.20 mpg
Extra Urban 43.50 mpg

Combined 34.40 mpg

I understand its a 11 year old car so may not achieve 43.5 mpg on a motorway but I would expect mid-high 30s at the very least, especially doing 60 mph.

I have used budget tires for a while now and found they last longer than premium tires.

Yeah, there's no chance you're getting that unless you drive to the test cycle, and you won't. It's "getting overtaken by tractors" slow. You might get your 43.5mpg doing a constant 40-50mph on a good day.

I couldn't get 30mpg out of a 2.5l so I don't imagine you'll do much better with a 3.8l.

But what made you think you'd actually get 40mpg? Have you heard of any owners getting close to that? Did any of your previous cars get close to the manufacturers figures? Did you do any research?

A good rule of thumb I've  had is to just stick to the urban figure, 25mpg, which is pretty much what you get. The extra-urban is fantasy.

The reason your cheap tyres lasted longer is because they have a harder compound, which means less grip.

It's not a big deal in, say, a 60bhp front wheel drive Yaris, because even if you manage to lose grip you'll understeer. It's a big deal in a 400bhp rear wheel drive Porsche, because giving it a blip too much power on a greasy roundabout on cheap tyres will make it spin.

You said you spent £40k on this car, so why risk cheaping out on tyres? Why are you so obsessed with fuel economy? Are you doing a lot of miles?

I do about 8-10k miles in a year. Want to minimise costs as much as possible, just did an oil change this morning that only cost £160, the service schedule says once every 20,000 miles or 2 years so should be good for another 2 years.

Please tell me your local independent hasn’t told you that a £160 oil change is a 2yr ‘service’ - depending on history you’re looking at 5x that value before you start talking about tyres/brakes etc 

all for the sake of a chrono dial that you don’t know what it does

But for my privacy morals I’d be sharing on the Porsche pages for the !!!!!! and giggles 

Herzlos

Wonka_2 said:

raptor2004 said:

How much is the PDK service? I won't be keeping the car long maybe 2 years tops so I can leave that one out

No you can’t - because if you don’t have it done then any buyer will reduce their price by the (significant) cost of the PDK service. That’s assuming it’s been done recently and, if not, the box doesn’t blow in your ownership, in which case you’re in for somewhere close to the £10k you were looking to spend on a car depending on what else it damages as it implodes 

It's already got a missed service apparently, so no serious buyer is going to be wanting to touch it.

Grumpy_chap

raptor2004 said:

I do about 8-10k miles in a year. Want to minimise costs as much as possible

A £40k car is not "minimise costs as much as possible"

Cheap tyres on an expensive high powered sports car is not "minimise costs as much as possible".  It is "dead in a ditch as soon as possible". 
Maybe, inline with the "minimise costs as much as possible" you should look to a budget will-writing service as those tyres won't be leaving you needing anything else for long.

I really cannot believe I have had to write this, given my past defence of cheap tyres, but this combination is totally absurd.

Do let me know what the chrono thing does if you find out before finding the ditch.

Herzlos

Is it this one that's still for sale? https://www.autotrader.co.uk/car-details/202306148534167