As always, the pack comes with ten new cars from across the genres of motoring, whether they're small British roadsters or modern sports coupes, right up to the latest muscle cars and homologation specials.
We've got a brief summary of each car in the Playseat pack below. Enjoy!
1962 Lincoln Continental
Still, we can't fault Turn 10 for choosing one of the definitive American land yachts of the 1960s, and quite possibly one of the most iconic luxo barges of all time. After all, it just oozes cool, and we're hoping that, if the trailer is anything to go by, it'll be a right hoot to drive!
1962 Triumph TR3B
In essence, the TR3B was a standard TR3 with a few alterations to the way the bodywork and bits of trim were attached, and the same syncromesh gearbox and 2.1 four-cylinder engine with 105hp that came from the TR4. And remember, it weighs less than 1,000 kg, so it should also be quite a nice car to thrash about.
Of course, we should also point out that this is just the latest in quite a long line of post-war back-to-basics British roadsters to be released as DLC in Forza 4, so maybe it's about time we start comparing them all…
Peugeot 205 T16
The brainchild of Jean Todt (yes, the same Jean Todt who was once the Ferrari F1 team boss and now leads the FIA), the road going T16 was sadly no where near as exciting as the rally car it was based on – though it shared the same 4WD and mid-mounted turbocharged four cylinder motor, the road cars only came with 200hp. In contrast, the rally cars were lighter, and had over double the power.
Still, it's nothing a few trips to the Tuning Shop and Livery Editor can't fix, and in a matter of moments, you can have an in-game replica of Juha Kankkunen's former company car.
1989 Mercedes-Benz Sauber C9
And by successful, we truly mean successful. Thanks in part to a redesigned 5.0 turbocharged V8, the C9 ended up winning all but one race in the '89 season. Thankfully for the team, that one race wasn't the 24 Hours of Le Mans, so there was the extra bragging rights with that.
This particular C9 is also important, in that it holds the fastest speed ever recorded at the French track – as it hurtled down the Mulsanne straight during qualifying, it reached an officially verified 247mph. Many people say that the ballistic pace of the C9 in a straight line lead to the introduction of the chicanes, so if that is the case, it also ensured its record will stand for eternity.
2003 Aston Martin DB7 Zagato
Based on a shortened version of the DB7 V12 Vantage (so was a few kilos lighter than the donor machine), the DB7 Zagato came with, along with a unique exterior and interior design, a 450bhp 5.9 V12, a wider rear track and enough performance to worry a Vanquish. It also had the price tag to worry a Vanquish, as each of the 99 made (not including the extra one made for Aston Martin's own collection) were sold for £160,000 a pop.
So, for many people, unless you live near the Aston Martin Museum or know someone who owns one, the DB7 Zagato's inclusion into Forza 4 is the closest quite a few people will ever get to seeing one in person.
2012 Chevrolet Camaro ZL1
Thankfully for Chevrolet, that seems to be the case, and not just because the new ZL1 is, with 580bhp from a supercharged 6.2 V8, the most powerful road going Camaro ever. The Chevy engineers were also very focused on making sure the ZL1 could handle the corners properly, and be a match for the greatest performance cars on the planet.
If you think that's just GM being all talk and no trousers, remember the Camaro ZL1 was able to set a 7:40 lap time around the Nurburgring. So, yeah, it's quite a solid piece of kit.
2013 Ford Mustang Boss 302
Much like the ZL1 (though we will stay that Ford got their first), the new Boss 302 is a homage to the original, though unlike the Chevy, the Boss actually makes an effort to resemble the car it's imitating. Not only are there the decals and such, but the new Boss 302 has been honed for track work, and has been hailed by many to be the best modern American performance car.
Of course, in regards to pure stats, the Ford is outgunned by the Chevrolet so, unless the new 660hp Shelby Mustang arrives, you'll need to spend a short while upgrading the pony car if you're participating in a drag race against a ZL1.
Hyundai Genesis Coupe 3.8 Track
The one chosen to be rendered in Forza 4 is the pinnacle of the range, coming with the 'Track' trim that seems to only bring with it a rear spoiler, and a 3.8 V6 with 345bhp. Oh, and it's rear wheel drive and comes with a manual gearbox, so it has all the makings of a very good performance car.
And, of course, New Zealand-born racer Rhys Millen used to compete in drift tournaments in prepped pre-facelift Genesis coupes, so we'll be stunned if something with that much power going to the back can't spin the rear tyres up as stock!
2013 Lexus GS 350 F-Sport
This spec of GS does have quite a few attributes that make it stand out from most other Lexus models. For starters, it's rear wheel drive (always a good sign if you want your car to be sporty) and comes with a 305hp 3.5 petrol V6 that DOES NOT come with a bolted-on hybrid system. It's also got a few F-Sport trinkets such as a unique bodykit, so it looks fairly athletic as well.
Whether or not it'll be any fun in the game is another kettle of fish, though we'd be quite stunned if A) it's the worst Lexus in the game and B) it doesn't make a good drifter once you start fiddling with the engine.
2013 Scion FR-S
The stats of this car have been said so many times that it's highly likely you know of them already, but in case you don't know, here's a quick run-through of what makes the FR-S such a fresh piece of thinking: not only does it share the tyres used by the Prius and a reworked version of the 2.0 flat-four 'Boxer' engine from the Subaru Impreza, but it also has the lowest centre of gravity of any sports car on sale and, Scion claims, aims to 'put the fun back into driving'.
Of course, you're also most likely aware of the fact that the Scion FR-S is a rebadged Toyota GT86, which in turn is a version of the Subaru BRZ. So, much like the real car, it may end up being the case that we wait ages for this new sports car to arrive in a racing game, and three identical variants turn up in quick succession!