Street and Racing Technology

SRT (Street Racing Technology) is[1] an American badge of high-performance vehicles manufactured by Stellantis North America, mainly ones of the Dodge brand.

2005 Dodge Viper SRT-10
Product typePerformance Vehicles
OwnerStellantis
Produced byStellantis North America
Introduced1989 (1989) (as Team Viper)

Origins of the badge date back to 1989 when a team known as "Team Viper" was organized to develop the Dodge Viper.[2] It later merged with Team Prowler, the developers of the Plymouth Prowler, to become Specialty Vehicle Engineering (SVE). This was renamed Performance Vehicle Operations (PVO) from January 2002 until around 2004.[3] Since all PVO vehicles used the SRT badge, the development team itself was renamed to SRT in 2004. SRT is used by vehicles of Dodge, Chrysler, and Jeep brands, including police models for Chrysler/FCA Fleet Division.

Cars
SRT emblems
SRT4
SRT6
SRT8
SRT10
Current SRT emblem

The naming convention used by SRT for its models is indicative of the vehicle's engine type. The number that follows the "SRT" prefix denotes the number of engine cylinders. For example, Chrysler 300C models with 6.1 L Hemi V8s when in the SRT version are named as the Chrysler 300C SRT-8. Similarly, the Dodge Viper SRT-10 along with the Dodge Ram SRT-10 had an 8.3 L V10.

Currently, the fastest SRT production models are the 2018 Dodge Challenger Demon with a quarter-mile time of 9.65 seconds, the 2021 Dodge Challenger SRT Super Stock with a quarter-mile time of 10.5 seconds,[4] the 2021 Dodge Charger SRT Hellcat RedEye with a quarter-mile time of 10.6 seconds, the 2015 Dodge Charger Hellcat with a quarter-mile time of 11.0 seconds, the 2013 Dodge Viper with a quarter-mile time of 11.1 seconds, the 2015 Challenger Hellcat with a quarter-mile time of 11.2 seconds, the Dodge Durango SRT Hellcat with a quarter-mile time of 11.5 seconds, the Jeep Grand Cherokee Trackhawk with a quarter-mile time of 11.5, and the Dodge Challenger R/T Scat Pack 1320 with a quarter-mile time of 11.7 seconds. Other SRT models have recorded quarter-mile performances, from 12.8 seconds[5] for the AMG-based Chrysler Crossfire SRT-6 to the Dodge Neon SRT-4 at 13.9 seconds.

Chrysler released the 6.4 L Hemi engine in early 2011. 2011-2014 SRT-8 versions have 392 Hemi (6.4 L) engine, rated at 470 hp (350 kW) and 470 lb⋅ft (637 N⋅m).[6]

The new engine is used in the 2012 Dodge Challenger SRT8, Dodge Charger SRT8, Chrysler 300 SRT8, and the Jeep Grand Cherokee SRT8. With the improved engine, the current SRT8 model is not only faster than the previous model but also has better fuel efficiency than the previous one.

In 2012 Chrysler[7] implemented a plan to turn SRT into a separate brand under the Chrysler Group umbrella.[8] During the 2013 and 2014 model years, the Dodge Viper was sold under the model name SRT Viper. In May 2014, the SRT brand was re-consolidated under Dodge, with former SRT CEO Ralph Gilles continuing as senior vice president of product design and also as the CEO and president of Motorsports.[9]

The Jeep Grand Cherokee SRT-8 is being sold in China by dealer import methods. Due to increasing interest in American muscle cars, dealers were considering also importing the Dodge Charger and Challenger SRT-8 into China.[10] However, little to none of the Charger and Challenger imports to China have been confirmed.

After two years of SRT as an independent division, Fiat Chrysler Automobiles (now Stellantis) announced on May 4, 2014, that the SRT family of vehicles will be consolidated under the Dodge brand. This includes renaming the "SRT Viper" back again to the legendary "Dodge Viper". This will expand the Dodge lineup to focus on it as a performance-dedicated brand.[11]

In late 2014, Chrysler announced a new variant of the Dodge Challenger and Charger models named "SRT Hellcat" and another variant called the "SRT Demon" in early 2017.

Current vehicles
  • Dodge Challenger SRT 392
    Dodge Challenger SRT 392
  • Dodge Charger SRT 392
    Dodge Charger SRT 392
  • Dodge Challenger SRT Hellcat
    Dodge Challenger SRT Hellcat
  • Dodge Durango SRT 392
    Dodge Durango SRT 392

The current lineup from SRT are the Chrysler 300 SRT, Dodge Challenger SRT 392, Dodge Challenger SRT Hellcat, Dodge Challenger SRT Demon, Dodge Charger SRT 392, Dodge Charger SRT Hellcat, Dodge Charger Pursuit, Dodge Durango SRT 392, Dodge Durango Pursuit, Dodge Durango SRT Hellcat, Jeep Grand Cherokee SRT[12] and Jeep Grand Cherokee SRT Trackhawk. As for the Chrysler 300 SRT, the car is only sold in Australia, New Zealand, and the Middle East, whereas the US version has been discontinued.

Vehicle Model Years Engine Power 0–60 mph (0–97 km/h) Quarter Mile
Chrysler 300 SRT

(after facelift; Australia, New Zealand & Middle East)

 2015–present 6.4L naturally aspirated Apache Hemi V8 485 hp (362 kW; 492 PS) 4.5 seconds 12.6 seconds
Dodge Challenger SRT 392

(after facelift)

 2015–2018 485 hp (362 kW; 492 PS)4.5 seconds[13] 12.6 seconds
Dodge Charger SRT 392

(second generation LD, after facelift)

 4.6 seconds[14] 12.8 seconds
Jeep Grand Cherokee SRT

(fourth-generation WK2, after facelift)

 2014–2021 470 hp (350 kW; 477 PS) ('14)

475 hp (354 kW; 482 PS) ('15–present)

 4.4 seconds[15] 13.0 seconds
Dodge Durango SRT 392 2018–present 475 hp (354 kW; 482 PS) 4.4 seconds 12.9 seconds
Jeep Wrangler 392 2021–present 470 hp (350 kW; 477 PS) 4.5 seconds 12.9 seconds
Dodge Challenger SRT Hellcat 2015–present 6.2L supercharged Hellcat Hemi V8 707 hp (527 kW; 717 PS)3.6 seconds[16] 11.2 seconds
Dodge Charger SRT Hellcat3.6 seconds[17] 11.0 seconds
Jeep Grand Cherokee SRT Trackhawk

(fourth-generation WK2)

 2018–2021 3.5 seconds[18] 11.6 seconds
Dodge Durango SRT Hellcat 2021–2021,2023 (Announced as to 2,000 cars + additional 1000 cars added = 3000 total: then revived for the 2023 model year only) 710 hp (529 kW; 719 PS) 3.5 seconds 11.5 seconds
Ram 1500 TRX 2021–present 702 hp 4.5 seconds 12.9 seconds
Dodge Challenger SRT Hellcat Redeye 2021–2023 6.2L supercharged Hellcat HO Hemi V8 797 hp
Dodge Charger SRT Hellcat Redeye 2021–2023
Dodge Challenger SRT Jailbreak 2022 807 hp 3.6 seconds 11.0 seconds
Dodge Charger SRT Jailbreak 2022 3.6 seconds 11.0 seconds
Dodge Challenger SRT Demon 2017–2018 (Limited to 3,500 cars) 6.2L supercharged Demon Hemi V8 840 hp (626 kW; 852 PS) 2.3 seconds 9.65 seconds

Previous vehicles
  • Dodge Neon SRT-4
    Dodge Neon SRT-4
  • Dodge Caliber SRT-4
    Dodge Caliber SRT-4
  • Chrysler Crossfire SRT-6
    Chrysler Crossfire SRT-6
  • Chrysler 300C SRT-8
    Chrysler 300C SRT-8
  • Dodge Magnum SRT-8
    Dodge Magnum SRT-8
  • Dodge Charger SRT-8
    Dodge Charger SRT-8
  • Jeep Grand Cherokee SRT-8
    Jeep Grand Cherokee SRT-8
  • Dodge Challenger SRT-8
    Dodge Challenger SRT-8
  • Chrysler 300 SRT
    Chrysler 300 SRT
  • Dodge Charger SRT-8
    Dodge Charger SRT-8
  • Dodge Viper SRT-10
    Dodge Viper SRT-10
  • Dodge Ram SRT-10
    Dodge Ram SRT-10
  • Dodge Viper SRT-10
    Dodge Viper SRT-10
  • Dodge Viper
    Dodge Viper
  • Jeep Grand Cherokee
    Jeep Grand Cherokee
Vehicle Model Years Type Engine Power 0–60 mph (0–97 km/h) Quarter Mile
Dodge Neon SRT-4 2003-2005 SRT-4 2.4 L turbocharged I4 215 hp (160 kW; 218 PS) (2003)

230 hp (172 kW; 233 PS) (2004 & 2005)

 5.6 seconds ('03)[19]
5.3 seconds ('04-05)[20]		 14.1 seconds ('03)
13.9 seconds (2004 & 2005)
Dodge Caliber SRT-4 2008-2009 2.4 L turbocharged World I4 285 hp (213 kW; 289 PS) 6.2 seconds[21] 14.6 seconds
Chrysler Crossfire SRT-6 2005-2006 SRT-6 3.2 L Mercedes-AMG M112 V6 350 hp (261 kW; 355 PS) 4.8 seconds[22] 12.8 seconds
Chrysler 300C SRT-8

(first generation)

 2005-2010 SRT-8 6.1 L naturally aspirated Hemi V8 425 hp (317 kW; 431 PS) 4.7 seconds[23] 13.2 seconds
Dodge Magnum SRT-8 2005-2008 5.6 seconds[24] 13.7 seconds
Dodge Charger SRT-8

(first generation LX)

 2006-2010 5.4 seconds[25] 13.5 seconds
Jeep Grand Cherokee SRT-8

(third generation WK)

 420 hp (313 kW; 426 PS) 5.2 seconds[26]
Dodge Challenger SRT-8

(before facelift)

 2008-2014 6.1 L naturally aspirated V8 (2008-2010)

6.4 L naturally aspirated V8 (2011-2014)

 425 hp (317 kW; 431 PS)

470 hp (350 kW; 480 PS)

 5.3 seconds[27] (2008-2010)

4.5 seconds ('11-14)

 13.6 seconds ('08-10)

12.9 seconds ('11-14)

Chrysler 300 SRT-8

(second generation,

US version)

 2011-2015 6.4 L naturally aspirated Apache Hemi V8 470 hp (350 kW; 477 PS) 4.0 seconds ---
Dodge Charger SRT-8

(second generation LD,

before facelift)

 2012-2014 4.6 seconds 12.8 seconds
Jeep Grand Cherokee SRT-8

(fourth-generation WK2,

before facelift)

 2012-2013 4.6 seconds[28] 13.3 seconds
Dodge Viper SRT-10

(third generation ZB I)

 2003-2007 SRT-10 8.3 L naturally aspirated Viper V10 500 hp (373 kW; 507 PS) 3.7 seconds 11.7 seconds
Dodge Ram SRT-10 2004-2006 5.4 seconds[29] 13.8 seconds
Dodge Viper SRT-10

(fourth generation ZB II)

 2008-2010 8.4 L naturally aspirated Viper V10 600 hp (447 kW; 608 PS) 3.8 seconds 10.9 seconds
Dodge Viper SRT 2013-2017 SRT 640 hp (477 kW; 649 PS) ('12-14)

645 hp (481 kW; 654 PS) ('15-17)

 3.5 seconds 11.5 seconds
Chrysler 300C SRT Design

(first generation)

 2008-2010 SRT 3.0 L Mercedes-Benz OM642 V6 Diesel 215 hp (160 kW; 218 PS) 7.6 seconds[30] 14.6 seconds

Manufacturer engines
The 2.4 L inline-4 used by the Neon SRT-4, the second SRT car built behind the Viper.
The only 6-cylinder engine to be featured in a SRT car, the Mercedes M112 engine was used for the Crossfire SRT-6.
The 392 Hemi V8 engine used for the Challenger and Charger SRT 392 models.
The Viper V10 engine used by the Viper and Ram 1500 SRT-10 models.

SRT has made six engines so far, and one derived engine. Their first two engines were the third generation ZB I's 8.3 L naturally aspirated Viper V10 and the Neon SRT-4's 2.4 L turbocharged I4.

4-cylinder engines

SRT's 2.4 L turbocharged I4 for the Neon SRT-4 had produced 215 hp (160 kW; 218 PS) in 2003 and 230 hp (172 kW; 233 PS) later in 2004 and 2005. Another 2.4 L I4 was made, but this time was based on the Chrysler World Engine, and was made for the Caliber SRT-4. That engine was rated at 285 hp (213 kW; 289 PS).

6-cylinder engines

The Crossfire SRT-6 never had a SRT-made engine, instead sourcing the M112k engines from Mercedes-Benz, (used in the Mercedes C32 AMG and SLK32 AMG), which produced 350 hp (261 kW; 355 PS).

8-cylinder engines

SRT has built four V8s, which it has applied to five vehicles: Chrysler 300, Dodge Challenger, Dodge Charger, Dodge Magnum, and Jeep Grand Cherokee. Their first V8 was a 6.1 L naturally aspirated Hemi V8 engine that made 425 hp (317 kW; 431 PS). However, the Jeep Grand Cherokee SRT-8 only had 420 hp (313 kW; 426 PS). Their second unit is a 6.4 L naturally aspirated Apache V8 engine that originally made 470 hp (350 kW; 477 PS) but was upgraded to produce 485 hp (362 kW; 492 PS) after 2014. SRT's most powerful variant is a 6.2 L supercharged V8, with two separate units used on the Hellcat and Demon models. The Hellcat's version makes 707 hp (527 kW; 717 PS) and the Demon's makes 808 hp (603 kW; 819 PS). On 100-octane fuel, though, the Demon's engine makes 840 hp (626 kW; 852 PS).

10-cylinder engines

SRT's 10-cylinder engines have only been used in two models, the Viper and the Ram 1500 SRT-10. The first versions, the 8.3 L naturally aspirated Viper V10 produced 500 hp (373 kW; 507 PS). The second version used a larger bore and stroked 8.4 L naturally aspirated Viper V10, which increased the output to 600 hp (447 kW; 608 PS). The last generation Viper used a brand new engine, but still kept the 8.4 L displacement. The engine produced 640 hp (477 kW; 649 PS), which then increased to 645 hp (481 kW; 654 PS) after the Dodge-SRT absorption.

See also

References
  1. Holderith, Peter (February 17, 2021). "Dodge: SRT 'Is Not Going Anywhere' Despite Reports". thedrive.com. Retrieved March 30, 2021.
  2. "The Origin Story Of The SRT Brand Revealed". HotCars. 2020-06-21. Archived from the original on 22 June 2022. Retrieved 2023-08-07.
  3. Stone, Matt (May 1, 2004). Viper. Motorbooks. p. 63. ISBN 0760317674.
  4. "2021 Dodge Challenger SRT Super Stock Runs 10.5 Bone Stock Right Off The Dealer's Lot!". Motor Trend. 25 November 2020. Retrieved 17 January 2023.
  5. "2005 Chrysler Crossfire SRT 6 1/4 mile Drag Racing trap speed 0–60". DragTimes.com. 16 September 2007. Retrieved 10 Sep 2012.
  6. Kleis, Mark (20 September 2010). "2011 Dodge Challenger's 6.4L HEMI cranks out 475 horsepower!". LeftLaneNews. MNM Media. Retrieved 10 Sep 2012.
  7. "First Impressions – Chrysler SRT Brand". MotorWeek. Retrieved 2015-05-22.
  8. "Jay Leno's Garage: 2013 SRT Viper GTS". Jay Leno's Garage. YouTube. 29 June 2012. Archived from the original on 2021-12-19. Retrieved 10 Sep 2012.
  9. "Chrysler Group Announces Leadership Changes". Chrysler Group. Retrieved 6 May 2014.
  10. Zhang, Ning (13 October 2012). "或将引入 道奇Charger国内申报图曝光" (in Chinese). Retrieved 22 May 2015.
  11. "Chrysler Group Announces Leadership Changes". Chrysler Group (Press release). 6 May 2014. Retrieved 22 May 2015.
  12. "Explore the New Jeep Grand Cherokee SRT - Jeep India". jeep-india.com. Retrieved 2019-11-11.
  13. Robinson, Aaron (December 2010). "2011 Dodge Challenger SRT8 392 – Short Take Road Test". Car and Driver. Retrieved 10 September 2012.
  14. Stone, Matt (10 August 2011). "2012 Dodge Charger SRT8 Full Test and Video". Edmunds Inside Line. Archived from the original on 3 December 2013. Retrieved 22 May 2015.
  15. Siler, Steve (January 2017). "2017 Jeep Grand Cherokee SRT". Car and Driver. Retrieved 15 January 2018.
  16. Sabatani, Jeff (December 2014). "2015 Challenger Hellcat First Look". Car and Driver. Retrieved 23 July 2015.
  17. Nunez, Alex (August 2014). "2015 Charger Hellcat First Look". Road and Track. Retrieved 23 July 2015.
  18. Collins, Andrew P. "The Hellcat-Powered 2018 Jeep Trackhawk Is Quicker 0-60 Than The Alfa Giulia". truckyeah.jalopnik.com. Retrieved 2017-07-27.
  19. Swan, Tony (December 2002). "Dodge Neon SRT-4 – Road Test". Car and Driver. Retrieved 14 September 2012.
  20. Webster, Larry (April 2004). "Dodge SRT-4 – Short Take Road Test". Car and Driver. Retrieved 14 September 2012.
  21. Jacobs, Scott (15 September 2009). "Full Test: 2008 Dodge Caliber SRT-4". Edmunds Inside Line. Retrieved 22 May 2015.
  22. Hoyer, Mark (24 February 2005). "Hot Sixes – Comparison Test – Where Chrysler takes on Porsche and Nissan...wait, did we say Chrysler?". Road & Track. Archived from the original on 26 October 2012. Retrieved 22 May 2015.
  23. Quiroga, Tony (June 2005). "Chrysler 300C SRT8 – In baseball talk, this car would be facing a senate subcommittee inquiry". Car and Driver. Retrieved 22 May 2015.
  24. DiPietro, John (19 October 2005). "Follow-Up Test: 2006 Dodge Magnum SRT-8". Edmunds Inside Line. Archived from the original on 3 January 2012. Retrieved 22 May 2015.
  25. Brauer, Karl (25 September 2005). "Follow-Up Test: 2006 Dodge Charger SRT-8". Edmunds Inside Line. Archived from the original on 3 January 2012. Retrieved 22 May 2015.
  26. DiPietro, John (9 December 2005). "Follow-Up Test: 2006 Jeep Grand Cherokee SRT8". Edmunds Inside Line. Archived from the original on 29 August 2012. Retrieved 22 May 2015.
  27. Kavanagh, Jason (6 August 2009). "Comparison Test: 2010 Camaro SS vs. 2009 Challenger SRT8 vs. 2010 Shelby GT500". Edmunds Inside Line. Retrieved 14 September 2012.
  28. Febbo, Michael (12 August 2011). "First Test: 2012 Jeep Grand Cherokee SRT8". Motor Trend. Retrieved 26 Jan 2018.
  29. Moody, Brian (12 May 2004). "2004 Super Truck Comparison Test: Dodge Ram SRT-10 vs. Ford F-150 SVT Lightning". Edmunds Inside Line. Retrieved 14 September 2012.
  30. "Chrysler 300C CRD SRT Design (2008) driven review".
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