Ruf BTR2
{{Infobox automobile
| name = Ruf BTR2
| image = RUF BTR2.jpg
| caption = 1998 Ruf BTR2
| manufacturer = Ruf Automobile GmBH
| production = 1993–1998
(9-13 produced)
| class = Sports car (S)
| body_style = 2-door coupé
| related = Porsche 993
Ruf CTR2
| layout = Rear-engine, rear-wheel-drive
| engine = 3.6 L air-cooled, SOHC turbocharged flat-6
| transmission = 6-speed manual
| wheelbase =
| length =
| width =
| height =
| weight =
| predecessor = RUF BTR
| successor = RUF BTR III
}}
The Ruf BTR2 is a sports car produced by Ruf Automobile. Based on the Porsche 993 Carrera, it succeeded the original BTR. The BTR2 was among the fastest road cars of its time, attaining a top speed of {{cvt|308|kph|mph|0|abbr=on}}.
History
File:1995 RUF BTR2 (51430430739).jpg
The BTR2 began production in 1993, as a homage to the company's first production car, shortly after the Porsche 911 (993) started production. It preceded the introduction of the 993 generation of the 911 Turbo by 2 years, making it the first turbocharged 993 model ever produced.{{Cite web|url=http://www.curbsideclassic.com/curbside-classics-european/curbside-classic-ruf-btr-2-no-its-not-a-porsche/|title=Curbside Classic: 1995 Ruf BTR-2 – No, It's Not A Porsche.|website=www.curbsideclassic.com|date=9 December 2014 |language=en-US|access-date=2018-08-10}} The BTR2, based on the 911 Carrera, was only available with rear wheel drive, and featured a single turbo setup and narrow bodywork, while the 993 Turbo had an all wheel drive system, twin sequential turbochargers and wide bodywork.{{Cite web|url=https://www.goodingco.com/vehicle/1994-ruf-btr2/|title=1994 RUF BTR2|website=Gooding & Company|language=en|access-date=2018-08-10}}
Specifications
File:1995 RUF BTR2 (51430658005).jpg
The BTR2 is powered by a 3.6 L flat-six engine based on the unit in the 993 Carrera but upgraded with a single turbocharger running 11.6 psi of boost pressure, intercooler, modified camshafts, an auxiliary oil-cooler, a new exhaust system, lowered compression ratio (from 11.3:1 to 8.4:1) and a Bosch Motronic engine management system.{{Cite news|url=https://rufautomobiles.com/portfolio/btr2/|title=RUF BTR2 - RUF Automobiles {{!}} Parts, Powerkits, Upgrades, for Porsche Automobiles|work=RUF Automobiles {{!}} Parts, Powerkits, Upgrades, for Porsche Automobiles|access-date=2018-08-10|language=en-US}} These upgrades allowed the engine to generate {{Convert|420|PS|kW hp|0|abbr=on}} at 5,000 rpm and {{Convert|435|lbft|Nm|abbr=on}} of torque at 4,800 rpm.{{Cite news|url=https://www.automobilemag.com/news/watch-seven-reasons-why-the-ruf-btr2-is-better-than-a-stock-porsche-911/|title=WATCH: Seven Reasons Why the RUF BTR2 is Better Than a Stock Porsche 911 {{!}} Automobile Magazine|date=2018-06-01|work=Automobile Magazine|access-date=2018-08-10|language=en-US}} Other mechanical changes included a RUF 6-speed manual transmission, 30 mm lowered suspension, stiffer anti roll bars, limited-slip differential with 60 percent lockup and bigger brakes (320 mm front and 300 mm rear). The also featured 18 inch Ruf 5-spoke alloy wheels, special bucket seats, restyled bumpers and a fixed "whale tail" rear wing reminiscent to the one found on the Porsche 964 Turbo. The car could accelerate from {{cvt|0-62|mph|kph|0|abbr=on}} in 4.1 seconds and could attain a top speed of 191 mph (308 km/h). Automobile magazine Car & Driver tested a BTR2 and found the car capable of accelerating from 0–60 mph (97 km/h) in 3.7 seconds, 0–150 mph (241 km/h) in 26.2 seconds and completing the quarter-mile in 12.2 seconds at {{cvt|115|mph|kph|0|abbr=on}}.Car and Driver May 1997