Currently reading: 50 years later: Vauxhall Astra meets Victor at Millbrook
How far have cars progressed since the first was signed off at Britain’s top testing facility?

Millbrook Proving Ground, one of the UK’s premier car testing sites, very nearly wasn’t in Millbrook. In the 1960s, Vauxhall’s owner, General Motors, wanted a vehicle testing facility in the UK, inspired by its historic Milford proving ground in America, right down to a similar mix of flat tracks and hills: 600 flat acres, 200 hilly ones. Vauxhall searched long and hard and found only three really suitable locations, two of which were in Wales and one in Scotland. Air-freighting cars to Scotland was thought too much of a faff, so one of the Welsh sites was selected. Until, that is, during detail planning, two farms came up for sale next to each other about five miles south of Bedford, between the villages of Millbrook and Marston Moretaine.

It was bigger than Vauxhall needed and two million tonnes of earth would need moving to sculpt the hills exactly to shape, but it was also just up the road from Vauxhall’s headquarters in Luton. Work started in 1968 and in 1970 – 50 years ago – the GM-owned Millbrook Proving Ground opened.

The early-1970s Victor FE that you see here was one of the first Vauxhalls developed at the site. The other car is the current Astra, one of the very latest Vauxhalls to have graduated from Millbrook. Which, via being a subsidiary of GM-owned Lotus in the 1980s and then a part of GM Holdings, is today a fully independent business with subsidiaries of its own – the frozen Test World winter-testing centre in Finland and Leyland Technical Centre in Lancashire.

19 Millbrook hill route

While neither Millbrook nor Vauxhall is owned by GM any more, the German engineers from Opel/Vauxhall used to like fine-tuning ride and handling in the UK and until recently kept a unit at Millbrook for the purpose.

How far have the cars developed at Millbrook come in the past half-century? It has been a while since I drove a near-50-year-old car (my own doesn’t work), but Autocar road tested this mechanical specification of Victor in period, with ‘fifth wheel’ timing gear strapped to the back for obtaining performance figures.

This saloon is a 2300, meaning it has a four-cylinder 2.3-litre petrol engine driving its back wheels through a four-speed manual gearbox. Peak power is 100bhp at 5200rpm, but it’s quite a lazy unit, with 138lb ft of torque from just 3000rpm.

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A big family car of the time, it’s 4.54m long, 1.69m wide and has a 2.67m wheelbase. As tested, it weighed 1344kg.

Today’s Astra – a small family hatchback – has an engine barely half that capacity and shorn of one cylinder. But the 1.2-litre triple makes 143bhp at 5500rpm and a fulsome 166lb ft at 2000-3500rpm, owing to a turbocharger that gets going early in the rev range. It too has a manual gearbox – although of six speeds – and drives the front wheels, as has largely become the norm for all but executive and sports cars.

Perhaps surprisingly, given that cars have tended to become bigger, the Astra, which technically sits in a lower class than the Victor, is notably shorter, at 4.37m, although with a similar 2.66m wheelbase. It’s wider, mind you, at 1.81m, which is no great surprise, considering modern safety demands. It’s claimed to be lighter, at 1280kg, but I suspect there isn’t much in it once the cars are laden.

14 Vauxhall victor rear

The bigger numerical differences, then, come in the powertrain. The Victor, in its 20 April 1972 Autocar road test, managed to get from 0-60mph in 12.4sec, although these things aren’t totally representative, because that car was fitted with the optional three-speed automatic gearbox, not the standard manual.

We don’t have any as-tested figures for the latest Astra, but we don’t usually have difficulty hitting Vauxhall’s claims, either – a 0-62mph time of 8.8sec (call it 0-60mph in 8.5sec) is a 30% improvement in acceleration, with an engine half the size and the wrong driven wheels for a quick getaway.

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It’s also vastly less consumptive. While we have trouble meeting most official fuel economy figures, the Astra in our experience will approach 50mpg in mixed driving. The Victor returned an average of 21.6mpg on test.

When we last road tested an Astra, it stopped from 30mph in 8.2m, while the Victor wanted an additional 1.5m – 18% more road – to stop. Although retardation of 0.95g is pretty good going for the old-stager.

The differences feel more marked when you drive the pair. Most of Millbrook’s roads and tracks still follow their original layout, inspired by the Milford facility. Arranging them was “like trying to follow a recipe”, according to John Wathew, who was the Vauxhall engineer put in charge of designing the layout at the time. Most notably, there’s a mile-long straight with both a short and a now rarely used longer approach road (for if you want a higher starting speed), plus a high-speed circular banked circuit with five lanes of differing neutral-steer speeds, on which Millbrook modestly claims speeds in excess of 150mph are possible (Autocar contributor Colin Goodwin once lapped it at 180mph in a Jaguar XJ220). Then there’s a short handling circuit and, perhaps best known of all, the Hill Route (aka the Alpine test track): more than four miles of hills with gradients from 6.5% to 26%. It’s still my favourite test route in the country.

16 Vauxhall astra side

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I drive the Victor around them first. The initial differences between an old car and a new one are how airy old cars are. That’s because you wouldn’t want to crash one, I suppose. But the fact that there’s wood and blue carpets and velour and chrome is quite cool. Dated, obviously, but so too would be a 50-year-old suit or a 1970s living room. At least there’s a bit of character to it.

The engine, when it can be persuaded to start, is refined enough and the gearshift is genuinely good. But it’s noisy. Road noise, wind noise, engine noise: you name it, it has it. And although a 70mph cruise is possible, the Victor prefers 60mph. Its performance reminds you of a time when gravity was your friend.

Around the concrete inner handling circuit, whose sharp road edges and gravel always worry me, it’s a physical experience – the unassisted steering is nearly four turns lock-to-lock and I find myself shifting around on the broad seats as roll slowly sets in and the looseness of body control makes me fear the Victor will bottom out through the dips. But the tyres manage to squeal enthusiastically for the cameras and ultimately there’s reasonable grip.

Swapping to the Astra, though, shows you just how far things have come – and mostly for the better. Refinement levels are sky high compared with the Victor, with much reduced wind and engine noise and only a little road roar. But what’s most notable is how little effort today’s car takes; control weights have been refined and moderated, with assisted steering way more responsive and the modern car rolling far less and turning more willingly yet also proving more stable at speeds, which in turn it holds much more easily.

Old cars are lovely, but the new Astra makes the Victor feel like a pram in dynamic terms.

15 Vauxhall astra front

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You could argue, so I will, that the new car has a less characterful interior. It’s pretty austere and dark, and there are more than 40 buttons in there. But it’s also far more sculpted and infinitely more accurately finished.

There is a sense of continuity, though. The two cars do the same thing (both are better than walking), it’s just that one is rather better at it than another. The basics – four wheels, a seat – stay the same.

Away from the tracks, I park the Astra near Millbrook’s offices and laboratories. There are rather more of those now than there used to be, too, up to and including facilities for autonomous and connected cars and a testing centre for electric vehicle batteries. As with the cars, the basics stay the same, but it just gets better.

Making Millbrook

Milford Proving Ground opened in 1924 and in the mid-1960s GM wanted a UK facility built to a very similar standard. Vauxhall engineer John Wathew, tasked with leading the layout, eventually found two farms for sale near Millbrook. “The acreage was in excess of what we required, it had the adjacent hills and there was enough flat land,” he says. “There were a few issues that had to be scheduled into the building programme but otherwise it seemed perfect. We originally decided to call it Lidlington Proving Ground, rather than Millbrook, to avoid confusion with Milford.”

“It was basically farmland with a winding road going through it. Even now, there are parts of the tracks that are still on that old road,” he adds. “All the surfaces that I created were inspired by Milford. It was like trying to follow a recipe. There were even exact gradients they wanted on the Hill Route, which had to be built in to the plan. I was told that, at the time of building, it was the biggest earth-moving job in the country.”

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Matt Prior

Matt Prior
Title: Editor-at-large

Matt is Autocar’s lead features writer and presenter, is the main face of Autocar’s YouTube channel, presents the My Week In Cars podcast and has written his weekly column, Tester’s Notes, since 2013.

Matt is an automotive engineer who has been writing and talking about cars since 1997. He joined Autocar in 2005 as deputy road test editor, prior to which he was road test editor and world rally editor for Channel 4’s automotive website, 4Car. 

Into all things engineering and automotive from any era, Matt is as comfortable regularly contributing to sibling titles Move Electric and Classic & Sports Car as he is writing for Autocar. He has a racing licence, and some malfunctioning classic cars and motorbikes. 

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Rollocks 30 November 2020

The venerable Victor most definitely wasn't a "big family car" ... its 4.54m length equates to less than 14ft 11in, putting it firmly in the same medium-sized sector as the Cortina. Vauxhall's large car half a century ago was the Cresta PC; my brother owned a gorgeous maroon one in the late '80s. Sadly its 3.3 litre straight six proved too much for the twisty lanes of Somerset and he wrote the car off in a messy confrontation with a stone gatepost.

And who, except an ill-informed Autocar hack, could be "surprised" that the little Astra is shorter than a medium-sized car? Duh!

Adialfa 28 November 2020
Ok, for a start this is an FE Victor, 1975 by the looks of it, if you can't be factual and truthful what is the point of the article, 50 years ago was the FD Victor, several years before the 2.3 slant four engine was produced, the engine in a 50 year old FD Victor would of been either a 1.6 or a 2.0, stop making up rubbish and lies to deceive the younger generation because you'll get caught out
4rephill 28 November 2020
It maybe due to my age (I'm old enough to remember when Victor's were simply everyday cars), and a big dose of nostalgia, but with time (and rarity due to the ravages of time on ordinary cars from this era), the Victor has a coolness about it that I can't see today's Astra ever having!

(In the same way, Ford's Consul/MK1 Granada is a car that now enjoys a coolness that today's Mondeo will never have).

For those of us from certain generations of the past, we see a Victor or Consul/Granada in modern traffic, and chances are, we'll stare more than if it was a modern 911!

Turn up to a party in a Victor/Consul/Granada and people will be impressed (in part that it actually made it!), but brace yourself for the words of Princess Leia: "You came in that thing?.....You're braver than I thought!"

Were they great cars: "back in the day"? - No, not really. The great thing is though, you don't have to be great, to be cool!