McLaren Senna vs 650S GT3 | Chris Harris Drives

McLaren Senna vs 650S GT3 | Chris Harris Drives


How does McLaren’s best ever track-day car compare to a proper racer? Luckily, we’ve got both on hand to find out. Time for some laps at Silverstone… Chris Harris Drives: McLaren: Drag Races: Want to watch a bit of on the internet? Welcome to the most comprehensive collection of official clips you’ll find on YouTube. Whether you’re searching for a caravan challenge, Ken Block in the Hoonicorn, cars versus fighter jets, Stig power laps or the latest Chris Harris Drives, you can find all the iconic films here. Make sure you’re subscribed to the official YouTube channel:

The McLaren Senna is
as ugly as it is fast, but how fast is it? Some people say it's as fast as a GT3 car. We just happen to have a GT3 car. Bill, where's my race suit? Now this really was just a day out
and not a scientific exercise, and it was recorded last summer
in August 2018, so apologies for the basic footage. I wanted to drive them back to back to see just how different
the supposedly best track machine was compared to a proper racing car. The Senna is spec-sheet pornography: 800 horsepower,
1,300 kilograms active aerodynamics, 750,000 pounds and a carbon tub, sub-10-second standing quarter-mile
and lap times to make a P1 look slow. The race car has just 550 horsepower, weighs a bit less than the Senna but has the benefit of wider slick tyres
and conventional care aerodynamics, and it looks miles better covered in crap
from the Spa 24 hours. I love the way you could see out
through these windows down here. I thought they were an absolute gimmick
when I saw the car being revealed, but actually, they add to this sense
of airiness. There's glass everywhere, so you have this lovely sense
of light in the cabin, which i think is great, so that McLaren Senna…
what a name, hey, Senna. It's probably the coolest name
you can apply to a car that you could use on the street. You have to be pretty sure
that you're making something that's worthy of that name. 800 horsepower under 1,200 kilograms,
so I'm told, so it's light. The numbers are staggering. I'm told it's P1 quick. I can believe it, and yet it's road-legal.
It has road-legal tyres. It has number plates. It has indicators. You could drive it to the South of France
and back. What do you think about the way it looks?
I think it looks like a dog's dinner, but then you probably didn't see
the shorts I was wearing earlier. I've got no idea about aesthetics. It could have been a bit more beautiful, but I'm told it's all about
function, aerodynamics. Well, we're at Silverstone, so let's see
what those aerodynamics are all about. First impressions: the engine mighty.
Absolutely mighty. The system's very, very helpful,
pulling big numbers down the straight. Jeepers Creepers,
brakes superb for a road car. Again, that's the best I've felt
in a road car. Superb pedal feel, massive reassurance,
but already, it's– I get this sense that it's held back
by the tyre, that little 245 front tyre.
I got understeer. Throttle out, again, just the front of
the car is washing out. Means I have to wait
to get on the throttle. I mean compared to any other road car
I've driven on a track, it's different gravy. I'll give you that.
It's just better, faster, but I don't know the expectation
is so high, isn't it, you're thinking, 'Come on'. So we're in race mode. I'm not turning
everything off, because this car belongs
to a mate of mine. I don't fancy the tyre bill,
and also it has to be representative. This is the way
people will drive these things. We're doing a track day because I'm not spending all that money,
renting a circuit and all that rubbish. This is just about getting in them,
doing a couple of laps and just confirming either way
which is quicker. The air that I may grip
for the quick stuff is mega. I mean it's unlike any road car
I've driven before. You can really lean on the car
at high speed. Interestingly, it prefers to be using
the torque of the engine. It seems to respond better
the more you use rpm. It seems to lift the front of the car
a bit, which I haven't expected.
Systems are working hard. I mean it's not a difficult car to drive,
but it is… You're busy making
little alterations and corrections, just needling it around a bit. Braking is absolutely superb, and the braking stability, the way
that you can use steering angle and stop at the same time is, again,
not like any road car I've driven. Let's see what it's like out here. Traction's good a little bit of a spoon
up there into fourth gear through wood. I'm staying flat.
It wants to run all the way out. What's it doing now? One five something.
That's beyond the race car at Blancpain. Now, yeah, I've got some understeer there. It was just a little bit understeery
on the way out there, and the high-speed stuff here,
yeah, look at that, just staying pinned in fifth,
125 miles an hour. There aren't many road cars
that can do that. Yeah, so in many ways,
I think it's a triumph, but then there is this claim, there is this it's as quick as
a GT3 car thing. I'm not sure it is. It's a fast car, but I'm surprised at how
limited it is by its front axle grip. I didn't expect so much understeer,
I really didn't. I thought it would be better than that
in that respect, so, I don't know… Maybe it just needs a different tyre
or something, but… Thirty-two four five at the front,
so it's lacking some size in that area. Yes, it's mighty. It's absolutely mighty. But I just expected a bit more
from the front axle. That sounds like the meanest thing
anyone's ever said, but… the rest of the cars so impressive. That's the one aspect that does… It's highlighted by the car's brilliance
in other areas, really. Enjoy the Balaclava look. So I can have a quick go in this car. This isn't the race car I drive.
This is a sister car, because our car doesn't look so pretty
after Spa, so go out, make sure the seat fits, pop some tyres on it
and then we'll go and do a lap time. It's simple. There are no data or nothing.
Lap time. I want to know whether McLaren's claim
of the Senna being as far as the GT3 car is true or not. Senna then. If you want to find out whether
the Senna is quicker than a GT3 car, you need to drive a GT3 car. It just so happens that I've been racing
one this year. This is the 650s GT3. Carbon top. It's the McLaren's staple
but in racing form. So it's the Senna really a racing car
with number plates? Well, from the off, it just isn't. There's a directness to this vehicle.
There's no rubber in the suspension. The steering. Everything about the car
is more direct than the Senna. It's flatter. It's more planted.
Its brakes are much stronger. I mean the Senna's brakes
for a road car are superb, but these are, they're different gravy. It doesn't have the ultimate power of
the Senna, but it comes out of corners
so much quicker, and immediately through comps, I'm going
15 miles and hour faster. I got no understeer, relatively compared
to the Senna. So, yeah, immediately, it's the front axle
on both that are so different. I can lean on this
because of the slick tyre and just the width of the tyre in a way
that I just can't in the street car. I love racing this thing.
It is such a fun car to drive. Yeah, it doesn't have the grunt
of the Senna, but I can brake later everywhere, because I just got more purchase
on the track. I've got a wider front tyre,
and it's slick. Systems aren't as intrusive either. Whoa. Let's try this with the quick stuff. So fifth gear on entry, come down
to fourth, throw it over the curb and already now on flat top,
that's full power. Through the left, it's absolutely flat. A little grip on the steering there
as it moved a bit, but really, yeah, it doesn't have
the crazy moving rear wing, but it generates a lot more downforce. The GT3 car really is quite a machine. It's so efficient through the air
and through fast corners. Good old-fashioned pneumatically actuated. A manual vehicle.
It's effectively really fast. So I suppose it really remains to be seen
which one really is quicker. I mean, I know what my money's on, but is there only one way to find out? Yup. It's all about that front axle
for me. Yes, I've got more traction
because of the slick, but the front of the car is just there.. in a way that it isn't in the center.
I like this car. I really do. So, a pretty unspecial time by me. But it was one lap challenge
and I'm old and I'm chubby. Next up, the Senna,
which won't do many laps at a time because it's fuel tank is so small. So the Senna is miles slower
than a GT3 car, nearly seven seconds adrift
round Silverstone, and after the race car,
it just feels flappy and unconnected. And if that seems
like an unfair comparison, well, it probably is. The Senna has aircon, and it will do
the shopping, but it's not remotely pleasant
on the road, so most people will just track them. For the price of a Senna,
you could buy a GT3 car and do ten track days a year. Now I'll tell you what.
I know what I'd rather drive.

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