Series 28 of Forza Horizon 4 landed earlier in October 2020. With October 22 bringing about the shift to the summer season, a whole host of new cars, challenges and series are available to access.
Forza Horizon 4 is the game that keeps on giving, having just had a massive update for Series 28 during October 2020. A plethora of new trucks made themselves known, along with the biggest in-game shift for a long time – the introduction of the ‘Horizon Backstage’ area.
As with any series update, these new features are split across all four seasons, and from 2:30 pm UTC on October 22 – sees the return of the glorious summer season to the Horizon Festival.
Forza Horizon 4 Series 28 Summer event cars
The summer season sees the chance to get your hands on a number of ultra-rare and exclusive cars, including the all-new GMC Syclone. The Syclone makes a welcome return to Horizon, and will likely be a firm fan-favorite from the word go.
Below is a list of cars for the summer season, along with details of how to unlock them.
Summer completion bonus cars
| Completion Percentage | Car | Car rarity / traits |
| 50% season completion | GMC Syclone | New car, Epic, Hard-to-find |
| 80% season completion | Renault Clio ’03 | Rare, Hard-to-find |
Summer seasonal event cars
| Event name | Event type | Car reward | Car rarity/traits |
| Trial by television | The Trial | Rossion Q1 ’10 | Epic, Hard-to-find |
| Summer games | Seasonal playground games | Jaguar I-Pace ’18 | Epic, Hard-to-find |
| The best or nothing | Season event | Mercedes-Benz W154 ’39 | Legendary |
| Muscle beach | Season event | Hoonigan Corvette “Napalm Nova” ’72 | Epic |
| We are the competition | Season event | Ferrari 488 Pista ’19 | Legendary, Hard-to-find |
Forza Horizon 4 Series 28 seasonal events – rewards
Summer sees a number of new and exclusive events for Forza Horizon 4 players. In addition to those above, there are also several other prizes on offer.
| Event Name | Event Type | Reward |
| Horizon Drag Strip | Seasonal PR Stunt (speed trap) | Super Wheelspin |
| Outcrop Crest | Seasonal PR Stunt (danger sign) | Super Wheelspin |
| Queen’s Drive | Seasonal PR Stunt (speed zone) | Super Wheelspin |
| Quarry cross-country circuit | Monthly rivals | – |
| Online Adventure | Series 28 | |
| #Royallingstones | Photo Challenge | Super Wheelspin |
Forza Horizon 4 Series 28 Summer Forzathon
Forzathon for the summer season runs with the theme “Antiquated Roadshow” and features a number of challenges for any car in the ‘vintage racers’ category.
Weekly challenges unlock as you progress through them, with a total of 4 ‘chapters’ available for completion.
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There are also seven ‘daily challenges’ with skill and event objectives to complete. Daily challenges are unlocked with each consecutive day of the season, but do run out over time.
Series 28 Summer weekly challenges
Completion of each weekly challenge earns players 200fp (Forzathon points) to redeem in the Forzathon shop.
| Weekly challenge name | Challenge requirements |
| Chapter 1 – ‘Absolutely spiffing’ | Own and drive any car from the ‘vintage racer’ category. |
| Chapter 2 – ‘Jolly good show’ | Drift past your opponents while racing in a ‘vintage racer’ to earn 2 showoff skills. |
| Chapter 3 – ‘Fortune favors the bold’ | Earn 12 stars from speed traps in your vintage racer. |
| Chapter 4 – ‘Laurel wreath’ | Earn 3 podium finishes in Road Racing Series events while driving your vintage racer. |
Series 28 daily challenges
Completion of each daily challenge earns players 20fp (Forzathon points) to redeem in the Forzathon shop.
| Daily challenge name | Challenge requirements |
| #1 Turfed cut | Complete a cross country circuit event |
| #2 A bird in the hand | Earn 3 ‘clean racing’ skills |
| #3 Conkers | Earn 1 ‘ultimate wreckage’ skill |
| #4 Unstoppable | Earn 2 stars in total from speed zones |
| #5 Rubbin’ is racin’ | Earn 1 ‘trading paint’ skill |
| #6 Powerr! | Earn 1 ‘awesome speed’ skill |
| #7 Rampage | Earn 2 ‘wreckage’ skills |
Series 28 Summer Forzathon shop
The Forzathon Shop for Series 28 Summer season has a number of juicy items that are hard to get in normal gameplay.
The 2010 Lexus LFA takes pride of place in the Summer Forzathon Shop, costing 600fp. The 2018 Mini X-Raid John Cooper Works Buggy is also available, costing 350fp.
The usual super wheelspins are also available, along with the Halo Theme car horn and the ‘Dab’ emote.