2018 Dodge Challenger SRT Demon
specifications

Specifications are based on the latest product information available at the time of publication. 
All dimensions are in inches (millimeters) unless otherwise noted. 
All dimensions measured at curb weight with standard tires and wheels.

General Information		
Body Style	Two-door coupe	
Assembly Plant	Brampton, Ontario, Canada	
EPA Vehicle Class	Intermediate car	
Introduction Date	Fourth quarter 2017 as a 2018 model	
		
Body and CHASSIS		
Layout	Longitudinal front engine, rear-wheel drive (RWD) 	
Construction	Unitized steel body	
		
ENGINE: SUPERCHARGED 6.2-LITER HEMI DEMON V-8	
Availability	Standard on Challenger SRT Demon 	
Type and Description	90-degree V-type, liquid-cooled	
Displacement	376 cu. in. (6,166 cu.cm)	
Bore x Stroke	4.09 x 3.58 (103.9 x 90.9)	
Valve System	Pushrod-operated overhead valve, 16 valves with sodium-filled exhausts 
and hollow stem intakes, 16 hydraulic roller lifters 	
Fuel Injection	Sequential, multiport, electronic, returnless	
Construction	Deep-skirt cast-iron block with cross-bolted main bearing caps, aluminum alloy heads with hemispherical combustion chambers	
Compression Ratio	9.5:1	
Power (SAE net)	840 bhp (626 kW) @ 6,300 rpm with Direct Connection Controller and unleaded 100 octane minimum fuel	
	808 bhp (603 kW) @ 6,300 rpm with Premium 91 octane fuel	
Torque (SAE net)	770 lb.-ft (1,044 N•m) @ 4,500 with Direct Connection Controller and unleaded 100 octane minimum fuel	
	717 lb.-ft (972 N•m) @ 4,500 with Premium 91 octane fuel	
Max. Engine Speed	6,500 rpm	

Fuel Requirement	Premium 91 octane (R+M)/2 — required
Direct Connection Performance Engine Controller: Unleaded 100 octane minimum (R+M)/2 — required	
Oil Capacity	7 quarts (6.6 liters)	
Factory Oil Fill	0W-40 Pennzoil Ultra™ synthetic	
Coolant Capacity	14 quarts (13.25 liters)	
Induction System	Combined air-flow rate of 1,150 CFM from:
•	Air-Grabber hood – 45.2 square inches
•	Air Catcher headlamp
•	Air box opening near wheel liner 	
Intercooler System	Separate low-temp cooling system with dual water-to-air intercoolers 
and a high-flow variable-speed electric water pump 	
	In Drag Mode: SRT Power Chiller™ liquid to air intercooler chiller system is activated and redirects air conditioning refrigerant to chill the intercooler coolant	
	When engine is shut down: radio-selectable After-Run Chiller system turns on radiator fan and intercooler water pump to reduce intercooler coolant temperature	
Emission Controls 	Dual close-coupled three-way catalytic converters heated wide range upstream and switching downstream O2 sensors (a)	
Exhaust Type	Dual 2.75-in. straight-though exhaust system with twin Electronic Exhaust Valves (EEV) with rectangular Black Vapor-chromed tips 	
Max. Gross Trailer Weight	Not rated for trailer-tow 	
EPA Fuel Economy mpg (city/hwy/cmb)	TBD 	

(a) Meets Federal Tier 2, Bin 5 emissions requirements; marketed in California as an LEV II (Low Emission Vehicle) 
under cleanest vehicle rules.	
		
TRANSMISSION: TORQUEFLITE 8HP90 EIGHT-SPEED AUTOMATIC	
Availability	Standard 	
Description	Adaptive electronic control with full manual control via gear selector or paddle shifters, with three SRT-unique selectable modes: Street, Sport and Drag (features TransBrake™, rev-matching, performance shifting and gear holding feature)	
Torque converter 	151k	
Gear Ratios		
1st	4.71	
2nd	3.14	
3rd	2.10	
4th	1.67	
5th	1.29	
6th	1.00	
7th	0.84	
8th 	0.67	
Reverse	3.32	
Final Drive Ratio	3.09 — Asymmetric-limited slip, performance-tuned 	
Overall Top Gear		2.07  		
	
Electrical System	
Alternator	220A  	
Battery	H7 Case, 730 CCA, maintenance-free	

Steering		
Type	Electric power steering (EPS), rack and pinion with multi-mode electric assist	
Overall Ratio	14.4:1 ratio	
Turning Diameter (curb-to-curb)	38.04 ft.	
Steering Turns (lock-to-lock)	2.56	
		
Suspension		
Front 	Independent SLA with high upper “A” arm, coil spring over gas-charged ADS Bilstein shock absorbers and 28 mm hollow stabilizer bar, lateral and diagonal lower links 	
Rear			Five-link independent with coil springs, link-type 19 mm hollow stabilizer bar, gas-charged ADS Bilstein shock absorbers and isolated suspension cradle, unique knuckle with reduced camber 	
SRT Demon-tuned three-mode ADS suspension 	Auto (Street) mode = compliant ride (Compression/rebound - front and rear: soft/soft) 	
	Sport mode = sporty ride and improved handling (front and rear: soft/firm)	
	Drag mode = maximum weight transfer (front: firm/soft and rear: firm/firm)	
		
Brakes		
Brembo High-performance Brake Package 	Standard 	
Front		
Rotor size and type	14.2 x 1.26 (360 x 32.0) 2-piece, vented and slotted	
Caliper size and type	1.73 (44) diameter Brembo four-piston fixed with aluminum housing	
Swept area	351 sq. in. (2,261 sq. cm)	
Rear		
Rotor size and type	13.8 x 1.10 (350 x 28) vented and slotted	
Caliper size and type	1.26 (32) diameter Brembo four-piston fixed with aluminum housing	
Swept area	316 sq. in. (2,036 sq. cm)	
Four-wheel Anti-lock Brake System (ABS) 
and Traction Control	Standard	
Electronic Stability Control (ESC) 
and Brake Assist	Standard	
Brake Knockback Mitigation	Standard	
Hill-start Assist (HSA)	Standard 	
Three (Street, Drag, Off) -position ESC/Traction Control Mode Selection	Standard	
Power-assist Type	8 + 9 (203 + 209) tandem-diaphragm vacuum booster	
		
DIMENSIONS AND CAPACITIES(b)	
Wheelbase	116.2 (2,950.4)	
Track, Front	65.8 (1,671.4)	
Track, Rear	65.7 (1,667.8)	
Overall Length	197.5 (5,015.6)	
Overall Width (with mirrors)	85.8 (2,178.7)	
Overall Width (without mirrors)	78.8 (2,001.5)	
Overall Height	57.4 (1,459)	
Ground Clearance	4.5 (113.5)	
Drag Coefficient	0.376 Cd	
Curb Weight 	4,280	
Weight Distribution, percent F/R	58/42	
Fuel Tank Capacity, gallons (liters)	18.5 (70.0)	
(c) All dimensions measured at curb weight with standard tires.	
	
Accommodations		
Seating Capacity — F/R	1/0 – standard	
	2/0 – optional 	
	2/3 – optional	
Front		
Headroom	39.3 (999)	
Legroom	42.0 (1,067)	
Shoulder Room	58.5 (1,485)	
Hip Room	55.3 (1,404)	
Seat Travel	Driver — 10.0 (255)	
	Passenger (optional) — 8.7 (220)	
Recliner Angle Range	Driver — 64 degrees	
	Passenger (optional) — 63 degrees	
SAE Front Volume Index	55.8 cu. ft. (1.58 cu. m)	
Rear (optional) 		
Headroom	37.1 (942)	
Legroom	33.1 (840)	
Knee Clearance	0.2 (4.4)	
Shoulder Room	53.9 (1,368)	
Hip Room	47.8 (1,215)	
SAE Rear Seat Volume Index	37.9 cu. ft. (1.07 cu. m)	
Total Interior Volume	93.9 cu. ft. (2.67 cu. m)	
SAE Cargo Volume (above spare tire well)	16.2 cu. ft. (0.459 cu. m)	
EPA Interior Volume Index	110.136 cu. ft. (3.12 cu. m)	
Trunk Lift-over Height	33.2 (845)	
		
TIRES		
Availability	Standard 	
Size and type	315/40R18 street-legal drag radials	
Mfr. and model	Demon-branded Nitto NT05R (exclusive tire construction and compound)	
Revs per mile (km)	742 (461)	
		
WHEELS		
Availability	Standard 	
Type and material	Lightweight aluminum 	
Size	18 in. x 11 in.