Playing 24 Hour Grand Prix - First Impressions
I spent a good stint on 24 Hour Grand Prix and it nails that retro racer mood straight away. The 6-reel, 4-row, 30-line setup sits on a tight seaside circuit that reminded me more of the Monaco Grand Prix than Le Mans. What kept me spinning was the rock-meets-blues soundtrack, plus engine bursts when features kick in.

24 Hour Grand Prix Symbols and Paytable
The paytable is simple: 9 regular symbols, with 4 low card suits and 5 high-paying cars. You will spot classics like the Ford GT40, Ferrari 330 P3 and Porsche 906 Carrera, alongside Ferrari 275 and Alpine A210. Five-of-a-kind on the car symbols pays about 3.8x to 11.4x stake, and stacks can build full-screen hits up to 342x.
Symbol Payouts
| Symbol | Payout |
|---|---|
![]() | Wild |
| 6 → x35 | |
| 4 → x2.3 | |
![]() | Wild |
| 6 → x35 | |
| 4 → x2.3 | |
![]() | Wild |
| 6 → x35 | |
| 4 → x2.3 | |
![]() | Wild |
| 6 → x35 | |
| 4 → x2.3 | |
![]() | Wild |
| 6 → x35 | |
| 4 → x2.3 | |
![]() | 6 → x11.4 |
| 5 → x6 | |
| 4 → x2.4 | |
| 3 → x1.3 | |
![]() | 6 → x9.5 |
| 5 → x5 | |
| 4 → x2 | |
| 3 → x1.1 | |
![]() | 6 → x7.6 |
| 5 → x4 | |
| 4 → x1.6 | |
| 3 → x0.9 | |
![]() | 6 → x5.7 |
| 5 → x3 | |
| 4 → x1.2 | |
| 3 → x0.7 | |
![]() | 6 → x3.8 |
| 5 → x2 | |
| 4 → x0.8 | |
| 3 → x0.5 | |
![]() | 6 → x1.7 |
| 5 → x1 | |
| 4 → x0.7 | |
| 3 → x0.3 | |
![]() | 6 → x1.4 |
| 5 → x0.7 | |
| 4 → x0.5 | |
| 3 → x0.2 | |
![]() | 6 → x1 |
| 5 → x0.5 | |
| 4 → x0.4 | |
| 3 → x0.1 | |
![]() | 6 → x0.7 |
| 5 → x0.4 | |
| 4 → x0.3 | |
| 3 → x0.1 |
24 Hour Grand Prix RTP, Volatility and Hit Rate
On paper it is not generous: I saw the default RTP quoted at 95.73%, though some versions run at 94.70%, so it is worth checking in-casino. Volatility is billed as mid-high or 4/5, and the hit rate is described as 3/5 (also listed as 20.40%), which matched the stop-start feel of my session.
In a 200-spin-style run at a low stake (0.6 per spin), the first 50 spins were roughly 90% dead. One proper spike landed as a 171x Mega Win, and I also hit a couple of 30x Big Wins that did the job of keeping the balance afloat.
How 24 Hour Grand Prix Bonus Features Work
The main mechanic is the Super Wild, but you do not just land it. When two adjacent reels are stacked with the same high-paying car, the game swaps them for a 2x4 Super Wild block that substitutes for all paying symbols.
In practice, I found these Super Wilds useful but a bit awkward: they often showed up around reels four and five, where they did not always connect the win across the earlier reels. When it does line up with stacks, it feels great, and a full screen of Super Wilds is listed at 1,050x stake.
Race Spins are the other big moment: land 3 or more Race Spin scatters and you get 10 free spins, plus 5 extra spins per additional scatter. During the feature, low pays are removed, which sounds lush, but it can still be frustrating if the trigger is slow to arrive. There is also a jackpot wheel on 3 jackpot scatters (Hourly, Daily, Big Drop) and a red/green gamble wheel (94% RTP).

24 Hour Grand Prix Verdict After Testing
After a few hours, I would call 24 Hour Grand Prix fun but a touch repetitive: great audio, strong retro cars, and straightforward rules, yet not many features to chase. The free spins can disappoint even with low pays removed, and the RTP is plainly below average. If you can live with that, there is up to 2,166x stake on the table (excluding jackpots) for a few cheeky spins.
In-Game Screenshots



24 Hour Grand Prix FAQ
24 Hour Grand Prix — Comparison
| Game | RTP | Volatility | Max Win | Rating |
|---|---|---|---|---|
| 95.73% | Above average | x2166 | ||
| 95.72% | Low | x3423 | ||
| 95.71% | Average | x1380 | ||
| 95.77% | High | x4000 | ||
| 94.78% | Average | x5000 | ||
| 94.79% | Average | x1000 | 7 | |
| 95.75% | High | x9500 | ||
| 95.79% | High | x4982 | ||
| 95.68% | Average | x3000 | ||
| 95.71% | Average | x2500 | ||
| 96.78% | High | x6000 | 10 | |
| 95.71% | High | x4900 | 7 | |
| 95.78% | Above average | x1525 | 6 | |
| 94.96% | Above average | x5000 | ||
| 95.77% | High | x5000 | ||
| 96% | High | x5000 | ||
| 95.68% | Above average | x2000 | ||
| 96.17% | Above average | x5000 | ||
| 96.08% | High | x5000 | ||
| 95.66% | High | x5000 |













