Some info about the company will come later. Based in Sweden since 1954.
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The Roadmaster is a full size premium sedan first released in 1957. It’s your typical late 50s full size sedan aimed at providing a comfortable ride. The Roadmaster was however a really fast full size sedan, where the basic 4.7L V8 made 3 horsepower more then the Mercedes 300SL, the fastest production car of this time. The models made for public use did not reach top speed more then around 220km/h. One design mistake was that the design team accidentally used leaf springs in the rear suspension setup design instead of coil springs and this error was detected late in the development stage so it was decided that it would be produced as-is. There was also a big focus on safety and it included advanced safety features such as strengthened roof pillars as well as seat belts for all occupants. Seat belts were, unlike in most other cars of this era, standard equipment for all Nord Automotive Cars, beating Saab by one year, as they introduced seat belts as standard in 1958,
The car came in two flavors, Executive and DeLuxe.
The Roadmaster Executive had the 4.7L V8 with 218hp and premium interior and entertainment and was the entry level trim. It was paired with either a 4 speed manual or a in-house developed two speed automatic.
The DeLuxe was equipped with luxury interior and a fully functional phonograph for entertainment. The added weight required a bigger engine so a Mammoth 5.9L V8 was used, making 314hp. Paired with a performance oriented 4 speed manual, it reaches a top speed of 222km/h and does 0-100 in just shy of 7.8 seconds. This 2000kg monster gets really close to the 0-100 time of the 1958 Corvette, which was around 7.6 seconds. The two speed auto was also available here and the Mammoth V8 is running an advanced 3-valve SOHC setup for increased performance.
The 57’ Roadmaster wasn’t that popular amongst consumers but since it had leaf springs, it could carry heavy loads and could take some abuse from rough roads, so police departments showed interest in the car. Nord Automotive made a special version called the Roadmaster Police Patrol.
Visually, the Police Patrol looked like the Roadmaster Executive and even had the “Executive” badge on the read.
The premium interior was replaced with a standard quality one and only a basic AM radio was installed to save weight. It used a tuned Mammoth 5.9L V8, producing 328hp and giving the car a 0-100 time of 7.14 seconds, making it faster then a few high performance cars of this era such as the 1957 Porsche 1500 RS Spyder with its 7.2 second 0-100kmh time. It was fast and the huge trunk could hold all sorts of police equipment.
The Roadmaster was replaced by the Roadmaster Mk2 in 1965
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I am not too keen on the blinker arrangement in the front, the different size headlights throws me off. But those red wheels are a nice touch, like, REALLY nice 
Cool to see a new company though. We need more of these to mix it up with the old school crowd.
Actually, I’ve had automation since long before the Steam version. I just forgot all my login details including email used and username as well as password.
With the design of the Roadmaster Mk2, all customer complaints and issues from the previous Roadmaster were taken into account to create a better car.
For starters, it was made sure that coil springs would be used for the rear suspension design and the car went on a diet and lost a couple of 100 kilograms of weight. All engines were upgraded with a twin four barrel carburetors which gave an increased performance and the use of higher grade metals for all moving parts increased the engine durability. There was however an issue with body roll for all trims.
As usual, advanced, space age safety features were used such as head rests for front passengers to prevent whiplash injuries and three point seat belts as seen in Volvo cars.
Three trims were offered: Executive 4.7, Deluxe 5.9 and RRRT (Rebel Road Racing Technology) 5.9 SE. Offered with either a 4 speed manual or 3 speed automatic. The RRRT 5.9 SE only came with a 4 speed manual.
The entry level trim, the Executive, came with a premium grade interior and AM radio. Front seats were adjustable and the seats were designed for the ultimate comfort for a maximum of five passengers.
The top tier trim, the Deluxe, as usual, has the 5.9L V8 but also wider tires to provide better traction for 350 angry horses and 473Nm of torque. The seats are made with only the finest materials and the adjustment controls are electric and so are the window controls. A high quality phonograph was also installed so passengers don’t have to listen to crappy radio songs. This 1500kg car could hit 100kmh in just shy of 6.5 seconds and hit a top speed of 240kmh. Power steering was also included as well as hydropneumatic spring design for the ultimate smooth ride.
The sport trim, the RRRT 5.9 SE, is basically a modified Roadmaster Executive, featuring a more aggressive design with a rear spoiler, lips in the front and a menacing dark colored hood with big vents in it. High quality sports tires were used as well as the 5.9L V8 from the Deluxe trim. A stiffer suspension setup reduced body roll and it reaches 100kmh in just below 6 seconds. A quarter mile could be finished in 14.23 seconds only, with a big, full size, all steel sedan.
The last batch of Roadmaster Mk2’s rolled in in late 1973 but the Roadmaster Mk3 was never put in production due to the oil crisis. Focus was instead shifted on other, more economy oriented models.
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OT: I don’t know if I’m allowed to use real names of green organizations even in fiction so I used fake names instead. Also, hope this post is easier to read with better structure, headings and whatnot
Roadmaster Mk3
Since 1973, even though a new Roadmaster generation wasn’t released, the plans for it were set aside and set on low priority. During the two oil shocks, engineers looked into several technology improvements for the engine to increase the Roadmasters fuel efficiency. The end result was a sophisticated fuel delivery system that injects fuel into the intake ports for every cylinder, a technology based on 80s Bosch fuel injection technology. That was the idea at least… Once fuel usage tests were made, it was concluded that the Deluxe trim (with manual five speed) used 34L/100KM or 8.3 US MPG combined, which is worse then the first generation, nearly 2000kg, Roadmaster Deluxe Mk1.
Production lasted 1982 - 1990.
Controversy & Legal Action…
As a consequence from this, in the other half of the 1980s, the Roadmaster Mk3 was often used in political adverts by environmental groups to get governments to impose restrictions on wasteful cars like the Roadmaster. Nord Automotive filed lawsuits against several environmental groups for copyright infringement but only a fraction of all filed lawsuits went through as some of the environmental groups had forgotten to edit out logos specific to Nord Automotive and the Roadmaster car.
One controversial lawsuit that went through was in July 1986 against the Swedish based Nature Protection Agency. It generated a lot of media attention in Scandinavia and accusations were made that the court bent over for the automotive industry and that the final ruling had poor support in the available evidence. The Nature Protection Agency was ordered to pay Nord Automotive the 1986 equivalent of 1 500 000$ for unlawful use of the Roadmaster logo seen on the side of the Roadmaster Mk3, as it is a registered trademark and the logo design is protected under copyright law.
Station wagon
For the Roadmaster Mk3, a station wagon model was built as well, the Roadmaster Baron (premium) and Baron SE (luxury trim). It uses the same engine setup and transmission alternatives as the Roadmaster Executive and Deluxe but there’s no RRRT high performance edition for the station wagon. The introduction of the Baron was a market success as it attracted a large array of buyers, ranging from those wanting a utility luxury car to those looking for a grand tourer or a premium track day monster. Design wise, the Baron was very similar to the Roadmaster sedan with few changes being made.
Design changes
An external re-design was made, drawing lots of inspiration from menacing American muscle cars, to make sure that the Roadmaster lives up to its name. Internally, all trims were fitted with a climate control system and every adjustment is electrical for every trim. Power steering was also offered and lots of advanced safety features were introduced.
Safety Research
Extensive research was done to further improve the energy absoprtion of the crumple zones and safety glass was also implemented. The passenger compartment is also incredbly crash proof and airbags were introduced for both front seat occupants, making Nord Automotive the one of the first car manufacturers in the world to introduce airbags for both front seat occupants as standard equipment.
V8 Badge
RRRT Badge
Roadmaster Badge
Roadmaster Executive
Featuring improved suspension with progressive springs and gas monotube dampers.
Roadmaster Deluxe.
Better tires and hydropneumatic suspension. 6 second 0-100 time and 240kmh top speed. Fancy cassette player system and adaptive power steering. A new, modern limited slip differential to replace the primitive automatic locker differential setup. Chromed bumper details.
Roadmaster RRRT
5.9. Rear wing and big exhausts that produce a sound so menacing that Satan would piss his pants in fear. 5.3 second 0-100 and 13.62 second quarter mile. Wide sports tires and adaptive power steering as well as a huge brakes. High performance five speed manual. Special tuned Mammoth 5.9L V8 to improve throttle response and power.
Roadmaster Baron & Baron SE
Station wagon version of Roadmaster Executive. The Roadmaster Baron SE is the same spec wise as the Roadmaster Deluxe.
Baron stats
Baron SE stats
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I’ve seen your whole range so far and they all look like classics should, with real V8 grunt to boot.
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1970 Dolphin Mk1
While the Roadmaster was doing great on the market, Nord Automotive wanted to create a premium car that would be able to match the comfort of full size sedans but still get good gas mileage. What they came up with was a compact and lightweight, high tech premium sedan. The car got a 12.6 combined US MPG (18.7L/100km) rating and could hit 100kmh in just 6.9 seconds.
Design & Safety
Great attention was given to the external design of the car. The design should emphasize the car’s grandeur compared to other compact sedans of the era. Carefully placed chrome details paired with a premium or luxury interior. Power windows throughout the range for all passengers and extremely comfortable seats. As usual, safety is top priority so front passengers have three point seat belts and all seats have headrests. The passenger compartment is very reinforced and well protected and safety glass is used all around to prevent lacerations from the glass in case of a collision. Care was taken to optimize the front and rear for energy absorption as much as was possible with late 60s tech, during the development of the car. Lastly, a suspension rework was done. Instead of the standard solid rear axle with coil springs, independent rear suspension was used with a semi trailing arm design.
The powerplant
The Nord Automotive V8 engines were gas guzzlers so a new engine was needed. The team settled with a V6 but to make it more efficient, high tech parts were needed. The engine was named the Shiny-Six due to the fact that the aluminum alloy used for the engine was incredibly shiny in direct sunlight. It is a 3.4 liter V6 pushing out 227hp and 288Nm. All internals were made using metal forging, the engine had a modern DOHC 4 valve/cyl setup and two economical four barrel carbs were used for fuel delivery,
US catalytic converter law
The car was to be produced until 1978 but no new batches were sent to the US market after 1975. Nord Automotive decided not to detune the engines and fit catalytic converters to the exhaust system, which were needed to comply with the new US regulations. The Dolphin Mk1 was still sold in Europe where catalytic converters were not yet mandatory.
Dolphin 207
The base trim. Premium interior and AM radio. More aerodynamic design with semi clad undertray and power steering. Hydropneumatic springs for a smooth ride.
Dolphin King
To make the car cheaper to produce, the exterior was identical. It’s basically a Dolphin 207 with all it’s described qualities, but with luxury interior and advanced 8 track system as well as a climate control system.
The Dolphin’s all-alloy quad-cam V6 was a decade or two ahead of its time, but I would have preferred it if the model used unitary construction and struts at the front. Still a classy design though.
It may or may not have been some exaggerated marketing… It’s just an all aluminum V6. The marketing division at Nord Automotive during this era was known to exaggerate or include less then true statements in marketing.
1967 Jackal Mk1
Right before the release of the 65’ Roadmaster Mk2, the team shifted it’s focus on developing an extremely fast, affordable and prestigious car. The emperor of all muscle cars. It would even rival brands like Ferrari and Porsche in terms of raw performance. So the team came up with the Jackal. A muscle car inspired monster that could match the 266 kmh top speed of the Shelby cobra. A monstrous car that could match the 0-60mph time of a Ferrari 365 GTB4, which was 5.5 seconds. All while providing four passengers with supreme comfort. A massive hit on the market, attracting even super car buyers as well as those wanting a luxury sporty utility vehicle.
This car showed the auto industry what Nord Automotive was capable of with simple and cheap technologies. There was no fancy aluminum block engine, no quad cam set up and no fancy fuel delivery system. Not even independent rear suspension. Tech wise, it’s mostly on par with your average muscle car, with a solid rear axle and a big cast iron V8, all put on a ladder chassis made with simple corrosion resistant steel.
Production ended in 1975
Design
Compared to other Nord Automotive designs, the Jackal has modest detailing. A very clean and simple design, yet the shiny polished chrome will make it stick out amongst other similar cars.
The Rhino V8
The original idea was to use a tuned Mammoth 5.9L V8 as seen in the Roadmaster Mk2. But after some testing, it was concluded that the power output of a tuned Mammoth V8 was insufficient. This lead to the development of the Rhino V8. A standard 90 degree cast iron V8 with 8 liters of displacement capacity. It features an upgraded version of the overhead cam system from the Mammoth V8. Strengthened components and one extra valve per cylinder was added giving it 4 valves/cylinder. Forged internals were made with a high strength steel so the engine could withstand revs up to 5900 RPM, though it could handle more but 5900RPM was found to be the limit where Nord Automotive can guarantee that it won’t blow up. Two four barrel carbs were used and it runs only on standard leaded fuel. No need to get premium.
Jackal 360
The premium trim with the standard Mammoth V8. The more affordable option with medium compound tires as well as power steering and a high performance five speed manual.
Jackal 488
Has all the qualities of the Rhino 360 but comes with the Rhino V8, five speed manual, very wide sports tires and a highly modified and strenghtened automatic locker diff from the Roadmaster Mk2 that can withstand the 503hp and 685Nm of torque. Electronic operation of windows. 266kmh top speed and 0-100kmh in just 5.5 seconds and it features hydropneumatic springs. No difference externally to the 360 except bigger exhausts and 488 lettering instead of 360.
Jackal 488 noise issue
While the interior was very well insulated, once you floor it and rev the engine, it produces an extremely loud V8 roar on the outside. The Rhino V8 only has one set of mufflers instead of two to improve the flow through the exhaust and this has lead to a few cases in the late 2010s of people revving Jackal 488s in city centers being fined for disturbing the peace.
At the 2015 car meet Vallåkraträffen in Sweden, some people, including a few minors, have reported feeling ringing in the ears after owners of Jackal 488s revved their engine to show of the car. This sparked some local outrage over, as quoted from a local newspaper “owners of extremely loud cars carelessly revving their engines even though they know kids with not fully developed hearing attend to the show.”.
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OOC: I’m awful at photo editing so I can’t make a fancy advert for this 
The Ferrari Killer…
Nord Automotive has created a Ferrari killer. Faster top speed then Ferrari Testarossa.
Stay tuned for the Jackal Mk2 525 V10
The Angry Hornet – The world’s biggest production engine
628 hp – All Aluminum – DOHC 4 valve – V10 – 8.6L / 525 cubic inches
310kmh / 192 mph top speed
4.7 second 0-60mph
Side mounted exhausts!
Soul murdering V10 roar, cursed by Norse Gods!!
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Lol nope
Besides if we look at real cars, IIRC, Cadillac had a 10l V8 in the 70s
8.2L, actually, or 500 cubic inch.
Some of the biggest production engines came in the late 1910s in the US, with a 13.5L aircraft engine being available in a couple of cars, along with many other 9.0L+ engines in some other cars.