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History of the Volvo 5 Cylinder: Part 2

The 5 cylinder engine is a symbol of Volvo's past, but car makers started their iterations of this historically significant engine as early as the 1930s.

850 Resize

The inline 5 (I5) cylinder engine has come to be a symbol of Volvo’s recent past. But did you know that manufacturers started whipping up first iterations of this quirky engine as early as the 1930s?

While in the US we gave up on the 5 cylinder, the story’s a bit different in Europe, where it flourished. Over the last 90 years, the I5’s been used in everything from WW2 military vehicles, sedans, and sports cars, to our modern SUVs and trucks.

Let’s look at the early history of this iconic engine and exactly how – and when – Volvo joined the party.

The Earliest 5 Cylinders: Ford and Lancia

Lancia 3ro Resize

Lancia 3Ro – the first production 5-cylinder engine

The earliest known 5-cylinder comes from Henry Ford himself (p.64). Ford was famous for near-constant experimenting when he was leader of the Ford Motor Company and many of his ideas, including the 5-cylinder, never left the design table. He experimented with V10s, X-8s (yes, an 8-cylinder engine shaped like an X, with 2 cylinders on each end), opposed cylinder engines, and of course, the 5 cylinder.

The larger designs were meant to compete with the new 6-cylinder engines from competing companies like Chevy, but that wasn’t the vision for the 5 cylinder.

Ford developed the I5 in the late 1930s and early 1940s and, like Volvo some 50 years later, Ford saw the 5 cylinder as an option for a smaller economy car. Indeed, the engine they produced clocked in at just under 2.5 liters and produced a meager 50 to 60 HP.

In the end, Ford simply couldn’t shave enough cost off manufacturing to make a smaller economy car an affordable option and the 5-cylinder was scrapped.

The first production 5 cylinder, on the other hand, came from Italian manufacturer Lancia.

The first production 5 cylinder, on the other hand, came from Italian manufacturer Lancia. In the late 1930s, Italy (and the rest of Europe) were embroiled in WW2 and Lancia was manufacturing a line of transport trucks for the Italian Army.

The manufacturer equipped the first model, known as the Ro, with a petite 2 cylinder diesel engine. After a few years, they tacked on an additional cylinder (lovingly known as the Ro-Ro), until finally bringing it up to the 5 cylinder (the 3Ro) – the first production 5 cylinder (though it was diesel).

Mercedes Steps Up to the Plate

The first true step towards a 5 cylinder passenger vehicle came 35 years after Lancia’s 3Ro.

In 1974, Mercedes introduced their new 3 liter 5-cylinder diesel (known as the OM617), which first saw action with the 240D and now-famous 300D. While not sporty by any means – accelerating from 0 to 60 in 17 seconds – the OM617 is downright reliable, with many 300Ds clocking in over 500,000 miles. Some enthusiasts have even claimed the OM617 as the most reliable engine ever – period!

However, before the 300D became so famous in the 1980s, Mercedes wasn’t alone with a production 5 cylinder.

The First Gas-Powered 5 Cylinder

Audi100 Resize

1976 Audi 100

We’re all likely aware of Audi’s connection to the 5-cylinder and motorsports, most notably as a rally car in the early ’80s, but also through successes in hill climbing Pikes Peak and other US-based racing.

In 1976, Audi introduced the first gas-powered production 5 cylinder for the Audi 100. With the larger engine, the car was considered a step up from Audi’s previous models, though with the 2.1 liter engine producing 136HP it wasn’t up to racing-status quite yet.

Like Volvo, Audi will always be permanently connected to the 5 cylinder, thanks to their huge showing in motorsports

Fast forward to 1980 and Audi has introduced the Quattro, featuring a turbocharged 5 cylinder engine and permanent 4-wheel drive. Clocking in at 200HP, Audi soon entered the Quattro in rally races. Throughout the early ’80s, Like Volvo, Audi will always be permanently connected to the 5 cylinder, thanks to their huge showing in motorsports, especially Group B rallying in the early 1980s. Throughout the 80s, Audi continually updated the Quattro and eventually took home 23 world championships.

Volvo Joins the Party

Volvo 5 Cylinder Engine

Volvo added a turbo to the 5 cylinder for the 1995 850 T5-R

While Volvo only introduced its first 5 cylinder, the Volvo 850, in 1991 – much later than Audi – the actual development of the 5 cylinder started way back in 1978, just two years after their rival introduced the 5 cylinder Audi 100.

In the late ’70s, Volvo wanted to jumpstart their move towards a more modern automobile. They created a new special project dubbed the Galaxy Project, as they were – in their own words – ‘aiming for the stars’ by creating something completely new. Indeed, the project encompassed new ideas everywhere: new body styles, new materials, new safety components and, of course, new engines. It was a long-term investment, with an economic, future-forward car as the ultimate goal.

Over the next 10 years or so, Volvo poured huge amounts of money into Project Galaxy and it eventually ended up becoming the most expensive project Volvo had ever taken on at the time. However, their push into the future eventually birthed two new cars, the Volvo 480 and the 850, the latter of which would go on to define Volvo for a decade or more.

Project Galaxy eventually ended up becoming the most expensive project Volvo had ever taken on at the time. However, their push into the future eventually birthed two new cars, the Volvo 480 and the 850, the latter of which would go on to define Volvo for a decade or more.

The 480 was built in Volvo’s Dutch manufacturing plant from 1986 to 1995. It was the first front-wheel drive vehicle Volvo had ever produced – one of the major goals of Project Galaxy – but the differences didn’t stop there. The 3-door hatchback was a stark right turn to Volvo’s traditional vehicles, with the FWD, low ground clearance, and sleek design (pop up headlights!) aimed at a younger audience. The 480 also enjoyed design elements that we’d later see in the Volvo C30 – most notably the full-glass back hatch.

Unlike the 480, Volvo built the 850 in Sweden. Introduced in 1991, a full 13 years after Project Galaxy first started, the 850 sported many of the ideas Volvo envisioned for the project. First off, the drivetrain was completely front-wheel drive with the engine transversely mounted in the engine bay, a major change for Volvo, but necessary to keep up with other manufacturers that had already switched over.

To keep everything as light as possible, the entire engine block was composed of aluminum, as opposed to heavier cast iron. The 850 also included Volvo’s new SIPS (Side Impact Protection System).

And of course, the 850 also included Volvo’s very first 5 cylinder engine. Why did they choose a 5-cylinder instead of a 4 or even 6?

First off, we can only imagine that, with Audi seeing huge successes with their own I5, Volvo – as well as other manufacturers – were already somewhat open to the idea of a new 5 cylinder engine.

From the very beginning, one of Project Galaxy’s goals was the Modular Engine – an engine design that could easily be converted to a 4, 5, or 6 cylinder with little extra design and production changes, allowing Volvo to produce a variety of engines for less time and money.

During the early years of Project Galaxy, the development group initially developed their transverse engine as a 4 cylinder, with 5 and 6 cylinder models as secondary options. When it came time to test the engines though, Volvo’s engineers loved the 5 cylinder’s performance so much they decided to focus in on this oddball engine, with the 4 and 6 cylinders eventually falling to the wayside.

Keep in mind that the Volvo 850 wasn’t actually the first to feature their modular engine. That honor goes to the Volvo 960 and its I4 engine [In dispute. See this.]. However, the 850 was the first to feature the 5 cylinder version. The modular engine eventually became a mainstay of Volvo automobiles, with the manufacturer using the design all the way up to 2016 in the Volvo XC60, XC70, S60, and V60.

The 850 and Beyond

C70 Resize

Throughout the 1990s and 2000s, Volvo continually added the I5 to a host of vehicles, including the Volvo C30.

After the 850 proved such a huge success, thanks to their raucous showing in motorsports and the public’s fascination with the boxy underdog, Volvo kept introducing the 5 cylinder in more and more models, with the engine becoming increasingly intertwined with Volvo’s image over the next decade.

Below is a list of each vehicle that Volvo added the 5 cylinder engine to, along with the year they added the 5 cylinder as an option.

1990s

After the 850 in 1991, Volvo introduced 3 more models featuring the 5 cylinder engine:

  • S70/V70– Volvo introduced the S70/V70 in 1996 (’98 in the US) to replace the 850. In essence a facelifted 850, the S70 exclusively featured the 5 cylinder engine, both gas and diesel variants, naturally-aspirated and turbo, from a low of 2 liters in size to 2.5 liters.
  • C70 – In 1998, Volvo also introduced the convertible C70 to US markets, also featuring Volvo’s 5 cylinder modular engine along with a turbocharger to add some extra boost. Volvo continued to produce the C70, with the 5 cylinder engine, all the way up to 2013.
  • S80 – Volvo introduced the S80 with both a 5 and 6 cylinder engine in 1998, with 4 cylinder and 8 cylinder options in later years.

2000s

Over the next decade, the 5 cylinder became increasingly prevalent, with Volvo throwing the inline 5 in pretty much every car they manufactured:

  • S40 (2nd gen) – With the 2nd generation of the S40 in 2004, Volvo added on a 5 cylinder option to go with the standard inline 4.
  • S60 – Volvo’s replacement for the S70, Volvo only offered the S60 with the inline 5 (either NA or turbo) when first introduced in 2000. For the 2nd generation S60 in 2010, they also offered a turbo and/or supercharged 4 and 6 cylinder options.
  • XC90 – Volvo’s first foray into SUVs back in 2002 also featured a turbo inline 5 as well as an inline 6 and V8. In 2014, Volvo introduced the 2nd generation XC90 that only came with 4 cylinders.
  • C30 – From 2006 to 2013, Volvo manufactured the C30 hatchback, featuring either an I4 or I5 engine.

2010s

As engine technology continued to rapidly progress, manufacturers were able to coax major power out of smaller engines, with little effect on efficiency. The popularity of 5 cylinders began to wane and even Volvo moved on to smaller, more efficient inline 4s. Since 2010, Volvo has introduced the 5 cylinder briefly to a couple models, but nothing long-lasting:

  • XC60 – Introduced in 2008, Volvo’s 2nd dip into SUVs also briefly featured a gas-powered turbocharged inline 5 from 2015 to 2016, though Volvo replaced the entire lineup with their new 4 cylinder in 2017.
  • V40 – No, not the ‘90s wagon. Volvo introduced this hatchback in European markets in 2012, though it isn’t available in the US (yet). While the V40 was equipped with a 5 cylinder engine for a short time, the 2017 V40 only comes equipped with a 4 cylinder.

The Future Is Small

Xc40 Resize

Volvo’s 2017 XC40 features an ultra-powerful engine, but it’s not the I5.

The inline 5’s pleasing sound and better NVH (Noise, Vibration, Harshness) generally leads to a more pleasant experience than an I4 engine. Audi continues to use a turbocharged 5 cylinder engine in the 2018 Audi TT, but we can’t say the same for Volvo. The last two cars they’ve introduced, 2016’s S90 sedan and 2017’s XC40 SUV, wowed critics but both only feature a 4 cylinder engine.

In fact, as far back as 2009 Volvo announced they were ditching all engines bigger than 4 cylinders, including the I5 that they – and we – are so fond of. When Ford sold Volvo to Chinese automaker Geely the following year, Volvo took the time to rethink their designs and customer needs and decided that both they, and their customers, would benefit from smaller, more efficient turbocharged engines, like the current widespread trend in the automotive world. The 5 cylinder was toast.

Volvo took the time to rethink their designs and customer needs and decided that both they, and their customers, would better benefit from smaller, more efficient turbocharged engines. The 5 cylinder was toast.

If you’re now pouring out lamentations for Volvo’s 5 cylinder, consider this: the 2017 XC90’s dainty (albeit twin-charged) 4 cylinder engine produces a whopping 316 HP and 295 ft-lbs of torque. That’s a lot more power and better fuel consumption than the V70R.

When Volvo first introduced the 5 cylinder engine way back in 1991, it filled an important niche. It was a midway point, providing greater power than a 4 cylinder, but greater efficiency than an I6 or V8. However, times change. Volvo is moving into the future, and the 5 cylinder engine simply isn’t a part of that future.

Image Credits: Courtesy Volvo Press Materials – 1, 4, 6, Public Domain via Wikimedia – 2, CC via Flickr 3, 5

Summary
History of the Volvo 5 Cylinder: Part 2
Article Name
History of the Volvo 5 Cylinder: Part 2
Description
The 5 cylinder engine is a symbol of Volvo's past, but car makers started their iterations of this historically significant engine as early as the 1930s.
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MatthewsVolvoSite
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