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Which is faster?

The Porsche 991.2 GT3 RS and the Dodge Viper ACR Mk5 are evenly matched across 38 shared tracks.

Specifications

Specifications Porsche 991.2 GT3 RS 991.2 GT3 RS Dodge Viper ACR Mk5 Viper ACR Mk5
Model Years 2018-2019 2014-2017
horsepower 520 645
torque (N_M) 469 813
weight (KG) 1,430 1,530
Power to Weight 0.36 0.42
Rank #17 #18
Tire 80 PILOT SPORT CUP 2R
245/35/20 / 305/30/20
200 ECSTA V720 ACR
295/30/18
engine Description 4.0L NA flat-6, 9000 RPM redline 8.4L NA V10 (Viper Gen 5)
gearbox 7 SPEED PDK 6-SPD MAN W/OD TRANSMISSION
drive Type RWD RWD
wheelbase (MM) 2456 2510
width (MM) 1852 1941
length (MM) 4562 4463
height (MM) 1270 1247
0 - 60 MPH 3 SECs 3.4 SECs
top Speed (KPH) 311 285
price MSRP $ 188,550 $ 118,795
Current Value $ 240,000 $ 300,000
OVERALL VS AVERAGE LAP TIMES -7.87s -7.89s

Porsche 991.2 GT3 RS 991.2 GT3 RS — Lap Times vs Average

Treadwear/MOD LEVEL Stock/Light S/L Medium Med Heavy/Race H/R
>200 -6.03s -6.67s
141–200 -6.05s -6.67s -11.05s
100–140 -6.05s -6.71s -11.05s
0–99 -7.67s -8.73s -11.68s

Dodge Viper ACR Mk5 Viper ACR Mk5 — Lap Times vs Average

Treadwear/MOD LEVEL Stock/Light S/L Medium Med Heavy/Race H/R
>200 -9.27s
141–200 -10.96s -10.96s -10.96s
100–140 -10.96s -10.96s
0–99 -10.96s -10.96s

Additional Lap Times

Track Name 991.2 GT3 RS 991.2 GT… Viper ACR Mk5 Viper AC… Diff Mod Treadwear TW Video
Thunderhill (East 3 Mile w/ Bypass) 1:49.261 1:50.7 -1.43 Race / Stock 40 / 200 VS
Thunderhill (East 3 Mile w/ Cyclone) 1:54.8 1:52.1 +2.7 Light / Stock 80 / 200 VS
Circuit of the Americas - COTA (CCW) 2:16.9 2:13.42 +3.48 Med / Stock 40 / 1
Nürburgring (Nordschleife) 6:45.389 7:01.3 -15.91 Heavy / Stock 180 / 200 VS
Virginia International Raceway - VIR (Grand West Course) 2:41.6 2:40 +1.6 Stock / Race 80 / 200
Circuit de Spa-Francorchamps (SPA) 2:33.1 2:37.71 -4.61 Med / Light 80 / 40
Barber Motorsports Park (CW) 1:30.96 1:34.57 -3.61 Med / Stock 80 / 200 VS
Sonoma Raceway (Long Pre 2024) 1:44.8 1:38.3 +6.5 Light / Med 80 / 60
Road Atlanta (Current) 1:30 1:26.5 +3.5 Med / Race 40 / 200 VS
Sebring (CW) 2:07.55 2:11.24 -3.69 Race / Med VS
Watkins Glen International (Full Circuit w/ Loop) 1:56.955 1:56.15 +0.8 Light / Stock 80 / 200
Buttonwillow Raceway (13CW) 1:50 1:51 -1 Med / Med 100 / 40 VS
Road America (Pre 2023) 2:12.9 2:17.86 -4.96 Med / Stock 80 / 100
Virginia International Raceway - VIR (Full Course) 1:58.36 1:55.54 +2.82 Stock / Stock 80 / 200 VS
New York Safety Track NYST (CCW) 1:32.37 1:29.18 +3.19 Med / Stock 40 / 200 VS
Thunderhill (5 Mile w/Double Bypass) 3:01 3:01.8 -0.8 Stock / Stock 80 / 200
Donington Park Circuit (CW) 1:34.2 1:36.78 -2.58 Med / Light 80 / 40
Gotland Ring (Full Circuit GP) 3:04.83 3:11.16 -6.33 Race / Med 60 / 200
Laguna Seca (Pre 2023) 1:31.75 1:28.65 +3.1 Stock / Race 80 / 200
NCM Motorsports Park-National Corvette Museum (Mulsanne Chicane) 2:04.34 2:09.17 -4.83 Stock / Stock 80 / 100
Mid-Ohio Sports Car Course (Main Circuit with Chicane) 1:35.43 1:34.111 +1.31 Stock / Stock 80 / 200 VS
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