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Any - Sunroofs - V4 Heaven
“Back in the day” sunroofs used to retract inside the car’s roof space.

Many modern cars now have them retracing externally to the vehicle shell.

Does anyone know of any reasons for this? Is it for aerodynamic/efficiency reasons or just for show?
Any - Sunroofs - Falkirk Bairn

Internal sunroofs reduce the height available to occupants.

Any - Sunroofs - Andrew-T

Internal sunroofs reduce the height available to occupants.

... and may be harder to make watertight ?

Any - Sunroofs - Smileyman

perhaps to enable the sunroof to offer larger opening?

Any - Sunroofs - daveyjp

On most vehicles a sunroof is an optional extra.

It will be far cheaper to fit one which goes over than to design and manufacture a body shell with a roof void for a sunroof when so few buyers will opt for one.

On my car the sunroof is standard fit so the car is designed to accommodate a roof which is hidden when fully open and it is almost half the length of the roof.

Any - Sunroofs - concrete

It doesn't matter how they operate I personally would not have one free of charge. I had two cars previously that came with the sunroof as standard. Both electrically operated. Had real problems with both and they were both the internal type. Not worth the candle. Hopeless and noisy at decent speeds. Sunburn problems on very sunny days. Just an all round toothache if they leak or the motor jams when they are open or the electronics go walkabout. Spend your money on climate control instead or other more useful fittings.

Cheers Concrete

Any - Sunroofs - Alby Back
I love having a sunroof. Makes even a boring journey enjoyable by being able to see and feel the elements. Even on a cold day, if it's dry and sunny, it's so nice to feel more in touch with the outdoors than to be cooped up in a closed cabin with processed air for hours.
Any - Sunroofs - gordonbennet

Present Forester the first car for ages without a sunroof, and SWMBO surprised me by saying how much she missed it.

I am not a great fan of aircon, much prefer the feel of real air.

Any - Sunroofs - Alby Back
Yep, me too, I drove from Somerset to Cheshire one evening last week ( on one of those days when the weather was temporarily good ) with the sunroof open all the way and some Mozart playing in the background. Made that slog up the M5/M6 almost tolerable. The pano roof on my Merc seems to be OK for noise unless you are up into licence burning speeds.
Any - Sunroofs - corax

Present Forester the first car for ages without a sunroof, and SWMBO surprised me by saying how much she missed it.

On the other hand my Forester has a full length electric sunroof and I never use it :-)

Tried it once and it was good I have to admit, but after all the grief I've heard over the years I worry about the thing jamming mid way just before a rain storm. In really hot weather it would frazzle the top of my thinning bonce.

I can see that they would be particularly useful if you had a dark and gloomy interior. Slide back the internal cover to brighten it up.

Edited by corax on 27/04/2018 at 12:02

Any - Sunroofs - focussed

It doesn't matter how they operate I personally would not have one free of charge. I had two cars previously that came with the sunroof as standard. Both electrically operated. Had real problems with both and they were both the internal type. Not worth the candle. Hopeless and noisy at decent speeds. Sunburn problems on very sunny days. Just an all round toothache if they leak or the motor jams when they are open or the electronics go walkabout. Spend your money on climate control instead or other more useful fittings.

Cheers Concrete

My opinion exactly - every car I've ever had with a sunroof has had a problem with the damn things. From won't close properly on a Volvo to uncommanded opening when rain gets in the electronics on a Citroen. No advantage to having one, the ventilation systems on current cars are more than capable of keeping you cool and fresh without the noise and turbulence of a sunroof. And your heating and ventilating system delivers filtered air too.

Any - Sunroofs - madf

I have had sunroofs on and off since 1968 when I bought a 1946 Rover 16 up to and including our 2003 Yaris. All have worked perfectly, requiring only the odd spray of silicon fluid every 10 years or so to prevent sticking on the runners . No leaks , no jams, nothing. (I am fairly mechaniclaly sensitive so maybe that helps).

I am now indifferent as to whether I have one or not - the few opportunities due to weather are offset by noise at speed so rarely used.Aircon for me.

As for problems with Citroen electronics... well I am surprised (not)..

Edited by madf on 27/04/2018 at 11:15

Any - Sunroofs - Manatee

Never had a problem with a proper sun roof (sliding, factory type). Not had one of the roll back Webasto type though, or one of those aftermarket pop-up type that seem often to leak.

Neither have I had one of the enormous moon roof things. I know a couple of people who have had those shatter, apparently spontaneously.

The factory sliding ones don't usually attempt to seal agianst water ingress, rather they drain down the roof pillars, so they can "leak" when the drains block and the drain channel overflows.

My present car is the first I have bought for a while without one. But I do have a convertible too. Oddly that is more fun when it's cool - burning sunshine and high temperatures are just too much for me. Nice actually on those cold but sunny spring days, with the heater on full and the roof down.

Any - Sunroofs - badbusdriver

I must admit i do like a sunroof. To the point that i had been seriously considering a top of the range Hyundai i10, which has one as standard, as our next car. The Wife decided it was too small though, so we got the Jazz.

From 1990-1995 i worked at a Saab dealership in Aberdeen and while many of the cars had sunroofs, the only ones i remember causing problems were the after market pop up glass ones. The factory sunroofs, both manual and electric, as far as i can recall, worked fine. Back in the day i did have a couple of old 900's with a manual sunroof. Unless it was raining, they were always open!.

Any - Sunroofs - Andrew-T

Never had a problem with a proper sun roof (sliding, factory type). Not had one of the roll back Webasto type though, or one of those aftermarket pop-up type that seem often to leak.

The factory sliding ones don't usually attempt to seal agianst water ingress, rather they drain down the roof pillars, so they can "leak" when the drains block and the drain channel overflows.

I've had some 205s with the factory-fit sliding sunroof - I have one now. All have worked OK, but there can be a lot of wind noise, and you do need to keep the drain tubes clear. I guess they could be awkward if the vacuum seal gives up ...

Any - Sunroofs - TheGentlemanThug

My 2006 Accord had a sunroof that retracted internally and I have to admit, I quite liked it, despite the odd rattle. I wouldn't buy one as an optional extra mind you; better things to spend that money on.

I wouldn't be surprised if externally-retracting sunroofs are there simply because it's easier to manufacture.

Edited by Bicycle_Repair_Man on 27/04/2018 at 13:52

Any - Sunroofs - Engineer Andy

As my current car has climate-controlled A/C, I have no need for a sunroof. Admitedly back in the day, when I owned a Nissan Micra with no A/C (no electric windows too), it was a selling point when I bought it, because the model with the A/C was a lot more expensive.

Fortunately, my Micra was well designed so that I had options that didn't result in me getting sunburn or cr@pped on by birds. It was a manual 'tilt and slide' unit with a retractable turning handle; the glass itself was covered (on the inside) with a black mesh coating to reduce the light level, and the unit had a retractable, thick louvred screen so that the sunroof could be open to help ventilate the car without having the sun on the occupants. It could be tilted up in 5sec or fully opened in 10 - handy if it started to rain.

A very neat and simple design. No problems with it at all, even at 10yo.

Very nice at ventilating the car on a hot day if used in conjunction with the fan and rear quarterlight openings (it was a 3dr version with no rear opening windows) without introducing more heat via an unshaded roof.